Oleh: Ashadi Cahyadi;Muh. Aulia A;Pilar Pinael P

Abstraksi : Nickel ore processing plant PT. Vale Indonesia, Tbk require a consistent supply of ore to meet its production capacity. Consistency of supply of ore was strongly influenced by the ore mineralogy and chemistry of nickel laterite ore for extracting nickel from laterite ore using pyro metallurgical ...

Oleh: I Gde Sukadana;Heri Syaeful

Abstraksi : Mamuju is a Miocene volcanic complex and become the location of the exploration of radioactive and rare earth elements. These area composed by basaltic and volcanic rocks up to intermediate with ultra potassic and soshonitic afinity. Magmatism processes in this area is a multi-phase process, there ...

Oleh: Niniek Rina Herdianita;Netta Natasha

Abstraksi : The Eastern Banda Arc in Indonesia includes the East Nusa Tenggara, i.e. the islands of Flores, Lembata (Lomblen), Pantar and Alor. Geothermal resources of the Eastern Banda Arc are approximately 700 MW. In this paper, three geothermal fields, i.e. Wae Sano, Lesugolo at Flores Island and Atedai at ...

Oleh: Cindytami Rachmawati;Suryantini;Mirzam Abdurrahman

Abstraksi : Patuha Geothermal System is a volcanic hydrothermal system. In this type of system, the boundary of the system is often determined by low resistivity (<20 ohm.m) anomaly from Magnetotelluric (MT) or DC-Resistivity survey. Geological field mapping, volcanostratigraphy analysis and fluid chemistry of ...

Oleh: Adytya Tulus Rohmadi;Dwiyanto Joko Suprapto

Abstraksi : The hilly area of Semarang City, which is often called the Semarang Atas area, is a relatively prone area of land movement such as landslides. One of these landslide events occurred in Hole 7 area, west side of Gombel Golf Field, Tinjomoyo Village, Semarang City. As soil strength increases, the ...

Oleh: AAditya F. Hutama;Lutfy F. Firdaus;Fany Aditya;Ari Muladi

Abstraksi : Arun Field is a giant gas field in North Aceh, NAD Province, and has been in contributing LNG sales for Asian market since 1978. It is believed that the current gas recovery factor in the field has exceeded 95% and condensate recovery factor exceeded 85% from original hydrocarbon in place. The ...

Oleh: Rachmat Sule;Wawan Gunawan A. Kadir;Masami Hato;Toshifumi Matsuoka;Harris Prabowo;Indonesia - Japan research team members of Gundih CCS Pilot Project

Abstraksi : The Gundih gas field has been in operation since the end of 2013. The produced gas comes from three main geological structures: Kedung Tuban, Randu Blatung and Kedung Lusi, which collectively are expected to produce around 60 million standard cubic feet of gas per day over the next decade. The CO2 ...

Oleh: Pongga Wardaya;Duncan Witt

Abstraksi : Offshore oil spill is one of the most hazardous environmental disasters as the excess from oil and gas industry. Fighting the oil spill has always been challenging and difficult since the nature of sea current hampers to locate precisely their position throughout the time. In order to locate the ...

Oleh: Augustika Ratna Salsabil;Eka Cahya Putra Sukandar;Ferdion Firdaus

Abstraksi : Indonesia merupakan negara yang terletak dalam zona tektonik aktif. Data BMKG menyatakan bahwa setiap harinya, terjadi gempa di Indonesia. Namun, gempa tersebut tidak terjadi pada zona hening gempa. Zona hening gempa merupakan fenomena menarik untuk dikaji dikarenakan zona tersebut bukanlah zona ...

Oleh: Mirzam Abdurrachman;Emmy Suparka;Regina Chrysant;Heather Handley;Dida Patera Adli;Jananda Nuralam Indriyanto

Abstraksi : The contribution of subducted components (e.g. altered oceanic crust and subducted sediment), mantle wedge and arc lithosphere to the generation of island arc magmas in Java are controversial. Selected major and trace elements of Java Quaternary volcanic rocks are examined and compiled. We present ...

Oleh: Heryadi Rachmat;Achmad Djumarma Wirakusumah

Abstraksi : Rinjani Caldera is located at Lombok Island, West NusaTenggara. It has a caldera of 6 km x 7 km, as a result of a catastrophic eruption and a collapse caldera of the old Rinjani volcano in the 13th century. According to petrographic study, lava composition of post caldera formation ranging from ...

Oleh: Sugeng Pribadi;Akbar Ryan Setyahagi;Tatok Yatimantoro;Nanang T. Puspito

Abstraksi : The earthquake June 2, 1994 in Banyuwangi, Java with a magnitude of Mw 7.8 has generated tsunami in Malang as 4.3 m height of survey. The purpose of study is to assess potential tsunami due to seismicity in Malang and Banyuwangi in area of 5.0°S - 15.0°S and 108.0°E - 118.0°E. We use ...

Oleh: Firman Syaifuddin;Farid Hendra Pradana

Abstraksi : The Java subduction zone become one area of interest to be made the object of research, in particular with regard to the conditions of the seismicity. On 27 May 2006 has been an earthquake in Yogyakarta that is strong enough that with the strength of 5.9 on the Richter scale and originated in the ...

Oleh: Ma’ruf M. Mukti

Abstraksi : The Andaman – northern Sumatran forearc is an area where major structures meet: the northern extension of the Sumatran Fault (SF), the southern extension of the Sagaing Fault (SaF), and Spreading center in the Andaman Sea. Another fault zone that developed in this area is West Andaman Fault (WAF) ...

Oleh: Maria R.P. Sudibyo;K.I. Konstantinou;Agus Budi Santoso;I Gusti Made Agung Nandaka;Ade Anggraini;Wiwit Suryanto

Abstraksi : We report the dynamic characteristics of the seismic noise on Merapi volcano preceding the great eruption of October 26, 2010 by quantitatively measure their randomness. It has been reported that a reduction of noise randomness can be used as a short-term precursor to volcanic activity. In this ...

Oleh: Endra Gunawan;Irwan Meilano;Munawar Kholil;0;0;0

Abstraksi : We use Global Positioning System (GPS) data to analyze crustal deformation associated to the 2014 M7.1 Molucca Sea, West Halmahera, earthquake. This earthquake, hereinafter named as MOSEQ, occurred at 02:31 UTC, 15 November 2014 at a complex plate boundary in eastern Indonesia between North Maluku ...

Oleh: Nuraini Rahma Hanifa;Endra Gunawan;Irwan Meilano;Refi Rizqi Ramadian

Abstraksi : In the last decade, Indonesia through the Geospatial Information Agency has expanded Geodetic Network throughout the country, allowing a better understanding of crustal deformation and its source mechanism. GPS data has shown its capability to model the accumulated energy in the plate interface of ...

Oleh: Fachri Muhammad;I G.B. Eddy Sucipta;M. Galuh Sagara

Abstraksi : The peridotite body at Hili Manu, Timor Leste is a spinel lherzolite peridotite with mylonitic structures. The mineral assemblage consists of olivine, orthopyroxene, clinopyroxene, spinel, and a few of amphibole. There are two types of mylonitic structures: (1) ultramylonites, (2) mylonites, each ...

Oleh: Tommy Supratama;ReyhanNaufal Julias;Mohammad Arifin Sidiq;RoisheMiyafto Prabowo;Ahmad Syauqi Hidayatillah;Solideo Immanuel Martua

Abstraksi : Petroleum exploration in Southeast Java starts from well Alveolina-1 and Borealis-1. The petroleum play involving mixed volcaniclastic-calciclastic reservoir equivalent with Wonosari Formation. Seismic horizon beneath Southeast Java basin showing many structural feature with extensional regimes. ...

Oleh: Reyhan Naufal Julias;Yan Bachtiar Muslih;Gilang Agatra;Adi Nugraha;Topan Ramadhan;Salahuddin Husein

Abstraksi : Paleogene configuration of Kendeng Basin is key features for advance further exploration in this complexes geological history. Previous interpretation from geochemical data was interesting because made into 2 strucutral configuration possibility which consist of RMKS configuration and prolongation ...

Oleh: Rizky Dwi Renaldy;Muhammad Hanif Yasrullah;Edy Sutriyono

Abstraksi : Bengkulu Basin is one of the complex fore arc basin in Sumatra. The dynamism of Neogene tectonic event was studied in two Sub-basin which are Ipuh graben on the north and Kedurang graben on the south of basin. The study was intended to understand the tectonic activities in onshore Bengkulu Basin. ...

Oleh: Hendra Guna Wijaya;Drajat Ngadmanto;Ade Anggraini;Wiwit Suryanto

Abstraksi : Yogyakarta seismic station (YOGI) belong to the Indonesian Agency for Meteorological, Climatological and Geophysics located of about 23 km away from the M6.3 Yogyakarta earthquake epicenter occurred at May 27th, 2006, 05:53:58 UTC. The reported intensity of the earthquake in Yogyakarta area is ...

Oleh: Ardi Yoga Pradana;Yan Indriyanto;Adi Wibowo Johanes;Andi M. Adiwiarta

Abstraksi : Carbonate reservoir of Baturaja Formation (BRF) is main hydrocarbon reservoir in Sungai Kenawang (SKN) and PulauGading (PGD) Fields. In general, carbonate reservoir show heterogeneous porosity behavior due to influence of various secondary processes such as depositional facies and diagenesis. The ...

Oleh: Bhaskara Aji;Albert Julian Gurning;Iqbal Fardiansyah

Abstraksi : Delta Field is one of the largest steam floods operated by Chevron, where the “Romeo” reservoir is one of the main productive formations. Initial reservoir characterization utilized a simple model for defining the “Romeo” parasequence architecture by assuming the unit was a single ...

Oleh: Aswan;Nurcahyo Indro Basuki;Thaw Zin Oo

Abstraksi : Ichnofossils were examined on samples from two wells in the Bintuni Basin, West Papua, Indonesia. The samples are from Jurassic and Paleocene reservoir and source rock intervals, and known as the potential reservoir and source rock intervals in this area. Representative of 19 ichnogenera were ...

Oleh: Irwansyah;Panuju;Dedy Kurniadi;Yuliana Helmi

Abstraksi : This paper presents the Paleogene bioevents of the Pematang Group sediment in Central Sumatra Basin, based on the palynological, foraminiferal and nannofossil records obtained from wells data of exploration activity. The paleontological analysis applies the quantitave method which requires logging ...

Oleh: Barianto D.H.;Anggara F.;Husein S.;Pribadi T.A.;Ahmad M.

Abstraksi : The Gumay Mountains of South Sumatra Province on the eastern edge of Barisan Hills exposes Paleogenic rocks formation. Regionally, they are grouped as Kikim Formation characterized by its dominance of volcanic breccia and andesitic lava. In some places, could be found Cawang Member, composed of ...

Oleh: Farid Ferdian

Abstraksi : Eastern Sulawesi is one of the most puzzling geological province in Indonesia. It consists of at least 4 blocks: Banggai-Sula microcontinent, East Arm Sulawesi, SE Arm Sulawesi and Buton microcontinent. Several nonsedimentary rocks formations are widely spread throughout the area from metamorphic ...

Oleh: Ginanjar Rahmat

Abstraksi : Quantitatve biostratigraphy analysis using calcareous nannofossil and foraminifera were rely on Air Benakat Formation sediment samples. Those samples are taken from Well-M, Well-N and Well-O located at Tempino Field in Jambi Subbbasin. The age of analysed samples ranging from Early Miocene until ...

Oleh: Gilang C. Ramadhan;Yasinta D. Setiawati;Asep Ginanjar;Priantoro K. D. Setiawan;Prawoto I. Syuhada

Abstraksi : ONWJ is a mature oil and gas production block. It consists of more than 20 active fields that are produced from the Parigi, Main, Massive, Baturaja and Talang Akar Formation. The Main & Massive Formation is the main sandstone reservoir in ONWJ, and has an ancient sand ridge as a special ...

Oleh: Achmad Andi Kaswandi;Farid Ferdian;Diky Setiawan

Abstraksi : Arafura Platform has been postulated as a “stable” geological province in the highly active area of Eastern Indonesia. Paleozoic graben system developed in the center of this area. To the North, this platform overprinted by the South verging Central Papua Fold-thrust belt activity creating the ...

Oleh: Eko Budi Lelono;Dedi Kurniadi;Kristyarin Dwi Anggritya;Saidah

Abstraksi : This study follows up the previous research on Permian lacustrine sediment which was presented in the IAGI annual meeting by Lelono et al in 2016. It is intended to evaluate lacustrine sediments palynologically. The methodology includes surface sampling, laboratory preparation and microscopic ...

Oleh: Hanif Indra Wicaksana;Anis Kurniasih;Hadi Nugroho

Abstraksi : This research was conducted in two-separated section located in Gadu and Temengeng Village, Sambong District, Blora Regency to identify the ichnofossils in the area as a basic of depositional environment interpretation. Stratigraphic measurement was done in two-separated section. The observation ...

Oleh: Aiman Haidar Shamlan;Dadi Lestiyardi;Agus Guntoro;Ananto Wibisono;Rochmad;Aris Dwi Prihantono

Abstraksi : Salawati basin is well distinguished as one of prolific basins which formed several oil and gas fields. After more than 70 years from the first discovery, the hydrocarbon production is mainly targeted at tertiary reservoir levels, especially Miocene Carbonate Kais Formation. Meanwhile, Kais ...

Oleh: Darojatun Fakhrul Dzakirin;Putu Yoga Pratama;Waris Budi Raharjo;Rahmat Wijaya

Abstraksi : Senoro gas field with carbonate reservoir type of play, is located within Batui Thrust Belt. Tectonic activity in the Early Miocene was followed by the development of platform and reefal carbonate of Minahaki and Mantawa Formation. Two main carbonate facies had been recognized across the area, ...

Oleh: Darojatun Fakhrul Dzakirin;Putu Yoga Pratama;Waris Budi Raharjo;Sri Hartanto;Reza Armanda;Jaenudin

Abstraksi : In Indonesia and much of SE Asia, some of the largest and most prolific hydrocarbon reservoirs are derived from isolated, shallow-water Tertiary carbonate buildups, including Senoro field, the field of Central Sulawesi of Senoro-Toili block. The depositional history and controls on carbonate ...

Oleh: Mellinda Arisandy;I Wayan Darma

Abstraksi : Indonesia has around 60 Tertiary basins that spread from Sumatera in the west to Papua in the east, include Tertiary basins in western Indonesia and Mesozoic to Tertiary basins in eastern Indonesia that contain an estimated of 93 billion barrel oil equivalent discovered recoverable resources (IHS, ...

Oleh: Ery Arifullah;Yahdi Zaim;Aswan;Djuhaeni

Abstraksi : A large of ichnofabric variables (e.g. bioturbation index, ichnodiversity, ethology, penetration depth, and burrow diameter) from 381 ichnofabric units has been collected in Miocene deltaic setting in Lower Kutai Basin. The principal component analysis (PCA) was used to transform a large ...

Oleh: Hazred Umar Fathan;Santa Marchilya Tarigan;Edy Sutriyono;Arthur Tarigan

Abstraksi : The Neogene sedimentation within the North Bengkulu is the northern part of Bengkulu Basin was occurred transgressive towards regressive phase during Neogene graben system. Sedimentation ended on Plio-Pleistocene increased volcanic activity extend Bukit Barisan Orogeny and influenced by pyroclastic ...

Oleh: Reynara Davin Chen;Ardhy Pribadi Suriadi;Henrycus Nesha Ardenta;Fery Andika Cahyo;Rian Cahya Rohmana

Abstraksi : Deep-water deposits containing variety characteristics of reservoir potential followed by the texture, facies, and geometry. The variety of composition influenced by the materials from the volcanic arc in the center of Java Island that causing the forming of volcanogenic turbidite deposits. ...

Oleh: Ledi Priscila Anjani;Setyo Mardani;Kamil Ismail;Anis Kurniasih;Yoga Aribowo

Abstraksi : Study location is situated in Bintuni Basin, West Papua which has a distribution of the bottom of the Bird's Head and neck Bird's Head of Papua-New Guinea Island. Steenkool Formation silisiclastic sedimentary rock formation deposited during Late Miocene to Pleistocene. The study was conducted using ...

Oleh: Imam Setiaji Ronoatmojo;Grace Stephani Titaley;Ari Widianto;Welly Silvia;Amalia Nurani;Rischa Jayanti

Abstraksi : Empirical relation study between pore pressure and Pimpedance is required to model 1D pore pressure to be volumetric cube. Many studies were conducted to examine the relationship between pore pressure with seismic velocity such as done by Ugwu (2015) and Esmersoy et al (2012) however to the ...

Oleh: C. Maya Resha Tuhar;Endi Erfanto;Mohammad Risyad;Pande Putu Septiananda Ekaputri;Yan Wijaya;Totok Parafianto

Abstraksi : RenganCondong is a structural complex in Jambi Subbasin, South Sumatra Basin generated during inversion as result of initial Barisan uplift during late Miocene. The complex is in close proximity to Bajubang Deep, proven hydrocarbon kitchen. There are two orientations of faults, Northwest to ...

Oleh: Basuki Setiawan;Novy Hendri;Wahyu Triyoso

Abstraksi : Predicting the presence of overpressure in the subsurface can be performed using well or seismic data. A deviation of resistivity, density, porosity, and interval velocity value from the normal trend in the well data are the characteristics of the existence of overpressure. Interval velocity ...

Oleh: Okci Mardoli;Ignatius Sonny Winardhi;Ari Febriana Kabisat

Abstraksi : Wells in the study area have deviated wells with a large enough degree of deflection, thus allowing the risk of failure in a wellbore when entering shale formations dominated by the characteristics of overpressure. Once the drilling is done, the rock around the wellbore stress changes and chemical ...

Oleh: Aditya Lesmana;Awali Priyono

Abstraksi : Rayleigh waves are examples of surface waves that radiate along or near the earth's surface. In general this wave is considered as noise and must be eliminated, but in this study the wave is used for characterization of subsurface layer. The utilization is based on the surface wave propagation ...

Oleh: Muhamad Yanuar Mahardi;Setyo Sapto Edi;Basuki Setiawan;Muhammad Reza;Bayu Wisnubroto

Abstraksi : In addition to subsurface problems associated with well kick and losses, wellbore instability issues such as stuck pipe, sidetracking of wells and incomplete logging operations also contributed a big problem for any drilling activities in the Pertamina EP. To address these issues, Predrill Wellbore ...

Oleh: A. Aziz Permana;M. Zahri Firmansyah;Nurul Hikmah

Abstraksi : A mature gas field in South Sumatera Basin has been operating for more than five decades from productive zone at Baturaja Formation limestone with 420BSCF cumulative production and recovery factor at 84%. Grabens in study area construct the structural hydrocarbon traps which compartmented by normal ...

Oleh: Nur Alam;Alfian Bahar;Teguh Suroso;Muhamad Reza Noviardi;Widya Wisesa Pradipta

Abstraksi : Seismic data has a broad range of lateral area recorded in time domain. Generally the seismic interpretation is done in time domain. Doing stratigraphic interpretation in time domain is usually sufficient. On the other hand, doing structure interpretation in time domain has a higher risk of ...

Oleh: Tri Rani Puji Astuti;Udhi Catur Nugroho;Atriyon Julzarika

Abstraksi : Daerah Paningkaban dan Cihonje merupakan salah sati daerah tambang rakyat penghasil emas yang terbentuk pada sistem lingkungan pengendapan tipe epitermal sulfidasi rendah. Daerah paningkaban dan Cihonje terletak di Kecamatan Gumelar, Kabupaten Banyumas, Jawa Tengah. Ekspresi struktur geologi yang ...

Oleh: Sunaryo

Abstraksi : A study with entitled Earthquake Microzonation on Batubesi Dam of Nuha, East Luwu, South Sulawesi, Indonesia has been conducted. The study was conducted to obtain a map of Peak Ground Acceleration (PGA) based on the historical seismicity in Sorowako and surrounding areas, as well Seismic ...

Oleh: Mutiara Effendi;Antonius Ratdomopurbo;Ruly Setiawan;Dipowiguno;Arief Prabowo;Asep Rohiman

Abstraksi : The supereruption of volcanoes along The Great Sumatran Fault have been major intentions for researches in the past 30 years and the results have been reported in many publications: Toba (~800 ka and ~74 ka), Ranau (~550 ka) and Maninjau (~51 ka). However, there is a volcano in Jambi, known as Mt. ...

Oleh: Rochmad;Arieffian Eko K;Ananto Wibisono;Al Hafeez;Fitriyanda H;Rusalida Raguwanti

Abstraksi : Currently, The Miocene Kais reefal carbonates are the only producing reservoirs of the Salawati Basin. First oil discovery when the basin’s first well (Klamono-1) was drilled in 1936 on a surface anticline draping over reefal build up structure. Until now, more than 300 MMBO produced from Kais ...

Oleh: Al Hafeez;Kamal Harhara;Anggi Yusriani;Awang Harun Satyana;Andang Bachtiar;Avrami G

Abstraksi : One of an innovative ways of investigating and estimating the physical and fluid flow properties of porous rocks is by using digital rock analysis (DRA). The progress of DRA studies itself in Indonesia is very limited to date. Integrated core analysis workflows merge information from physical and ...

Oleh: Didit Putra Kusuma;Mohammad Reza;Andi Wasonoaji;Bertha Sondang M;Devialina P Dewi;0

Abstraksi : Kualitas reservoar merupakan salah satu parameter penting dalam perhitungan cadangan hidrokarbon serta penentuan strategi produksi pada lapangan migas. Salah satu faktor penyebab turunya kualitas reservoir yaitu jumlah dan jenis mineral lempung dalam reservoir tersebut. Perubahan kedalaman yang ...

Oleh: Humbang Purba;Pradityo Riyadi;Ricky A. Tampubolon;Bagus D. Prasetyo;Argya H. Basundara

Abstraksi : Sensitivity analysis is an important step to distinguish the lithology and fluids which presented in cross-plotting axis. It engages elastic parameters such as the P-impedance, S-impedance, Vp/Vs, and Lambda-Mu-Rho. Sometimes, it occurs overlapping and ambiguous between lithology and fluid ...

Oleh: Benyamin Sapiie;Indra Gunawan;Alfend Rudyawan;Astyka Pamumpuni;Agus Handoyo Harsolumakso;Chalid Idham Abdullah

Abstraksi : After more than 30 years exploring hydrocarbon potential at eastern Indonesia particularly Papua, Seram, Tanimbar and Timor Islands, we arrived to the conclusion concerning the best tectonic and paleography model for explaining geology development of the area. In the last ten years, more than ...

Oleh: Marwan;Muhammad Yanis;Muzakir Zainal;Nazli Ismail;0;0

Abstraksi : Very Low Frequency Resistivity (VLF-R) method is mostly for shallow subsurface structures investigation. The method uses electromagnetic wave with frequency range of 15-30 kHz. Freely and readily available primary field signals anywhere around the earth make the VLF method very convenient and ...

Oleh: Abian Adyasa Ananggadipa;Tutuka Ariadji;0;0;0;0

Abstraksi : Nutrient-based MEOR is a technology that utilized nutrients to increase oil production. The aims of this research are to incorporating laboratory results with simulation forecast; designing surface facilities and economic analysis of MEOR scenario for Plan of Further Development (POFD) in South ...

Oleh: Andrie Gelar Sukendar;Setyo Sapto Edi;Agung Adi Susanto;Wahyu Triyoso

Abstraksi : Accurate pore pressure prediction could prove pivotal, both to mitigate drilling hazard as well as to determine the geological condition in the prospective area. Pore pressure prediction can be calculated by several methodologies, and in certain condition, as in our study, can be obtained from ...

Oleh: Yoga Wismoyo;Nanang Yulianto;Oki Satriawan;Dismas Risona

Abstraksi : The Belimbing structure was located in Limau Block, South Sumatera Basin. Approximately 90 km’s from West Palembang South Sumatera. Belimbingstructure was generated from anticlinorium on Limau Block, South Sumatera Basin. It was formed because of tectonic activity cause uplifting of the edges of ...

Oleh: Bambang Avianthara;Erhan Anggarini

Abstraksi : In most shallow water environments, the variation in water depth from a few 10s of meters to several 100 meters poses a special challenge, conventional Surface Related Multiple Elimination (SRME) method alone has not provided a satisfactory solution for multiple elimination. This occur when shallow ...

Oleh: Tatang Juhatta,;Agus M. Ramdhan;Fatkhan

Abstraksi : Pore pressure prediction has important implications in determining the success of drilling activities. This paper discusses pore pressure prediction in the northern Bonaparte Basin using 3D seismic interval velocity and wireline log data. Eaton method is used for pore pressure prediction, ...

Oleh: Agus Pajrin Jaman;Satriya Alrizki;Yusuf Darnanto

Abstraksi : In 2014 Geological activity of West Java Pongkor identified vuggy-massive silica / quartz and acid clay in Gunung Dahu, Pongkor,West java. This is an evolving system of High Sulfide Epithermal (HSE) which is different from Pongkor's prospect system. Massive-vuggy silica floats are encountered along ...

Oleh: Husein Asy’ari;Agung Adi Susanto;Hendro Laksono;Alpius D Guntara

Abstraksi : The processing challenges at sub-volcanic area is low signal to noise ratio, exclusively at far offset receiver caused by the geometry spreading, near surface random noise and absorption. We used vibroseis moving along main street and produce as 2D seismic line through near surface volcanic rock. ...

Oleh: Khadafi;S. R. Murjianto;A. Akbar;A. Nugraha;G. Fauzi

Abstraksi : Several production field and potential area in West Madura Offshore WMO PSC lies on JS-1 Ridge basement high. JS-1 Ridge is one of few Pre-Tertiary horst of "segmented basement" in North East Java Sea Basin (NEJB). The ridge is bounded to the Northwest by East Bawean Trough and to the Southeast by ...

Oleh: Agung Adi Susanto,;Suherman,;Ahmad Zazeli Fuadi,;Bambang Mujihardi,;Rangga Perdana Putra,;Teguh Suroso,

Abstraksi : Accurate subsurface imaging is of paramount importance in Hydrocarbon exploration and production activity. At present, seismic method is one of the most reliable method for subsurface imaging. But some seismic data has poor quality and do not image the subsurface conditions clearly. The LS ...

Oleh: Nurhasan

Abstraksi : The study area is located in East Java Basin and targets the Pliocene Globigerina Bioclastic Limestone reservoir interval of the Mundu formation. Most of the discoveries in this interval are supported by the appearance of seismic direct hydrocarbon indicators (SDHI), or flat spots, over simple ...

Oleh: Edin Syaripudin;Benyamin Sapiie;Indra Gunawan;Dhanny Triamindo;Bagus Wanmasri;Ferdy, Exploration

Abstraksi : Fault characterization, which is the major focus in the research, is fault character in terms of its ability to transmit fluid from the reservoir in one compartment to another compartment within the field K Area SS2, Central Sumatra Basin. Detailed evaluation of the fault character in this area can ...

Oleh: Muhammad Rizky Harun;Rifky Tri Putra;Benny Nugroho Ardhiansyah

Abstraksi : Warukin Field, located at Barito Basin, South Borneo is one of the prolific oil fields that operated from late 1965, producing from Middle Warukin Formation. The reservoir itself, is typical fluvial deltaic sandstones. The first discovery of this field is from exploration well that drilled at W-1 ...

Oleh: Normansyah

Abstraksi : Case of this study is carbonate at Parigi Formation in SP field, a new gas discovery field at North West Java basin. Sparse data distribution will affect high uncertainty in modeling while SP field has only one well. Therefore, high density data from 3D seismic is needed to obtain control data for ...

Oleh: Permana Citra Adi;Agnes Sulistya Ningrum;Anton Darmawan

Abstraksi : Kuang High as fabrication area for limestone development of Baturaja Formation is acknowledged as a productive hydrocarbon reservoir, either as reefal or platform carbonate. Major Fields such as Pagardewa, Kuang, Merbau, Tasim, Prabumenang, Pemaat, Beringin and, to great extent, Air Serdang ...

Oleh: Riky H.B Pandit;Risdi M Zainal;Isnaini Rahman;Abdul Haris

Abstraksi : North East Java Basin can be classified as a mature basin that produces hydrocarbon in Indonesia. Almost all of the formations are proven in containing oil or gas. From Eocene, Oligocene, through Pliocene, from Ngimbang, Kujung, Ngrayong, Wonocolo, and KawenganFormation has a potential to produce ...

Oleh: Aurora Juniarti;Andika Widyasari;Luqman

Abstraksi : In low oil prices situation, exploration and development strategy is charged to optimize the existing oil fields and look for prospects nearby the facilities. Studies were performed at some marginal oil fields to optimize production costs. Field A and B are located in close proximity to each other ...

Oleh: Arief Prabowo;Hanang Samodra;Sam Permanadewi;A. Ratdomopurbo

Abstraksi : Waigeo Island area situated in the Bird's Head Peninsula, the convergent zone of oblique subduction two plates mentioned as Pacific plate and Australian plate, is part of the Raja Ampat Regency, West Papua. Geologically, the area consist of the basement ophiolite-ultramafic rocks overlain by ...

Oleh: Alpius Dwi Guntara,;GinanjarSatria Putra;Ingrid Puspita

Abstraksi : Indonesia has a lot of oil and gas basins and one of them is the northwest Java basin with an area from Java Sea on the northern boundary to the western Java mountains on the south boundary. Seismic survey near by the volcano area experienced severe enough challenges, from varies of the topography ...

Oleh: Andri Eko Ari Wibowo;Niniek Rina Herdianita

Abstraksi : Thirty two, mostly non-volcanic, geothermal systems in Sulawesi were investigated to understand characteristics of water chemistry, including stable isotopes ?18O and ?D of discharge surface manifestations. Knowing the chemistry of thermal water at the surface, subsurface reservoir condition can ...

Oleh: Deni Hernandi;Prakasa Ardiyanto;Muammar Hakim;Irfan Hidayat;Moch. Erwin Syam Noor

Abstraksi : As part PT. Vale Indonesia Tbk. mining support on short term mining block model data, subsequent geophysical ERT (Electrical Resistivity Tomography) used on comprehensive study to recognized realistic there dimensional (3D) triangulation shape Ni laterite model of geology as a proto type reference ...

Oleh: Slamet Pujiono;Karwin

Abstraksi : Complex velocity models characterized by strong lateral variations are certainly a great motivation, but also a great challenge, for depth imaging/PSDM (Pre Stack Depth Migration). Areas that have overburden complexes may cause multiple raypath conflicts, causing Kirchhoff's migration method to be ...

Oleh: Aji Rahmat Ginanjar;Arrie Kurniawan;M. Taslim,PT;Andreas Wasi Kuncoro;Fitriani Indah Pratiwi;Oddy Pranidhana,

Abstraksi : Eocence Jatibarang Formation consist of volcanic lithology; it has been an interesting study on this area since the primary reservoir is volcanic rock. The volcanic reservoir is a type of unconventional reservoir with the volcanic rock as the reservoir bed. Successful identification of volcanic ...

Oleh: Nahrowi;Scenda Bernados Purba;Yarris Ibdian Cakra Putra

Abstraksi : Penggunaan jaringan kabel dalam operasi akuisisi seismik berdampak pada besarnya jumlah tenaga kerja, tingginya down-time akibat terputusnya komunikasi data saat perekaman, dan besarnya biaya yang diperlukan untuk mobilisasi, penyimpanan, perbaikan, dan khususnya pembentangan peralatan di lapangan. ...

Oleh: Julikah;Bagus Endar B. Nurhandoko;Awali Priyono;Ign. Sonny Winardhie;Mahatman Listyobudi

Abstraksi : Penelitian ini menekankan bagaimana mengkarakterisasi tipe serpih melalui diskriminasi mineral lempung yang ada dengan menggunakan parameter-parameter elastik. Karakterisasi serpih sangat penting karena bermanfaat untuk mengidentifikasi tingkat kegetasan batuan, untuk mendesain drilling dan untuk ...

Oleh: Indi Amrullah;Yosa Al Mizani;Yatty Surtiati

Abstraksi : S1AP Area is one of the exploration areas owned by Pertamina EP in Jambi Subbasin, with the YAM-Deep in the nort and the IAM High in the eastern part of Tempino – Kenali Asam Deep. Exploration wells have been drilled in both features. Drilling results establish the presence of an overpressure ...

Oleh: Cahli Suhendi,;David P.Sahara,;Fatkhan,;R. Mohammad Rachmat Sule

Abstraksi : Injection CO2 into subsurface formation changes in-situ pore pressure and temperature which in turn alters the stress condition of reservoir. This perturbation could be modeled in term of the effective stress under poroelastic assumption. Prior to injection implementation, a study of the injection ...

Oleh: Yustina Imaluqman Dahlan;Fadly Utama;Danar Yudhatama;Yusnita Yunus;Erwin Muhamad Indra Kusumah

Abstraksi : Medco’s Blocks are located in the middle of South Sumatra Basin, with production coming from the Miocene carbonates of Baturaja Fm., the Oligocene to Lower Miocene TalangAkar Fm., and the Pre-Tertiary Basement plays. Although these plays are already over-explored, they still offer some remaining ...

Oleh: Muhammad Fahmi;Takeshi Kozawa;Humbang Purba;Junita Trivianty

Abstraksi : Indonesia has a lot of hydrocarbon potential in the volcanic areas. The biggest challenge of exploration hydrocarbon potential in the volcanic areas is subsurface structural imaging. One tool that can be used to improve the multi-dip structural imaging in the volcanic area during seismic data ...

Oleh: Alfian Bahar;Rachmat Sule;Awali Priyono;Masami Hato,;Takeshi Kozaa;Alphius G. Guntara

Abstraksi : Gundih CCS Pilot Project will enter the new phase of implementation in 2019. Monitoring of CO2-injection must be planned carefully before CO2-injection is started. One of proposed monitoring method is time-lapse reflection seismic survey in the vicinity of Jepon-1 well, i.e. the candidate of well ...

Oleh: Muhamamd Husni Mubarak Lubis

Abstraksi : Three-dimensional Vertical Seismic Profile (3D VSP) survey generally provides a higher resolution image of the reservoir around the wellbore. This is because the receiver array is placed closer to the zone of interest and the seismic signal is recorded in a quieter environment which resulted in ...

Oleh: Nadia Putri Ariani,;Akmaluddin;Wartono Rahardjo

Abstraksi : Parts of Sentolo Formation outcrops are exposed at the Jurang-Banjarharjo and Kalibawang areas respectively. The study was conducted by collecting data from measured stratigraphic sections, age determination, reconstruction paleoclimatic change based on smaller foraminiferal fossils. The results ...

Oleh: Tri Wulan Sari;Abdul Haris;Leonard Lisapaly;Rosi Andi Saputro

Abstraksi : Reservoir distribution analysis of thin layered sandstoneout of existing seismic interpretation, has been succesfully carried out by using Red Green Blue (RGB) Blending method of Spectral Decomposition in SA Field, West Natuna Basin, Riau Islands. Main focus of this research is stratigraphic traps ...

Oleh: Iwan Fahlevi Setiawan;Aperta Ledy Alam

Abstraksi : Kondisi air tanah di Indonesia yang mempunyai 396 Cekungan Air Tanah (CAT) yang tersebar di sejumlah pulau dan diperkirakan mempunyai potensi 638 miliar m3/tahun (Danaryanto, et al., 2004 : 32) membutuhkan pengelolaan sumber daya air tanah yang benar, baik, efisien, dan terpadu. Kondisi CAT ...

Oleh: Nana Sulaksana;Agung Mulyo;Aton Patonah;Raden Irvan Sophian;Murni Sulastri;Alifahmi

Abstraksi : Pangandaran is a region emerging from the aspect of industrial tourism, education and agriculture, but also an area that belongs to the regions lagging behind in infrastructure and economic development. Pangandaran has a great potential for development, because it is on the coastal area, so ...

Oleh: Sriwidada;Bimo Wicaksono;Arya Ardita Kurnia

Abstraksi : Rock mass classification system of rock distance and the direction of the thick field is one of the parameters to determine the quality of rock and rock mass strength. The result of the research based on face mapping measurement on rock mass in the underground mine shows that the measurement of ...

Oleh: Anis Kurniasih;Jenian Marin;Qisthon Arofah;Henarno Pudjihardjo;Sudaryo Broto

Abstraksi : Groundwater chemistry is greatly influenced by lithology. In karst aquifer, it becomes an important aspect since limestone as common lithology is easily dissolved by water. This study is intended in determining the quality of groundwater from karst area using water chemistry analysis. This research ...

Oleh: Dwiyanto JS;Fatma Wulandari;Danusaputro H

Abstraksi : Nawangan dam that located in Wonogiri district is type of landfill dam. This type of dam often has problems such as seepage or landslide due to high pore water pressure. To maintain the condition of the dam in a safe state needs to be carried out maintenance and monitoring periodically.Monitoring ...

Oleh: Praditya Ardhiwisesa;Fandi Oktiawan

Abstraksi : Landslide and slope instability is one of the main potential hazards that can occur in mining activities. Based on these risks, geotechnical management system is designed to overcome these issues, and also become preventive action to reduce potential geotechnical risk. Due to slope design ...

Oleh: Candra Sugama;Imam M. Purnama

Abstraksi : Clean water is one of human basic needs that certainly influence the life quality. Nevertheless, some areas around the globe are still suffering to access it. Even though, there are many clean water sources, the ground water is still the most favorable option for daily consumption since generally ...

Oleh: Agus Marwanto;Imam Achmad Sadisun;Muhammad Asrurifak;Misbahudin

Abstraksi : Based on the earthquake hazard map published by the Ministry of Public Works in 2010, the hazard potential of earthquake in Jakarta is quite high. Therefore, the government needs to prepare a mitigation strategy to minimize the risk of earthquakes. Among the forms of these strategies are generate ...

Oleh: R. Ginanjar;Ranggawuni;Candra;A. Hamdani;U. Ihsan,;M. Abdurrachman

Abstraksi : Gunung Karang area have a good potential as resource for construction materials, it is based on the existence of andesitic intrusion. There are total 7 samples taken from coring and surfaces. Total depth of drilling from two well is 40m, consist of andesite intrusion and xenolith on the bottom of ...

Oleh: Aradea R. Hakim;Muchamad Al Azhar;Rima Rachmayani

Abstraksi : Offshore operations and ocean navigations are subject to marine weather and climate. Prior knowledge of these conditions are crucial for safety and economic reasons in planning and managing such activities. In order satisfy these needs, we are developing multi-scale ocean forecast system in the ...

Oleh: Riyan R. Fauzi;R. Irvan Sophian;Hendarmawan;Dicky Muslim

Abstraksi : Jatinangor is the biggest education area in West Java, Indonesia. More than 500.000 students and 98.000 local people stay in this area. It also implies the development of many infrastructures to support the educational activities. To avoid the occurrence of problematic soils such as a swelling ...

Oleh: Wisnu Anugrah Pratama;Irvan Febyanto;Gusti Putra Tulak

Abstraksi : Groundwater occurrence always controlled by its regional lithological characters. Aquifer type of Cigugur, Langkaplancar, and Parigi area is unconfined aquifer with sedimentary rock and alluvial deposit aquifer system, where whole rock units in this area are the aquifer. Flow line analysis shows ...

Oleh: Prasandi Abdul Aziz;Tutuka Ariadji

Abstraksi : To maximize a horizontal well production, we need to determine the optimum direction and horizontal well length that maximizes the gas field recovery for a certain constant flow rate called by plateau rate. This problem is conventionally solved by using a reservoir simulation model and trial and ...

Oleh: Suryo Adi Putranto;Suhendro

Abstraksi : Pressure transient analysis (PTA) is solid analysis tool to decrypt the reservoir properties surrounding the well. Effective permeability, skin and average reservoir pressure can be extracted from proper well test and good evaluation techniques. In addition, pressure’s response can bring up the ...

Oleh: Suhendro;Suryo Adi Putranto

Abstraksi : Pressure transient analysis (PTA) was done for extension flow periods (drawdown) and buildup of well testing. It is then compared between the two to check from which the best reservoir properties and parameters should be acquired. Due to heterogeneity in carbonate reservoir, additional data from ...

Oleh: Frans Mulders;Khadafi;Arya Nugraha;Djoko Rubyanto;Ariel Olaf Mawira;Rick Lemanczyk

Abstraksi : The drilling of wells offshore West Madura, East Java, can be challenging. The geological structure of the area often requires drilling at high deviations with large stepouts, through formations consisting of carbonates, shales and sands. As a result, wellbore stability issues are frequently ...

Oleh: Kamal Hamzah;Noke Fajar Prakoso;Mirza Azhari;Achmad Yaser;Dian Prasetyaningrum

Abstraksi : Hydraulic fracturing jobs have been widely and successfully implemented in Kaji-Semoga (KS) field to stimulate Tight Sandstone Formation. Job series of hydraulic fracturing is consisted of 2 (two) major treatment, pre-fracturing injection treatment and main fracturing treatment. Pre-fracturing ...

Oleh: Wintang Haryokusuma;Tutuka Ariadji

Abstraksi : Further research and observation is necessary to understand the mechanism of fluid under vibrating stimulation, particularly at low permeability type of reservoir. Macroscopic approach can be used as a mathematical study to explain the behavior of fluid under vibrating stimulation. By applying ...

Oleh: Roy Arthur Sitorus;Achmad Mansur;Zahazny Rahamanda;Ichromi Zamzam

Abstraksi : There comes a point in the life of the well when artificial lift technologies become a necessity due to lack of required natural energy from reservoir to sustain production targets. Electrical Submersible Pump (ESP) is one such technology and is quite often commonly considered to be an optimum ...

Oleh: Muhammad Afif Ikhsani;Ade Fadli;Alif Kurniaputera Artanto;Muhamad Irfan;Asep Ricky Saputra

Abstraksi : By the time a gas field development entering ‘twilight’ period, liquid loading prevalence is occurred more frequently and negatively impacted gas production. Since the decrease of intrinsic energy from the reservoir is imminent, the gas well at some point will lose its capability to lift the ...

Oleh: Yudi Rahman;Agung Wiyono;Irma Hesty Widyastini;Reza Vitali

Abstraksi : In 2016, Collaboration between PT CPI with Service Company was conducted to assess the possibility of performing hydraulic fracturing treatments to improve well productivity in the alpha and beta reservoir. Three wells were selected to be hydraulically fractured as a pilot program with a plan to ...

Oleh: Ridwan KD;Andi F;Guntur M;Fanoppo;Chaidir A;Niken EF

Abstraksi : Deltaic sequence in Tarakan Basin is dominated by sand fluvial channel which mainly consist of unconsolidated sandstone from shallow to medium prospect zone (400 m to 1400 m). This unconsolidated formation is characterized by drawdown pressure caused by sand failure in the perforation area. This ...

Oleh: Julius Sunarta;Dwandari Ralanarko;Heri Gunawan;Su Chonghua;Mulyo Hadisantoso

Abstraksi : The Intan Field is a Northeast-Southwest trending, faulted, anticlinal feature located on the northwest flank of the Asri Basin. This field was discovered in 1987, from Intan-1 exploration well. Two structural lobes with different oil water contact have been identified in this area. Most of the oil ...

Oleh: Andy Try Soesilo;Nayung Galih Proboseno;Gurmilang Adhika;Brian Karnanto Putro;Trianto A. Gunadi

Abstraksi : Nowadays hydraulic fracturing is one of the common stimulation methods used to increase the production of wells through increasing reservoir conductivity and reducing skin factor. But several wells has been performed by hydraulic fracturing job in PT Pertamina EP oilfield does not imply a good ...

Oleh: Lucky Bagus Waskito;Julius Sunarta;Reza Widiatmo;Su Chonghua;Mulyo Hadisantoso

Abstraksi : This paper presents the evaluation of Northeast Intan field after 27 years of production, and challenges in reestimating the oil reserves. At initial stages of development, estimating reserves are constrained to limitation of available data, however in mature condition lots of data are available, ...

Oleh: Juliata Parlindungan Panjaitan

Abstraksi : Rock typing and permeability prediction has significant role to predict reservoir performance. RCAL and SCAL are the input for rock typing. Core plug testing with adjusted NOB from reservoir condition are needed to get rock type’s result correct. Based on data calculation, NOB 910 psi is the ...

Oleh: Benedicta Nanda Kusuma Pratiwi

Abstraksi : Material balance simulation is performed to determine original fluids-in-place based on static pressure and production data. Self-developed software will provide alternatives and substitution of tools for simulation of material balance and furthermore customization and database integration. ...

Oleh: Heru Prasetio;Danang Sismartono;Wanda Ali Akbar;Ika Kaifiah

Abstraksi : The initial investment cost required to build a gas flaring gas utilization facility of associated gas in the NKL field is USD 8.634 million. As much as 89% of the initial investment cost is the cost of equipment investment, while the remaining 11% is working capital. The annual operating costs ...

Oleh: Sumarna Sofyan;;Sarwono ArdhitoWirawan;Sallami Puja Fahddian;Giansyah M. Zuly;Heri Suryadi;Danto Prihandono

Abstraksi : X structure is one of the 6 structures under R Field which producing from 2 main formations : Batu Raja Formation (BRF) and TalangAkar Formation (TAF) within 28 years. Within its production time, hydrocarbon potentials in Telisa sand were identified. Telisa sand contained high volume of shale ...

Oleh: Saifudin Zuhri;Wiratno S. Adi;A. Fajrin K. Wijaya;Rai Satria N;Hadi Akmalunas;Ari Hidayat

Abstraksi : Salawati Field was discovered in 1974 by Phillips Petroleum that had been an operator until 1984, then operated by Pertamina in 1984 – 1995 and by TAC Intermega in 1995 – 2015. On January 9, 2015 Salawati Field was returned to Pertamina with initial production of 100 BOPD. Pertamina planned to ...

Oleh: Muhammad Rasyid Ridlah;Mohd Hafez;Priantoro Kartika Dani Setiawan;Lambertus Fransisco;Deni Wahyuad;Arif Rackmawan

Abstraksi : The idea of an integrated development was triggered by the results of individual development plan studies of the MJ and MX fields, which showed pessimistic outcomes due to limited volumes of resources, distances from existing facilities, high total CAPEX, low oil prices and characteristics of the ...

Oleh: Falza Izza Wihdany

Abstraksi : Rock wettability is a property affecting capillary pressure, relative permeability, electrical properties, the performance of water production, waterflood, and enhanced oil recovery. Wettability of a core sample is usually measured in the laboratory. But unfortunately, the process of transferring ...

Oleh: F. I. Purba;, E. D. Dusyanto;A. W. Bachtiar;L. Mucharam;T. Marhaendrajana;B. Swades

Abstraksi : Currently, Tanjung Field Zone-C, Indonesia has been proposed for polymer flooding implementation. The critical step in designing polymer flooding is to determine the optimum mobility-ratio, which leads to polymer concentration. It can be achieved by optimizing viscosity of the polymer at ...

Oleh: W.A. di Nugroho;M. Sumantri;S. Hermawan

Abstraksi : Underbalance drilling is a common application in highly fractured and subnormal pressured formation. Technical reasons such as reservoir damage, drilling in depleted zone and hard drilling lead to more economic value in drilling operation. There are several ways to achieve underbalanced well ...

Oleh: Devi Putra;Zainudin Salman;Mahendra Wijaya;Pranefo Maaruf

Abstraksi : In the drilling of geothermal wells in the PT Pertamina Geothermal Energy (PGE) fields, almost always found fracture zones that can cause the problem of lost of circulation if using water-based mud. The lost of circulation is a common problem observed in geothermal drilling around the world, such ...

Oleh: Farid Ghozali,;Tejo Sukotrihadiyono;Agus Aryanto;Candra Kurniawana.;Dedi Miswar, PT Medco E&P Indonesia.

Abstraksi : Workover campaign have been conducted in X and Y field in the past few years; the result showed good hydrocarbon potential in sandstone formation but indicated low productivity and become uneconomic to be produced. Well stimulation was then assessed to improve the productivity. Hydraulic ...

Oleh: Imam Fathoni Rasyid,;Fakhrial Anas;Eddy Yurzal Yusuf;Nana Heriana

Abstraksi : BTG field is one of the heavy oil field in Central Sumatra Basin, located arround 40 km northwest of Duri steamflood field, Indonesia. The field was firstly discovered in September 1975 and found oil in Duri and Bekasap formations. BTG field was structurally compartementalized and heavily faulted. ...

Oleh: Mohammad Wildan Alfian;Sakti Parsaulian;Unggul Setiadi N.;Deded Abdul Rohman;Aidil Adham;M. Arham Nur

Abstraksi : Well testing is one of the methods to analyze reservoir productivity and deliverability. One of the most important products of the analysis is skin factor. Skin factor is not only derived from formation damage caused by invasion of mud or cement to formation, but also can be affected by partial ...

Oleh: Baskoro Herlambang;Tulus Wibisono;Fitriyadi Rahmat;Eddy Himawan;Tri Atmojo P.

Abstraksi : South Sembakung field was discovered in 1977, located in North Kalimantan, Indonesia. The field has good quality gas reservoir consist of multiple layers of sand in shallow formation namely Santul, Tabul and Meliat formation. The reservoir has discontinuous lenses which is a hallmark of deltaic ...

Oleh: Mudrik R. Daryono;Danny Hilman Natawidjaja;Benyamin Sapiie;Sri Hidayati;Supartoyo;Ahmad Solikhin

Abstraksi : Lembang Fault stretches in Bandung area, which is a major economic center in West Java. The fault has obvious evidence of linear valley, fault scarp, shutter ridge, river offset, beheaded river, and the result which were described in detail for every kilometer notation. This 29 km long fault zone ...

Oleh: Gunawan Nurcahyo Wibowo;Abdul Rachim Winata;Budi santoso

Abstraksi : Alpha well is exploration gas well where located in syn-rift formation on Sumatra Area, Indonesia. DST data interpretation shows this gas layer is Limited Boundary Reservoir with an average production of 8 MMSCFD and IGIP 0149 bcf. To prove the results of interpretation, performed workover activity ...

Oleh: Harry Budiharjo;Handika A. Nugroho;Benny A. Saputra

Abstraksi : Waterflooding is one of the improve oil recovery method that is injecting water to the reservoir through the injection well in purpose to push the oil out to the production well and increase the oil recovery. But because of the rock porosity and permeability heterogeneity of the reservoir make the ...

Oleh: Aris Endartyanto;Abdurahman;Grace Stephany T.;Imam Setiaji Ronoatmojo

Abstraksi : Faults can be act as a transmitter of or barrier to fluid flow and pressure communication. Modern fault-seal analysis methods utilize seismic data, structural and microstructural information from high resolution core analysis, and wellbore and production data to predict fault behaviour and to ...

Oleh: Wahyu Dwijo Santoso;Nicodemus Rimba Raya;Litto Habrianta Tarigan

Abstraksi : Sawah Tambang Formation is one of the low permeability problems within its hydrocarbon discovery. Well perforation of Sinamar-1 well confirmed 13.5 MMCFD (40%CO2) and 314BCPD (60 API) from interval 5040 – 5050 ft MD. To evaluate the reservoir characteristics of low permeability reservoir of ...

Oleh: Ongki Ari Prayoga;Julian Itanyo Swandi;Desy Ayu Alvrida;Purwoko;Johan Edwart L. Hutabarat;Munif Nur Faizin

Abstraksi : Indonesia especially in Java island is an area that has long history of volcanisme activity from pre-tertiary to quarternary volcano. That affected mostly of sedimentary rock in Java is derived from volcanic material. The Miocene Sambipitu volcaniclastic is one of the formation in Java that consist ...

Oleh: Fauzan Arif;Chris Kenyon

Abstraksi : The Lama Play is the oldest and least explored play in the West Natuna area. The Lama Formation is an early syn-rift deposit consisting of clastics deposited primarily in a fluvio-lacustrine environment.Since the 1970s the main exploration target in this basin has been inversion ...

Oleh: Asep Samsul Arifin,;Akfil Fakhr;Rangga P Putra;Soffan M.H;Nur Hayati

Abstraksi : Exploration investigation generally composes of four main stages: regional study, petroleum system analysis, play concept development and prospect generation. Intensive exploration and production activities in one basin without new petroleum system development will diminish total volume of ...

Oleh: Pranowo Nugroho;Wahyu Seno Aji;Winiarti Wijadhi;Mulyo Hadi Santoso;L Gilang Ginting

Abstraksi : Southeast Sumatra block is a mature area with about 45 year of production history. Aside of development, there are several undeveloped field in Southeast Sumatra (SES) block, one of the undeveloped potential is “NGI”. Total 3 (three) exploration wells has been drilled in “NGI” Area ...

Oleh: Aditya Kusuma Wijaya;Erik Yogapurana

Abstraksi : The Oligo-Miocene Carbonates are a major reservoir and an attractive petroleum target in North Madura Platform. This paper will discuss the evolution of Oligo-Miocene Carbonates since the development of carbonate rocks with various controls affected numerous facies depositions, ...

Oleh: Aveliansyah;Rinaldo;Pujo Ponco;Ujang A. Saefullah

Abstraksi : PHE ONWJ is a mature field and having been explored for 49 years with cumulative production of 1.3 MMSTB and 3.4 TCF. All conventional plays from shallow target had been produced, so that deeper play is the next exploration target in order to find significant resources. One of the deeper play that ...

Oleh: Andika Leonardo Surya;Aji Ismanu

Abstraksi : Indonesia has abundant of geothermal potential. Utilization of geothermal energy in Indonesia can be done properly and used optimally by understanding well what is meant by geothermal system. Heat Source is one of several important things of the geothermal system. Heat Source is the rock that ...

Oleh: Widia Anggraeni;Syafarudding A. Kausar;Bagas Setyadi;Syamsurijal Rasimeng

Abstraksi : The prospect of Way Ratai Geothermal is located in Way Ratai Village, Pesawaran Regency, Lampung Province indicated by the existence of manifestations in the surface. This research is purposed to indicate the distribution geothermal manifestation based on electrical properties of rock by ...

Oleh: Dipo Caesario;Wahyu Budhi K.;Arif Swastika;Nanda Natasia;Galih Regi R;Wahyu Nainggolan

Abstraksi : Meruap KSO is a prolific oil block located in Jambi Subbasin, South Sumatra Basin. Volcanic activity in the Miocene supplies the volcanic material to Air Benakat Formation as the primary reservoir. There are two types of lithology that strongly influenced by volcanic material, namely ...

Oleh: Erdila Indriani;S. Rachmat;Leksono M.;Agus Yodi G.;Anugerah

Abstraksi : It has to be realized that the era of conventional-oil is coming to an end. It will consume a lot of effort and cost to look for a new conventional-oil resource. However, unconventional-oil resources are abundant; most of oil reserves in the world are dominated by unconventional one (heavy, ...

Oleh: Rizqi Amalia Melati;Dody Apriadi

Abstraksi : The first rule in working carbonate reservoirs is “look at the rocks”. To identify the carbonate facies, pore type, and diagenetic features is impossible without direct examination of rocks. This paper is aiming for showing petrography data that were taken from cores, side wall cores and ...

Oleh: I Wayan widarmayana;Ari Muladi;Afin Sjapawi

Abstraksi : Two of the giant gas fields in Nanggrou Aceh Darussalam (NAD) are located in prolific hydrocarbon provenance of the North Sumatera Basin. The giant Arun field located in “B” Block (onshore) and the NSO-A field located in NSO Block (offshore) have been producing gas since 1977 and 1999 ...

Oleh: I.A. Dinata;A. Marwanto;I.A. Sadisun;M. Asrurifak

Abstraksi : The Giant Sea Wall (GSW) development plan in Jakarta Bay start from coastal security program in the Jakarta Coastal Defense (JCD) which later turned into a more integrated NCICD (National Capital Integrated Coastal Development) program. One of problems that encountered in the implementation of ...

Oleh: Al Aslami Dzar Al Gifahry;Mohammad Syaiful;Sukmandaru Prihatmoko;Daniel Mokalu

Abstraksi : Geotourism is growing up in the world, including in the developed countries like Indonesia. Generally, people have a limited time,e.g .few days up to a week, inspending their holidays. In the other hand, a tourism destination often has many places to be visited. People must be smart in enjoying ...

Oleh: Aprila Fitriani Parma;Iyan Fadhlurrohman;Yanti Iskandar;Ikhsan Chalik;Meutia Farida

Abstraksi : Walanae Formation is one of siliciclastic deposit in southern arm Sulawesi region. Administratively the research area located in Sanuale area, Marioriwawo District, Soppeng regency, South Sulawesi. The Walanae Formation is part of the Sengkang basin and Bone basin. Lithology units in the research ...

Oleh: Yudo Haryadi;Arifiyana;Sri Ardhyastuti;Athur Yordan

Abstraksi : Perairan Teluk Balikpapan merupakan kawasan intertidal yang kompleks dengan adanya interaksi antara arus pasut dari laut terbuka dengan banyaknya muara sungai yang berada di sekitarnya. Interaksi tersebut menghasilkan pola osilasi yang bergerak menuju dan keluar sungai dan akibat proses tersebut ...

Oleh: Yulia Anggraeni;Yusuf Hadi Perdana;Tio Azhar Prakoso Septiadi

Abstraksi : Complexity of Banda Sea tectonics are quite interesting. The high seismicity in Banda Sea due to the thrusting between Eurasian Plate and Australia Plate. Banda arc consist of an inner-volcanic arc and an outer-subduction basin. Relocation can correct the kinematics parameter of earthquake, so ...

Oleh: Lucky Bagus Waskito;Anvi F. Syafei;Fuad Abdillah;Rizki W. Pangestu;Ravel Alviando;Kharisma Idea

Abstraksi : In this research company are collaborating with campus research to develop the technology in low salinity water flood. The objective of this research are to determine the effect of low salinity water injection to oil recovery, the effect of clay content within the core and cutting samples to oil ...

Oleh: Roy Arthur Sitorus;Achmad Mansur;Zahazny Rahamanda;Ichromi Zamzami

Abstraksi : There comes a point in the life of the well when artificial lift technologies become a necessity due to lack of required natural energy from reservoir to sustain production targets. Electrical Submersible Pump (ESP) is one such technology and is quite often commonly considered to be an optimum ...

Oleh: Cholisina Anik Perwita;Konstantinos I Konstantinou;Sukir Maryanto

Abstraksi : Volcanic tremor that follows explosive eruptions is an ubiquitous signal found in several volcanoes and also found at Semeru volcano, East Java, Indonesia. 25 episodes of volcanic tremor data from 22 November – 31 December 2009 have been analyzed using methods from the discipline of nonlinear ...

Oleh: Bagus Wibisono;I Gusti Ayu Tara Nuarisanti;M. Lutfi Zakaria;Siti Damaianti

Abstraksi : Seismic exploration is still the main method which is used in oil and gas exploration. One of many parameters which influences the quality data of 2D seismic is geometry shooting. In general, geometry shooting is divided into 2, namely end-on spread and split spread. The influence of geometry ...

Oleh: Aulia Ahmad Nafis;Hasan Nurudin;Ikhsan Hanurogo;Bagus Sapto M;Ahmad Zaenudin

Abstraksi : Fault shadow often found in areas that has complex geology setting and strong lateral velocity variations make an anomaly such as seismic sag or mistacking, this anomaly will make a mistake in interpretation. The challenge is how to image that condition properly, and we use Pre Stack Depth ...

Oleh: A D Alfianto;K H Mukti;O A Pranidhana;B Dwijatmiko;D Pramudito;E Hartantyo

Abstraksi : Acoustic impedance inversion is routinely used in lithology distribution, reservoir porosity and properties modelling. Conventional seismic reflection data typically range between 10 – 100 Hz, so it does not contain information about the acoustic impedance in the low frequency (~2 – 10 Hz). ...

Oleh: Akhmad Aksin;Amalia Fatikasari

Abstraksi : The interpolation of data becomes mandatory in the processing of seismic data contained irregularities. It can occur due to the acquisition constraints, data lost or damaged (corrupted) partially. Further, this irregularity can change section appearance of the seismic data which can cause ...

Oleh: Diah Wijitianti;Reddy Setyawan;Hadi Nugroho

Abstraksi : Bintuni Basin had quite large amount of hydrocarbon prospect, so that the research about geological condition at this area has been doing continuously. Deepwater sedimentary system, especially a sub-marine fan as the one of the sedimentary system that evolve this area was considered as a good ...

Oleh: Tsara Kamilah;Yuli Fatimah Azzahra;Wida Purindiva Setiadi;Marisa Jasmine

Abstraksi : Decline in oil and gas prices affects the technological development and efficiency of exploration activities in Indonesia, especially in basin of eastern Indonesia that has a fairly high risk. The general method used in exploration is a qualitative method based on the interpretation without any ...

Oleh: Syamsidar Sutan;Endy Mukhlis Syuhada;Fajar Alam;Immanuel Simon

Abstraksi : The development of a city will be followed by growth of the community, it makes increasing demand for housing. Samarinda is a growing city in Indonesia, Samarinda city area of 718Km2 with population of 805.688-inhabitants and the rate of population around 3.14% with population density ...

Oleh: Syamsidar Sutan;Endy Mukhlis Syuhada;Fajar Alam;Immanuel Simon

Abstraksi : The development of a city will be followed by growth of the community, it makes increasing demand for housing. Samarinda is a growing city in Indonesia, Samarinda city area of 718Km2 with population of 805.688-inhabitants and the rate of population around 3.14% with population density ...

Oleh: Trian Hendro Asmoro;Autie Minati Putri

Abstraksi : A gas field development project is challenging since wells need to be drilled to assess the oil/gas reserves and production facilities need to be built. The ultimate objective of the project is to deliver the gas sales to selected buyers as per agreed schedule and price. As result, the project ...

Oleh: Danny HilmanNatawidjaja;Benyamin Sapiie;AstykaPamumpuni;Gayatri I. Marliyani

Abstraksi : Baribis and Kendeng tectonic zones are well known major structures of Java Island but their details and seismic activities had not been well understood. Recent geological, geophysical and geodetical studies coupled with instrumental and pre-instrumental earthquake records indicate that Baribis ...

Oleh: Sotarduga S. Nainggolan;R. M. Tofan Sastranegara;Imam B. Raharjo

Abstraksi : Basement modeling in geothermal field is quite difficult. The tectonism and volcanism processes that occurred resulted in very rare basement rocks exposed at the surface. Knowing where the basement is very important in both stages of exploration and exploitation since it is often considered as the ...

Oleh: Desi Yensusnimar;Jonathan Setyoko;Lismeri Ginting

Abstraksi : The occurrence of oil-seep provides strong evidence for the presence of a working petroleum system as well as some of the characteristics of its source rock that generated the oil. Oil seepage samples from Masin Lulik and surface sediment samples from Atambua, Timor Basin has been analyzed using GC ...

Oleh: Maria R.P. Sudibyo;K.I. Konstantinou;Agus Budi Santoso;I Gusti Made Agung Nandaka;Ade Anggraini;Wiwit Suryanto

Abstraksi : We report the dynamic characteristics of the seismic noise on Merapi volcano preceding the great eruption of October 26, 2010 by quantitatively measure their randomness. It has been reported that a reduction of noise randomness can be used as a short-term precursor to volcanic activity. In this ...

Oleh: Nita Apriyani;Imam Firdaus;Radig Wisnu Y

Abstraksi : Methane in coal can exist as free gas in the macropores or adsorbed on the surface of micropores. The amount of gas in the bed depends on temperature, pressure, degree of fracturing, permeability of coal and adjacent strata. In situ gas content were obtained from desorption isotherm data measured ...

Oleh: CendiDiarPermata Dana;Arvida Noviana;Wino Fadriand;Muzammil;Anastasia Dewi Titisari

Abstraksi : Autoclastic breccia of Peniron Formation is one of volcanic product which represents a volcanism activity during Pliocene. This autoclastic breccia exhumes widely in East Kebumen, Central Java and its surrounding area, however, no published mineralogical and geochemical characteristicof the ...

Oleh: Zuhrotul Firdaus;Qori'ul Dennis;Farizky Hisyam

Abstraksi : Study was carried out on coasts in Southern Malang, East Java to identify geotourism and geohazard potential. Malang Regency is main tourism destination in East Java. One of them is Southern Malang coasts which bordered with Indian Ocean and include Southern mountain zone. Due to the geological ...

Oleh: Avesta Yudha Prasetya;Eka wisnu Irawan;Brahmani Trias Dewanta

Abstraksi : PS field is an exploration field which located in Northwest Java Basin Onshore, exploration activities in PS field started in 1985 when exploratory wells TR-1 was drilled to test the structure of the north field. Several years later, TR- 2 deviation well was drilled adjacent to TR well-1 to the ...

Oleh: Maryani Hartuti;Gathot Winarso

Abstraksi : Landsat 8 carries Operational Landsat Imager (OLI) sensor that works on visible wavelength spectrum. Blue and green channels on OLI sensor can be utilized to extract bathymetry information in coastal waters. Compared to Landsat 7, the new Landsat 8 has narrower spectral bands, and higher dynamic ...

Oleh: Bagus Endar B. Nurhandoko;Indriani Sukmana

Abstraksi : Imaging beneath hardrock is important since Indonesia has long volcanic belts and row of carbonate hills. Many hydrocarbon potential areas exist beneath the volcanic zone and also beneath the carbonate area. Reflection seismic method, however, has some constraints to obtain good quality images ...

Oleh: Naufal Ikhsan;Renaldi Suhendra;Anastasia Dewi Titisari

Abstraksi : Granitoid rocks have been known spreading from Sumatra (including Bangka-Belitung) to Kalimantan Island. However, this research will only discussed about granitoid rocks in Baginda Hill, Belitung Island, Indonesia. There are two-type granitoid rocks which can be differentiated by the color and ...

Oleh: Yulia Febri Yeni;Rayuli Wulandari;Fadhli Ruzi;Amalia Azlin;Asha Regina;Rori Bramantyo

Abstraksi : Reseach area is located in Beruk High, Central Sumatra Basin, which is part of Coastal Plain Pekanbaru Block (CPP). Oil in this area produced from the Early Permian - Early Cretaceous basement (T. Koning and Sudarmono, 1984). Beruk High has a complex tectonic history, from pre –Tertiary to ...

Oleh: Ahmad Ilham Kamal;Algracia De Rahmanov;Yan Bachtiar Musli

Abstraksi : Karangsambung village located in Kebumen, Central Java is a location of exposed basement rocks that consists of mélange, ophiolite sequence and metamorphic rocks which has a geological setting of an accretionary prism that was formed in Cretaceous. Due to an intense compressional force, ...

Oleh: Mokhamad Nasyih Aminnulloh

Abstraksi : PGN FSRU Lampung was the first FSRU in the world permanently moored with Tower Yoke Mooring System (TYMS), Innovative mooring solution for shallow water. TYMS is a four legged jacket in 23 meters of water with 4 through leg piles. The Upper TYMS, which sits on top of the jacket, consist of a ...

Oleh: Mirzam Aabdurrachman;Sri Widiyantoro;Bambang Priadi;Taufik Ismail

Abstraksi : Violent eruption of Krakatoa Volcano located in the Sunda Strait, Indonesia has attracted earth scientists around the world as one of the killer eruptions in human civilization. Although much data have been reported, the interior of subducted slab and mantle structure beneath this volcano is ...

Oleh: Rifki Adrianda;Winda Nurdini;Retno Aprianti Putri;Heni Sipahutar;Suwarta;Teddy Eka Putra

Abstraksi : The Pamanukan Structure is located in the Northwest Java Basin, The basin was formed in response to the collision of the Sunda plate with the Indian- Australian plate during Early Eocene to Oligocene time. Plate tectonic movements controlled both the structural development and the sedimentation ...

Oleh: Ray Diwatra Linggadipura;Mega Rizky Nuriana Sari

Abstraksi : Sawahlunto is famous for natural resources especially coals with good quality and also known for the oldest underground coal mines city in Indonesia. But looking from geological prespective, Sawahlunto has various geological phenomenons caused by tektonical deformations, which happened during ...

Oleh: Wien Lestari;M. Singgih Purwanto;Nita Ariyanti;Amien Widodo;Dwa Desa Warnana;Juan Pandu G.N.R.

Abstraksi : Tourism is one of the most dynamically developing global sectors. Geotourism (Geotourism) is a relatively new type of tourism. The main reason for the emergence of geotourism is to maintain the geological diversity and ecosystem sustainability by involving local communities. The natural damage ...

Oleh: Adi Susilo

Abstraksi : The research of Karst and coastal areas Geo-tourism potential at South of Malang, District of Malang, had been undertaken. The purpose of this study is to get an idea of the potential of tourism, especially Geo-tourism (Karst, geomorphology and the beach), so that later can be used for the ...

Oleh: Hidartan Koesnin;Assegaff Abdurahman;Eddy Sugiarto

Abstraksi : Umbulan spring located in Pasuruan, East Java, these springs have been exploited since the colonial era. Umbulan Spring planned to be managed by the Government - Private with debit mainstay of 4000 liters / sec., The problem that arises is, whether debit mainstay which is expected to be ...

Oleh: Mahendra Wahyu Dinaryanto;Ahmad Irfan Goeltom

Abstraksi : Paluh Tabuhan Timur (PTT) structure is one of oil and gas producing structure in PT. Pertamina EP Pangkalan Susu Field, consist of 13 oil wells and 9 gas wells with total oil production of 100 BOPD and gas production of 1.4 MMSCFD. Currently there is an opportunity to increase the production of gas ...

Oleh: Aldis Ramadhan;Alexis Badai Samudra;Jaenudin;Enik Puji Lestari;Julian Saputro

Abstraksi : The shallow zone reservoirs have been well-known as major production layers in many basins. Accordingly, many oil companies perform going deeper exploration campaign to discover potential reservoirs in the deeper zone. The challenge of this campaign is the reservoir with high pressure high ...

Oleh: Atmaji Nugroho;Asep Ginanjar;Sandra Radiansyah;Prawoto Syuhada

Abstraksi : Over these recent decades, shallow gas used to be known as hazardous element which was avoided during well drilling in Offshore North West Java (ONWJ) Basin. However the paradigm shifted rapidly after SP - 1 exploratory well discovered 6.8 MMCFPD rate of shallow gas in Cisubuh Formation in 2012. ...

Oleh: Dwa Desa Warnana;Wien Lestari;Djuan G.N.R.;Firman Syaifuddin;Amien Widodo;Nita Ariyanti

Abstraksi : After LUSI incidence occurred in May 2006, mud volcanoes phenomena became more known in Indonesia. Due to the hazardous for the society especially residential areas, another mud volcano feature then became a big concern around east java. One of the mud volcano feature that still nearby the LUSI ...

Oleh: Ardi Julian Samudra;Bobby Mazmur Sihole;Bayu Sapta F;Fery Mustofa

Abstraksi : In 2015, JTB-1 and NRM-1 wells were drilled in the western area of the Ogan Komering block and found gas hydrocarbons in the sandstones reservoirs in ABF and GUF Formation. This discovery provides an opportunity to develop new exploration play in this area. To delineate the distribution of porous ...

Oleh: Ektorik Dimas;Fandi Fadliansyah;Fadhli Fachrudin;Stev. Nalendra;Rafwal Descartes

Abstraksi : The sedimentation at the tertiary age in the South Sumatra basin experienced a dynamic process, which start from transgressive phase until regressive phase. The aim of study is interpret litostratigraphy framework system are presented in model form. The reserach conducting few stage of literature ...

Oleh: Muhammad WildanFadhlillah;Rian Cahya Rohmana;HenrycusNeshaArdenta;Poppy MuthiaGhufrani;Evan RosyadiOgara;Ali Achmad

Abstraksi : The understanding of deep-water depositional system such as depositional process, facies development, architecture, geometry and also properties (porosity and permeability) provides knowledge contributions into deep-water petroleum exploration. The objectives of this paper are to unravel challenges ...

Oleh: Aris Kusworo;Lauti Dwita Santy;Angga Jati Widiatama

Abstraksi : Formasi Weda diendapkan pada lingkungan karbonatsilisiklastik dengan mekanisme turbidit pada miosen akhir, memiliki variasi ichnofosil yang beragam. Keanekaragaman jenis fosil jejak dapat digunakan sebagai instrument intepretasi lingkungan pengendapan. Terdapat sembilan jenis fosil jejak yang ...

Oleh: Imam Setiadi;Marjiyono;Januar H.S;Zulimatul P.

Abstraksi : Cekungan Salawati merupakan cekungan sedimen yang telah matang dan berproduksi sejak tahun 1936. Beberapa lapangan minyak dan gas yang sudah berproduksi berada pada struktur terumbu karbonat dan antiklinal di atasnya hingga saat ini sudah semakin sulit ditemukan. Sehingga perlu dilakukan penelitian ...

Oleh: W. L. Ambarwati;R. Idris;E. Nurjadi

Abstraksi : The Lower Baong Interval, member of Baong Formation is one of Miocene formation in North Sumatra Basin, it is dominated by shale sediment and intercalated with thin layer of sandstone and siltstone. Previous studies about Lower Baong Provenance interpreted that there are two main province of Lower ...

Oleh: Micnel Ostias Jene;Adi Nugraha

Abstraksi : An intergrated ichnological and sedimentary facies study has conducted at Ngalang river, Gedangsari area, where Sambipitu Formation is exposed, contains mostly wellpreserved trace fossils. A 19 m thick sedimentary deposit of mixed carbonate-siliciclastic deposit shows the dominance of horizontal ...

Oleh: Ida Bagus Oka Agastya;Slamet Sugiarto

Abstraksi : The research area is located in kendeng fold-thrust belt in the estimated form at Plio- Pleistocene deformation in Java. Wherein Kendeng Zone it self is the foreland basin which deposited of deepwater sediment. The provenance of Kendeng Zone came from Southern Mountain (Genevraye and Samuel, 1972). ...

Oleh: Erie Yoewono

Abstraksi : The government of Indonesia has initiated the establishment of Bonded Logistics Centers (BLC’s) which serve as multi-function logistics warehouses for imported and local goods by exempting the import duty and value added tax ("VAT") of imports and thus enabling operational flexibility. The legal ...

Oleh: Christophorus Enggar Suryo;Jalu Bias Firdausi;Chintya Meidina Azwar

Abstraksi : The volcanic activity beneath the sea which produces lavas and form igneous rocks with pillow structure by contiguity with mass water is called Pillow Lava. The distribution of Pillow lava in Java is spreading from west to east Java. Those exposures to represent a whole story of the lifetime of the ...

Oleh: Ilham Dharmawan Putra;Fauzy Habibie Akhyar;Salahuddin Husein

Abstraksi : Rejang Lebong – Kepahiang district is located approximately 80 km from Bengkulu’s capital, located in an elevation range of 400-1900 asl. The study area is known to have a number of prospectus places to be developed in the geotourism sector; but yet, the study area is known as one of the most ...

Oleh: Adventino;Djohan Rizal Prasetya;Brando Hizkia Robert Jacob

Abstraksi : The quality of Geology Physical in each region provides the potential and the constraints that different. This potential can be beneficial as well as detrimental. Therefore, this study was conducted in Cidora and surrounding area, Subdistrict of Lumbir, Banyumas Regency, Central Java with an area ...

Oleh: Dian Kusumawati;David P. Sahara;Andri Dian Nugraha;Nanang T. Puspito

Abstraksi : In the early dawn on December 7, 2016 at 5:05 local time, Pidie Jaya, Aceh was shaken by a 6.5-moment-magnitude earthquake. The hypocenter located on 5.28°N and 96.22°E with 17.47 km depth (GCMT). The earthquake did not generate tsunami, yet the damages were quite high as the hypocenter is near ...

Oleh: Unggul Prasetyo Wibowo;Ifan Yoga Pratama Suharyogi;Erick Setiyabudi

Abstraksi : This paper embraces and compares some vertebrate fossil analyses that found in Java, Flores and Sulawesi Island. A number of genera from Indonesian region belonging to the proboscidea (Stegodon), tortoise and also hominid have been identified in deposits. In the case of proboscidean and tortoise, ...

Oleh: William Pradana Sollu;Ginda Hasibuan

Abstraksi : Indonesia national strategic infrastructure development in the form of Trans Sulawesi Railways particular route Pare Pare - Mamuju planned through the western parts of Pinrang Regency. Area the railway alignment plan is a plain area composed by Quarternary sediment. This engineering geological ...

Oleh: Athur Yordan;Sri Ardhyastuti;Trevi Jayanti;Arifiyana

Abstraksi : The port superiority is influenced by water dynamics condition. The existence of sedimentation in Riko’s mouth river as the main gate of ship’s channel access to Maritime National Science Technology Park port cause the problem that need to be analyzed. One of the factors that caused ...

Oleh: Fitriyadi;Franciscus Aditya Priyawan;Eddy Himawan Sulistianto

Abstraksi : On November 2015 South Sembakung field had been flowing gas for the first time to PLTMG owned by PT PLN (Persero) in Region North Kalimantan. The contract volume on Gas Sales Agreement (GSA) ramp up range on 0.3 to 0.5 MMSCFD. The technical obstacle appear due to the the existing Gas Plant ...

Oleh: A. Handyarso;HM. Saleh

Abstraksi : The volume of oil and gas explorations in the Kawasan Timur Indonesia (KTI) is still lagging behind the Kawasan Barat Indonesia (KBI). The complexity of the geological structures and the Geographical conditions caused KTI become virgin areas which commonly known as the frontier areas, such that ...

Oleh: Dery Marsan;Tedi Yudistira;Sri Widiyantoro;Massita Ayu Cindy;Jean- Philippe Metaxian

Abstraksi : Mount Merapi is an active stratovolcano and categorized as one of the most active and dangerous volcano in Indonesia. Because of Mt.Merapi lies in the most densely populated areas and also have occured devastating eruptions with pyroclastic flows and lava dome growth, the research on Mt.Merapi is ...

Oleh: Ahmad Lutfi

Abstraksi : Klasafet formation are modeled in the form of inversion Lamdha Mu and Rho in the LMR cross-plot in order to separate lithology and understand the content of fluid in the rock formations of Klasafet that potentially keep a shale gas. Klasafet formation consist of layered massif of Marl, Mica-Silt ...

Oleh: Rifqi Zakaria;Tara Shinta Dewi;Rian Cahya Rohmana;Putri Ramadhina

Abstraksi : The East Java Basin is known by researchers to be Cenozoic hydrocarbon basin with proven petroleum system. Ngrayong Formation is part of North East Java Basin in the Rembang Zone and one of the giant reservoir in Indonesia with very good properties reservoir. This paper concerns to reveal the ...

Oleh: EfriElkha Riza;Alifia Dwi Wanodyahutami;Pande Made Oka Iriana;Musalam Latuconsina

Abstraksi : Pertamina EP strategy to develop gas field at Pagardewa Complex is intregrating7 structure to permanent Gas Gathering Station. The structures are Pagardewa, Prabumenang, Tasim, Pagardewa Selatan,Karangdewa, Kuang Selatan &Kuang Utara. Those structures were produced with Put on Production (POP) ...

Oleh: Rifki Adrianda;Krisnanto Nugroho;Meidy Saputra;Winda Nurdini;Ryan Zulmi;Suwarta

Abstraksi : The carbonate rocks are an important reservoir rock type in oil and gas industry, including in Indonesia since the discovery of large amounts of oil in the Baturaja Formation in the Java Sea, Kujung in the East Java Sea, and several other fields. The areas object of research is included in the ...

Oleh: Farida Dwi Aryati;Vydia Ridha Ariati;Sekar Indah Tri Kusuma;Reyhan Naufal Julias;Annisa Della Megaputri;Muhammad Alamsyah

Abstraksi : Facies study area is located in Pringapus, Semarang. Facies analysis method is a necessary method used for basic interpretation in determining the petroleum play in an area. An observation is done to know the existing facies and its changes in vertical stratigraphic measurement. Mostly, a facies ...

Oleh: Abdul Haris Salam;Amega Yasutra

Abstraksi : Steamflood is one of the EOR methods used to facilitate heavy oil removal by injecting steam into the reservoir. Hot steam is used to lower the viscosity of the oil so it is more easily lifted to the surface. By using CMG STARS software, a synthetic model for simulation and optimization of the ...

Oleh: Luthfi Adi Prasetyo;Fadlin;Siswandi;Wahyu Tri Anggoro;Amalia Oktaviany

Abstraksi : The potential of this late gold metal found in the Kulonprogo mountains such as the prospect of low sulphidation epitermal Kokap, epithermal high sulphidation of Mount Gupit, And rampart of traditional gold mines is the background of this research. Hargerejo area is an administrative area of ...

Oleh: Jatmiko Prio Atmojo;Kris Pudyastuti;Muhammad Syarif Fadlulrrahman

Abstraksi : The wells of the Lumut Balai Geothermal Field is a typical of high enthalpy geothermal well with multiple feed zones about -400 masl and -700 masl. and maximum temperature of 240 oCin the reservoir.The thermodynamic process that occur in the well and the surrounding rock along the entire well ...

Oleh: Verry Edi Setiawan;Purnama Sendjaja;Ronaldo Irzon

Abstraksi : The granitic rock in Solok area included to the Triassic Lassi Granite. Based on petrographic identification using a polarization microscope, there are three types of granites: the megacrystaline pinkish granite, diorite, and hornfels granite. The megacrystaline pinkish granite is very interesting ...

Oleh: Lauti Dwita Santy;Angga Jati Widiatama

Abstraksi : Penelitian ini difokuskan pada identifikasi karakteristik petrografi batupasir Pulau Sabu dan batuan asal pembentuknya. Pengujian terhadap dua puluh tiga percontohan batuan dengan metode poin counting mengikuti Gazzi-Dickinson.Berdasarkan karakteristik batupasir Pulau Sabu terdapat dua formasi ...

Oleh: Kristyarin Dwi Anggritya;Dedi Kurniadi

Abstraksi : Louise field is one of the relatively mature oil field located in anticlinorium Sanga-sanga, Kutai Basin, East Kalimantan. Complex regional geological conditions due to the order of stratigraphic complex in deltaik framework contributed to difficulties in making correlations reservoir and the high ...

Oleh: Haryono Haryanto;Wahyudin Bahri Nasifi

Abstraksi : The current improvements in the application of spectral decomposition have been intensively focused on direct hydrocarbon detection rather than structural interpretation, which is performed by exploiting attenuation (Q) measurements of seismic reflection data. This attenuation is believed to be ...

Oleh: Adilla Armando;Maryadi;Yunus Daud;Ahmad Zarkasyi

Abstraksi : Resistivity geophysical surveys have been executed (mapping and sounding) in the area of geothermal potential Talu-Tombang, Pasaman Barat regency, West Sumatra. Measurements were performed in 7 tracks (3 tracks in the area Tombang and 4 tracks on Talu area) which aims to make modelling the surface ...

Oleh: P. Sampurno;N.C.D Aryanto;R. Zuraida

Abstraksi : Bangka Island is one of Indonesian tin islands. Tin from the island is found associated with rare earth elements. Elemental analysis conducted of four existing cores using multi-sensor core logger (MSCL) instrument with X-ray Flourescence (XRF) sensor and magnetic susceptibility, to find out the ...

Oleh: Indra Yanastyapricena;Sofia Salsabila;Dimas A. R. Prawiranegara;Fauzan E. Saputra;Novi Anggraeni;Muhammad Ilham Nabil

Abstraksi : Nowadays, deeper drilling is a new innovation to discover more hydrocarbon in Indonesia. However, it is a risky exploration because most Indonesian basins are classified to overpressure zone. A number of overpressure zones in Indonesia are occurred start from 3000 m below the surface in fast ...

Oleh: Rifki Adrianda;Winda Nurdini;Magna Insani;Ryan Zulmi;Retno Apriyanti Putri;Suwarta

Abstraksi : As one of the largest oil and gas and geothermal companies in Indonesia, Pertamina has a huge amount of upstream technical data in both physical and digital data. The management of the data is carried out separately and raises various issues such as very large fees for third parties and long ...

Oleh: Sidiq Romi Murjianto;Khadafi;Arya Nugraha;Djoko Rubyanto

Abstraksi : Conventional 3D seismic data represent shallow to deep subsurface image and its quality depend on the survey objective and selected acquisition parameter. In the exploration and development stage, usually focus of seismic data interpretation is in the deeper section to find outthe reservoir and ...

Oleh: Eko Setiadi;Arista Sony;Iskandar Tauhid Lubis;Wahyu Wijanarka

Abstraksi : Pertamina Hulu Energi has 56 subsidiaries, consisted of 38 conventional hydrocarbon assets, 16 unconventional hydrocarbon assets (coal bed methane and shale gas), and 2 LNG plant.Regarding assets complexity, we formulated asset prioritization model which is adjustable and flexible toward changes ...

Oleh: Brian Bramanto;Kosasih Prijatna;Irwan Gumilar

Abstraksi : The monthly solution of Gravity Recovery and Climate Experiment (GRACE) satellite mission were used in this research to monitor a long-term gravity variation (2002-2016) over Andaman-Indian Sea. The results of time series gravity variation for degree an order up to 60 indicate that there are ...

Oleh: Muhammad Ridha;Jonathan Sofiawan Zamili;Muhammad Alam Satria;Petrus Aditya Ekananda;Widiastuti Nur Farida;Yan Bachtiar Muslih

Abstraksi : Banyumeneng located in Mranggen, Demak, Central Java, precisely located in Kendeng Zone. During Eocene to Miocene, Kendeng Zone was the main depocenter in North-east Java Basin as a back-arc basin related to Oligo- Miocene volcanic arc. This study aims to determine the changes of depositional ...

Oleh: Tolchani;Dicky Muslim

Abstraksi : Penjalin Dam was built in 1930 until 1934, located in Paguyangan Village, Bumiayu District, Brebes Regency, Central Java Province. At the foot of the downstream of the dam were appears water seepage and in the downstream of the dam body is a fairly dense local settlement with the number of about ...

Oleh: Muhammad Fikri Azis;Rian Iskandar;Muhammad Razzaaq Al Ghiffari;Teuku Yan Waliana Muda Iskandarsyah

Abstraksi : Handapherang landfill site is located in Handapherang Village, Ciamis Sub-district and accommodate the waste from all around Ciamis District, West Java. This landfill site is more or less 70 meters of a Citanduy tributary. This distance, based on the analysis of regional feasibility is less ...

Oleh: Rio Raharja;Endra Gunawan;Irwan Meilano;Hasanuddin Z. Abidin

Abstraksi : The July 17th, 2006 M7.8 Java tsunami earthquake that occurred at 08:19:28 UTC in Southern West Java along the Sunda Trench was associated by the subduction process between oceanic plate of Indo- Australian plate and continental plate of Eurasian plate. Postseismic deformation is modeled to ...

Oleh: A.I. Wardhana;R.B. Zul Hakim;B.A.S. Wardhana;F.I. Purba

Abstraksi : Tanjung Field has been production since 1939 and waterflood project implementation has been underway since 1995. Waterflood in this field is applied to clastic reservoirs A, B, C & D. The project is capable to increase oil production with main strategy, increasing the flow rate injection and new ...

Oleh: A.I. Wardhana;R.B. Zul Hakim;B.A.S. Wardhana;F.I. Purba

Abstraksi : Tanjung Field has been production since 1939 and waterflood project implementation has been underway since 1995. Waterflood in this field is applied to clastic reservoirs A, B, C & D. The project is capable to increase oil production with main strategy, increasing the flow rate injection and new ...

Oleh: Akmaluddin;Muhammad Farras Al Hafizh

Abstraksi : Planktonic foraminiferal assemblages from the Upper Sentolo Formation sequence were studied by establishing measured surface section in the Kaliagung village. The section yielded an abundance of planktonic foraminifera. Biozonation was examined based on standard procedure of first and last ...

Oleh: Hidayattul Hendra;Fadhli Ruzi;Raihan

Abstraksi : Stratigraphic and seismic attribute analysis has been applied to Bekasap formation on high basement of central Sumatra basin. This study is intended to examine stratigraphic trap potential i.e., onlap system, where hydrocarbon accumulated. The discovery of this stratigraphic traps are expected to ...

Oleh: Juliata Parlindungan Panjaitan

Abstraksi : Rock typing and permeability prediction has significant role to predict reservoir performance. RCAL and SCAL are the input for rock typing. Core plug testing with adjusted NOB from reservoir condition are needed to get rock type’s result correct. Based on data calculation, NOB 910 psi is the ...

Oleh: Sri Ardhyastuti;Yudo Haryadi;Taufan Wiguna

Abstraksi : Fore arc basin is one of the areas that have the hydrocarbon potential also oil and gas reserves in the future. Agency for the Assessment and Appliation of Technology (BPPT) had joint research cruise with Bundesanstalt für Geowissenschaften und Rohstoffe (BGR) for gas seepage zone mapping in ...

Oleh: Sigit Maryanto;AsepK. Permana

Abstraksi : Aspek mikrofasies dan rekaman proses diagenesis pada batugamping Formasi Nakfunu telah dipelajari guna mengetahui mekanisme pengendapan batuan dan sejarah proses geologi paska pengendapan batuan. Sampel sampel batugamping telah diambil secara acak di lapangan pada formasi batuan yang berumur Kapur ...

Oleh: Aulia P. Satria;Sena W. Reksalegora;Aulia H. Burhamidar

Abstraksi : The East Java Basin is one of hydrocarbon producing basin in Indonesia. The study area is located in the Eastern part of the East Java Basin which covers onshore and offshore areas of South Madura Strait (Figure 1). This basin is well known for its overpressure zone which commonly occurs as a ...

Oleh: C.Sutisna;I. Maulana;F. Langitan;D. Biramandita;W. Zanussi

Abstraksi : Reliable well data; sonic-log, checkshot and top formation marker information can and probably should be used to calibrate seismic data providing useful ground truth information at known locations and aiding to constrain velocity model building, a crucial step in seismic imaging. In the case study ...

Oleh: Gde Pradnyana;Jafar Karloo

Abstraksi : This paper describes the application and selection of various types of dry tree based floating production facility concepts in the deepwater areas of Makassar Strait offshore Kalimantan, Indonesia. The first deepwater floating system in the area is the West Seno TLP installed in 3,350 ft of water ...

Oleh: Hanif Satria Mahandani;Achmad Fajar Narotama Sarjan;Hardianto Rizky Prabusetyo

Abstraksi : Seismic refraction is one of a geophysics method that was used in landslide mitigation. The refraction data was used to know the thickness of weathered layer and bedrock location in this area. The study area was located in Purwosari village, Girimulyo sub district, Kulon Progo, Indonesia. From the ...

Oleh: Wisnu Adi Nugroho

Abstraksi : The Minister of Energy and Mineral Resources of Indonesia (MoEMRI) has signed new regulation for Production Sharing Contract. The new regulation adopt Gross Split concept in contrary with previous one. This new regulation brought many pros and cons. For drilling contractor, this new regulations ...

Oleh: Fatkhur Rahman

Abstraksi : Pillar-gridding concept has been used in the conventional reservoir simulators until nowadays to represent geological heterogeneities. The process of model construction starts with grid-cells generation and geostatistics application to populate properties throughout grid-cells. This raises ...

Oleh: Indra Gunawan;Phil Cummins

Abstraksi : Distinguishing source, path, and site responses from Swave displacement spectra are the main objectives of my studying. In this research, we decide to use a parametric method for assessing these responses due to this method is well-defined on parameterizing all responses functions. The non-linear ...

Oleh: Faisal Muhammad;Pandu Patria

Abstraksi : Sidayu field located on Northern side of Ujung Pangkah, East Java. Four exploration wells have been drilled. The targets of exploration wells are Early Miocene Carbonate and Early Oligocene Carbonate Reservoir. The Early Oligocene carbonate become a future exploration opportunity in Sidayu Field. ...

Oleh: Heru Prasetio;Danang Sismartono;Wanda Ali Akbar;Ika Kaifiah

Abstraksi : The initial investment cost required to build a gas flaring gas utilization facility of associated gas in the NKL field is USD 8.634 million. As much as 89% of the initial investment cost is the cost of equipment investment, while the remaining 11% is working capital. The annual operating costs ...

Oleh: Adnan Chaniago;Ahmad Reza

Abstraksi : Small scale Geothermal Power Plant (GPP) with 5 MW installed capacity in Indonesia can be developed with two kinds of approach, total project and extension project. Total project development covers all geothermal development stages while extension project development covers only the EPCC of GPP ...

Oleh: Kevin Gardo Bangkit Ekaristi;Aditya Aries Furkhan;Agra Adipta

Abstraksi : Over the decades, the high demands of fossil fuels push the oil & gas exploration technologies to develops at a higher pace. Seismic as the main method of oil & gas exploration has been deeply studied and best known on its lateral resolution. Non-seismic studies are rarely used for exploration. ...

Oleh: Zainul Hamzah;Jarot Setyowiyoto;Djoko Wintolo;Djedi S. Widarto;Sunarli Ardi

Abstraksi : One of the challenges in the development of TEP Field, Sub-basin of South Palembang, were several of hydrocarbon prospects trapped in thin layers of sandstone crossed with a thin shale of Talangakar Formation. Based on observations on cross-section of conventional seismic, the seismic reflector ...

Oleh: Faizal Ardi W;Tri Handoyo;Kelik Rudi Suharya;Jafet;Panca Suci W;Yusni A

Abstraksi : The TB field is new marginal oil field, located on the eastern part of the Malacca Strait PSC, on Tebing Tinggi island (figure-1). In 1987, the discovery well tested commercial oil rates from two sands in the Sihapas Formation. Post-drilling, the P90/50/10 volumetric estimates of oil-inplace ...

Oleh: Mohammad Bagus Pranata;Brahma Gilidian

Abstraksi : Pajangan Hill or locals called it as Pajangan Sites, had a landslide that happened on July 2016 and affects revealing more likely an arrangement of stairs object. Locals assume the object as artifacts of ancients activity. This study is aimed to help the management, empowerment, and development as ...

Oleh: Dolvi Sasmita;Putri Dwi Afifah;Muhammad Zelandi

Abstraksi : This study evaluates how much influence of environmental deposition to quality and availablity of coal in the study area. Paleogeographic used to analyze the physical state or shape of the earth's surface in the past. Five criterias were used in the study: (1) Study of geological maps, (2) The ...

Oleh: Asti Sulastri;Andyono B. Santoso;Sidiq Hidayatullah

Abstraksi : Buton regency in sequence from the oldest formation to the youngest are Aluvium, Sampolakosa Formation, and Tondo Formation. The Sampolakosa Formation and Tondo Formation is a reservoir of natural bitumen asphalt. The absence of cover rocks allows gas and petroleum to evaporate and leaves some ...

Oleh: Cahli Suhendi;David P.Sahara;Fatkhan;Dr. R. Mohammad Rachmat Sule

Abstraksi : Injection CO2 into subsurface formation changes in-situ pore pressure and temperature which in turn alters the stress condition of reservoir. This perturbation could be modeled in term of the effective stress under poroelastic assumption. Prior to injection implementation, a study of the ...

Oleh: Yani Faozani Alli

Abstraksi : The use of polymer for chemical flooding has been known to be important for improving the mobility control of oil in the pore size rock into the surface for effectively recover the oil. The most common polymer used for chemical flooding is hydrolyzed polyacrylamide that dissolved in formation water ...

Oleh: Rima Wardhani;Endang Wiwik;Arifudin Idrus

Abstraksi : This study aims to determine the characteristics of petrology and geochemical granitoida and hydrothermal mineralization in Mehanggin area, Muaradua Regency, South Sumatra Province. Research methods were undertaken with geological mapping and several laboratory analyzes including petrography, ore ...

Oleh: Yan Bastian Panggabean

Abstraksi : Gross Split is new term on the fiscal term of Indonesia. Gross Split is a modification of split between government and contractor take and by this term, the government wants to attract oil and gas upstream business while there is declining oil price globally. Many papers construct the gross split ...

Oleh: Muhammad Faizal Zakaria;Wulan Listyorini;Jufriyanto

Abstraksi : Research about manganese reserves has been done in the Karangsari Village, Pengasih District, Kulonprogo Special Region of Yogyakarta. Explorations and exploitation of manganese has been done by local community using traditional method. This research aims to determine the condition of subsurface, ...

Oleh: Riksa Thabrani

Abstraksi : Geotourism is a sustainable tourism activities with a primary focus on the appearance of geological surface in order to promote understanding of the environment and culture, appreciation and conservation also local wisdom. Based on the results of a national seminar on Geotourism in 1999 organized ...

Oleh: Ardhito Wirawan Sarwono;Puja Fahddian Sallami;M. Zuly Giansyah;Ronald Susanto

Abstraksi : B Structure, is the backbone of the Pertamina EP Asset 1 oil productions. The average oil production rate is about 2,100 bopd (December 2015). It contained 4 main sandstone formation reservoirs which are Talang Akar Formation (TAF) A, B,C, and E layer. This field has 143.08 MMSTB of Original Oil ...

Oleh: Hade B. Maulin;Ujang A. Saefullah;Andika Wicaksono;Angga Direzza;Meirince Purnama;Iwan Setiawan

Abstraksi : As one of prolific basin in North Kalimantan, Tarakan Sub- Basin is very attractive yet less explored. The Tarakan Sub- Basin is located in North East Kalimantan, few kilometers from the Mahakam Delta. To the north, The Tarakan Sub Basin is bounded by The Samporna High and to the south it is ...

Oleh: Bonifasius Nayaka;M Ihsan Wiratama;Chandrika Rizki Kusuma;Jeremy Dyer

Abstraksi : The Great South Basin of New Zealand shares certain characteristics with both the Mesozoic basins of eastern Indonesia and the Tertiary basins of Sumatra, but due to limited drilling has so far has failed to produce hydrocarbons. Thus it becomes a challenge for explorationists to find a convincing ...

Oleh: Reza Firmansyah Hasibuan;Tsukasa Ohba;Mirzam Abdurrachman;Takashi Hoshide

Abstraksi : Rajabasa is a stratovolcano located in the southern tip of Sumatra Island, Lampung Province, and uniquely situated in the same lineament with Krakatau volcanic complex and Sukadana basalt plateau. This volcano yet still yields some magmatic activities, such as solfatara and hot springs. These facts ...

Oleh: Daffa Arrofi;Safira Rizkia Muthasaybiha;Yoga Aribowo

Abstraksi : In geothermal system, silica scaling is one of the biggest problems that has not been found the solution yet. This deposit happened because when water vapor or hot water move goes to the surface, it loses its pressure and temperature. Considering to prevent those deposits, it is really matter to ...

Oleh: Iktri Madrinovella;Daryono

Abstraksi : Cilacap, a city on the south of Java island located in Central Java province, is known as a city where Indonesia has one of its biggest oil refinery. On the other hand, Cilacap as also related with hydrometeorological disaster, such as flood, landslide, drought, etc. Moreover, Cilacap is close to ...

Oleh: Epo Prasetya Kusumah

Abstraksi : Hyperspectral technology has been utilized in many discipline, including soil investigation and geology in many countries. This technology allows us to see how certain composition of material reflects light continuously from visible lights to near infrared, which simply called spectral ...

Oleh: Mohammad Risyad;Indra Noviardi Yulian;Putra Herianto;Suci Handayani Qolbi;Muhammad Fadhil

Abstraksi : Northeast Betara (NEB) field is the biggest producing gas field of tertiary sediment reservoir in Jabung Block, South Sumatra Basin. Mesozoic basement exploration has been anticipated by explorationists working in the area for more than a decade. Two deviated basement wells penetrating granite ...

Oleh: Teddy Irano;Rizaldy R.;Jaenudin;Ennur K.;Billy H.;Zontan S.

Abstraksi : Tomori Limestone divided into 2 types; First, limestone interlayer calcareous shale stone and bioclastic limestone with different depositional environment and properties with thickness between 400 ft as well as foot wall thickness of more than 750 ft. By defining its properties and depositional ...

Oleh: Ida Herawati;Awali Priyono;Sonny Winardhi;Wahyu Triyoso

Abstraksi : Anisotropy analysis has been widely used in the last two decades in processing step especially in velocity analysis. Applying anisotropy analysis resulted in optimum imaging that is needed to perform advanced seismic method or interpretation. Outcome from this analysis is interval anisotropic ...

Oleh: Jienicha Santa Dwanda;Bagus Endar B. Nurhandoko;Rizal Kurniadi;Indriani Sukmana

Abstraksi : Seismic interferometry is simply the study of interference between the seismic signals that aims to obtain information on the differences between the signal pairs. It is a technique of signal processing to reconstruct wave field. Seismic Interferometry, which first introduced by Claerbout in 1968, ...

Oleh: Andreas Wasi Kuncoro Kaissagara;Aji Rahmat Ginanjar;Dimas Pramudito

Abstraksi : Seismic acquisition often face challenges in accomplishment due to various field situations, therefore the recorded data frequently suffered from irregularly placed shots or receivers, missing offsets, dead traces, and low fold areas. Advanced seismic techniques such as AVO analysis and inversion ...

Oleh: Abd. Hafidz;Satria Bijaksana;Wahyu Triyoso;James M. Russell;Nigel Watruss;Hendik Vogel

Abstraksi : Lake Towuti sediment deposits have special feature in reconstruct the basin formations. It lies on ophiolitic rock of East Sulawesi Opihiolites. Seismic reflection survey was used to reveal the subsurface sedimentary of the lake. Surface related multiple elimination (SRME) and predictive ...

Oleh: Veri Yadi

Abstraksi : The Indonesian tin crisis encourages the producers to develop the primary tin deposits on Belitung. This island has widely been recognized as the hard rock tin producer over a century. The total hard rock tin production has been recorded at 34 ktons since was started in 1888 and the last operation ...

Oleh: Kunto Purbono

Abstraksi : The government has initiated local content policy to create multiplier effect of Oil & gas upstream. Refer to the study conducted by university of Indonesia concluded that the multiplier effect of oil & gas business to national economic is 160%. The next question is how the cost of the ...

Oleh: Masdukhan Aris Widyaminudiin;V.A. Elvien Kristian Prasetyo;Ahmad Ridho;Argya H. Basundara

Abstraksi : Arjuno-Welirang volcano complex located on southern parth of Kendeng Zone and eastern part of Java magmatic arc. The temperature of manifestation varies from 50-140 ?C. The appereance of geological structures, control the geothermal manifestation surround the Arjuno-Welirang. The geothermal ...

Oleh: Nicky Leonard Nasution

Abstraksi : Offshore produced water management currently become popular due to massive exploration in deep water oil well. Limitation in space and weight become challenges for engineers to design compact water treatment equipment that can meet country's regulatory requirement. In this paper we will discuss ...

Oleh: Lisnanda Alam Perdana;Michio Ohara

Abstraksi : Cenozoic carbonate succession, particularly in the Miocene periods, has become the proven play concept in the Eastern Indonesia. Since the discoveries of Klamono field in 1936, the exploration activity in the Eastern Indonesia area has started to focus on Miocene carbonate play of Kais Formation. ...

Oleh: Herman Darman;Dyah Tribuanawati

Abstraksi : Investors know that Indonesia is rich with natural resources, of which many are related to geology. Before decisions are made, studies are vital to assess the potential, therefore budgets are typically prepared for this stage. Lower pre-investment budget will attract more investors. Data is ...

Oleh: Adhipa Herlambang;Benyamin Sapiie;Indra Gunawan;Agung Shirly;Wendy Kurniawan;Dicky Rahmadi

Abstraksi : Sustainability of geological outcrop, especially in tropical area, becomes main issue due to humidity and high rainfall. The best method to preserve the outcrop information is to create the 3D model from digital photograph. Utilization of Unmanned Aerial Vehicle (UAV) or drone on geological ...

Oleh: Puspitasari Ibrahim;Irvan Sophian;Zufialdi Zakaria

Abstraksi : Research area located between 107° 46' 3.3636" longtitude east to 107° 47' 11.9868" longtitude east and -6° 53' 36.2472" southern latitude to -6° 55' 57.8568" southern latitude, in Jatinangor, Sumedang, West Java. Based on geology, area is belonged in the zone of Undifferentiated Recent ...

Oleh: Wayan Mahendra Ernata;Yudha Risnandar Sinulingga

Abstraksi : SN Structure located in Pelarang Anticline, Kutai Basin, East Kalimantan, one of the most prolific oil and gas basin in Indonesia. Two wildcat wells have been drilled, but unfortunately the drilling process encountered some problem due to overpressure zone which has been renowned as major ...

Oleh: Ronaldo Irzon;Purnama Sendjaja;Kurnia;Verry Edi Setiawan

Abstraksi : Rare earth elements are widely explored and are investigated in relation to the economic value. This study tries to discuss geochemistry identification of valuable rare earth elements resource in Unggan, Sijunjung Regency, West Sumatra Province. Total REE of the studied location in the part of ...

Oleh: Bayu Pranata

Abstraksi : We extracted Green’s function from ambient seismic noise data using waveform cross-correlation technique for Rayleigh wave velocity structures. The waveform crosscorrelation technique has been applied to a data set of 6 months of recordings of ambient seismic noise at 60 seismographic stations ...

Oleh: Mill Sartika Indah;M.Natsir;Fahyani Suwidiyanto;Bambang Parikesit;Darwin Kadar

Abstraksi : Wrench Fault Zone of RMKS Time is one of the biggest fault zone which connected with distribution of the reservoir , trapping, and migration success element for exploration oil and gas. Key factors during reconstruction of the biomarkers for Eocene-Pliocene chronostratigraphy for carbonate ...

Oleh: Putri Lestari;Asti Sulastri

Abstraksi : Study area at Meyud Mountain, Padalarang-West Java. Based on observations limestone at study area consist of two facies that is bindstone dan framestone-binsdtone, both are part of the reef crest of reef front in the carbonate environmental system. Fracture pattern of limestone in location very ...

Oleh: Andipa Damatra;Jarot Setyowiyoto;Didit Hadi Barianto;Teddy Eka Putra

Abstraksi : Study area is located in the North East Java Basin, which is one of the biggest hydrocarbon producing basins. However, hydrocarbon exploration activity is interesting especially on the carbonate reservoir because there are so many part of basins have a good potential to produce hydrocarbon. This ...

Oleh: Welayaturromadhona;Widya Utama;Firman Syaifuddin;How Wei Chen

Abstraksi : For seismic data analysis, the challenge is about how to improve the signal-to-noise ratio without compromising the integrity of the data. The appropriate processing sequence is used in order to obtain and represent the relative “true” amplitude. It may be obvious that reflections from greater ...

Oleh: Satrio Wibowo;Syakira Trisnafiah;Dessie Yanti Sihotang

Abstraksi : Landslides can cause losses in mining activity both economical and workers safety. Landslides potential analysis is needed so it can be avoided. This analysis includes kinematic analysis and the calculation of slope factor of safety value. The research location is in Andesite Quarry Jelekong site, ...

Oleh: Muhammad Ardiansyah;Aidil Falah;M. Fadli Ramadhan

Abstraksi : Indonesia is a region with the active mountain paths which known as ring of fire. The paths causing many of natural disaster. One of the most frequent disaster is landslide. The effect which created by this disaster is relatively hazardous, for example the material loses till the victims. This ...

Oleh: Retno Anggraeni;Dytha Puspa Novinda;Sandra Aprillia;Munajat Mubaraq

Abstraksi : A majority of oil and gas field in Indonesia are mature fields which have reached its primary production phase. In order to increase their oil recovery and inline to Pertamina’s mission and high demand to increase national oil production, secondary recovery and EOR technologies begin to apply ...

Oleh: Rahman Hakim Syaiful;Reza Permadi;Deni Mildan

Abstraksi : Belitong Island has a lot of granite rocks scattered on the beach, or in the middle of the mountain. It makes Belitong Island be a very exotic island for geotourism. In addition to white sand, sea bright and transparent look, granite adds tremendous value to promote this place. Because of typical ...

Oleh: Dadan Ramdan;Iswani Waryono;Athaina M. Nabeilah;Suherman;Irwan B. Kurniawan;Wahyu Triyoso

Abstraksi : Pertamina Algeria seismic reprocessing project was carried out in 2016 over the greater MLN field at the Central Sahara of Algeria. The project was mainly initiated to support the implementation of 2015 Reservoir Development Plan (RDP), especially for well placement assurance in the fourth phase ...

Oleh: Sri Andaryani;Erfandi Adhiansyah;Rangga A. Brahmantyo

Abstraksi : This paper is intended to measure the attenuation effects of seismic reflection data derived from spectral decomposition based on Continuous Wavelet Transform (CWT) algorithm. This is a continuation from previous publication which was emphasized to carbonate reservoir. In this paper the method is ...

Oleh: Arif Budi Pracasta Hidayat;Undang Mardiana;Febriwan Mohamad;Edin A.S.

Abstraksi : JK’ Field is located in Central Sumatera Basin which is a potentially large hydrocarbon basin in the history of petroleum exploration and exploitation in Indonesia. Stratigraphy in ‘JK’ field consists of Pematang Group, Menggala Formation, Bekasap Formation, Duri Formation, Telisa Formation, ...

Oleh: Kunto Purbono

Abstraksi : The government has initiated local content policy to create multiplier effect of Oil & gas upstream. Refer to the study conducted by university of Indonesia concluded that the multiplier effect of oil & gas business to national economic is 160%. The next question is how the cost of the ...

Oleh: Firman Yugas Pustantra;Sardjito;Yatty Surtiati

Abstraksi : The hydrocarbons exploration and production in Pertamina Working Area in Jambi is still focus on structural traps. The stratigraphic traps prospect in Puspa area are particularly possible to be developed from synrift deposits, which equivalent to Lahat and Talangakar Formations in Paleogene ...

Oleh: Sofyan Rachman;Harry Pramudit

Abstraksi : Studi hidrogeologi sangat diperlukan untuk melihat bagaimana kondisi airtanah baik dari segi kualitas dan kuantitasnya.Kondisi pencemaran air sangat erat kaitanya dengan pemakaian air oleh penduduk maka perlu sekali untuk melihat sampai dimana pencemaran dapat terjadi, maka dengan ini penelitian ...

Oleh: David Andrian;Felix Andrean;Dewi Wulandari

Abstraksi : Shale oil, an unconventional oil source located in the depth and trapped inside shale rocks, is widely known as a promising alternative to the now dwindling conventional oil source. However, the process of oil extraction in shale is hindered by low permeability characteristic. Therefore, ...

Oleh: Stevanus Nalendra;Bambang Kuncoro;Afgan Burhanudin

Abstraksi : Study area of spatial is limited to the narrow asymmetry anticline that is on the forelimb of Loa Janan Anticline. In geological time, this study observed thickness variations of coal seam on the Balikpapan Formation which is a coal bearing formation from the Kutei Basin. The coal seam has four ...

Oleh: Aradea R. Hakim

Abstraksi : National tidal stream power resource assessment have been a work in progress for some time now. This untapped tidal stream power is one the forms of marine renewables that Indonesia have to exploit in the near future for environmental sustainability and economic considerations. The main upcoming ...

Oleh: Wikan Winderasta

Abstraksi : This decade is booming of unconventional resources in oil and gas industry of the world. Following the exploration, development, and production success in North America, particularly in the United States unconventional basins, several Major Oil Companies have been trying to expand the ...

Oleh: Catur Cahyaningsih;Puja Fransismik Crensonni

Abstraksi : The research area include of Ombilin Basin Zone sediments that have age Pre-Tertiary to Quarter. The objective of this research are interpret of some unicharacteristic include: geomorphologic processes, depositional environment and potential geotourism. The method of study are geological data field ...

Oleh: Bagus Indrawan Hardi;Teuku Abdullah Sanny

Abstraksi : Full-Waveform Inversion (FWI) can be defined as an iterative fitting data procedure for obtaining physical properties of the Earth based on the full wave-field data simulation. Waveform inversion performed a high resolution image, and very powerful when it combined with a good prior model. ...

Oleh: Dian Rizqa;Ari Setiawan;Moch. Nukman

Abstraksi : A research using gravity method has been done in geothermal prospect area Ie Seu'um, Aceh Besar, with the purpose to identify the existence of subsurface structures which control the hydrothermal fluid pathways, and intrusion body which control heat source at a certain depth. Data acquisition has ...

Oleh: Yurry Putra Nusantara;Nailul Marom;Anggi Yusriani;Ario Budi Wicaksono

Abstraksi : West Timor area has recently been targeted for hydrocarbon exploration due to discovery in Masela Block. Several oil and gas seeps discovered in southern of Timor Island that indicate active petroleum system. Source rock is the most important element in petroleum system. Therefore, source rock ...

Oleh: Udhi C. Nugroho;Bambang Trisakti

Abstraksi : Indonesia has big potential of energy and minerals. The mining industry contributes about 11.2% of Indonesia's export value and about 2.8% to gross domestic product (GDP). But on the environmental side, mining is considered the most destructive compared to other natural resource exploitation ...

Oleh: Carolus Prasetyadi;Muhammad Gazali Rachman;Satrio Esti Hapsoro;Fredy

Abstraksi : The development of technology causes ease in every work field including the field of Geology. The presence high resolution satellite image and drone can be used to make a virtual model of geological outcrop in the field. Geologists can easily observe a particular research area in a more detail way. ...

Oleh: Marini Mawaddah;Marsya Alifiana As’ad;Damian Pascal C. Ginting

Abstraksi : Indonesia needs big discoveries and new developments in the oil and gas sector, but it is currently underinvesting in exploration and development. Year of 2016 is the turning point of oil and gas industry in the country prior to the very minimum exploration activities. These activities remain in ...

Oleh: Mawar Indah Nursina;I.G. Aditya Surya Wibawa;Annisa Mutiara Badri;Davis Reza Siregar

Abstraksi : Gumai Formation is a proven oil and gas play in Jabung subsurface that has a moderate level of complexity. This formation is shale dominated that has quite complex reservoir distribution with lenses shape. Crossplots of density and impedance in several wells clearly shows separation between sand ...

Oleh: Andrie Gelar Sukendar;Setyo Sapto Edi;Agung Adi Susanto;Wahyu Triyoso

Abstraksi : Accurate pore pressure prediction could prove pivotal, both to mitigate drilling hazard as well as to determine the geological condition in the prospective area. Pore pressure prediction can be calculated by several methodologies, and in certain condition, as in our study, can be obtained from ...

Oleh: Dadan DSM Saputra;Sugihardjo;Edward ML Tobing;Danang Sismartono;Wanda Ali Akbar

Abstraksi : The study will focus on the result of feasibility study of pilot scale CO2 injection in X Field, South Sumatera, which consists of field screening suitable for CO2 injection in South Sumatra, Geologic Geophysic Reservoir (GGR) study of X Field Y Layer and the economic analysis that covers the CO2 ...

Oleh: RM Iman Argakoesoemah

Abstraksi : Papua Fold and Thrust Belt (Papua FTB) in East Papua Island, Indonesia, remains under-explored as only few wells have been drilled in this thrust belt. Papua FTB extends toward east across the international border between Indonesia and Papua New Guinea and merges with Papua New Guinea Fold and ...

Oleh: Adi Nugroho Setyo Utomo

Abstraksi : Penggunaan metode inversi non-linear yang merupakan proses optimasi pencarian parameter terbaik dalam ruang model adalah satu-satunya cara untuk menemukan solusi model yang diinginkan. Dengan situasi yang menantang di dunia minyak dan gas saat ini, pengembangan teknologi berbasis multidisipliner ...

Oleh: Mellinda Arisandy;Wayan Darma;Wahyudin Nasifi;Haryono Haryanto;Indah Edria Amorita;Widiastuti Nur Farida

Abstraksi : The Pliocene Mundu Member Globigerina limestone is one of the main gas producers in East Java Basin. The highly porous reservoir has highest success rate compared to other plays in Offshore East Java. Significant remaining gas prospective resources is estimated ~450 MMBOE, which is very important ...

Oleh: Hamdan Yudanto Muttaqin;Isthova Haqi;Permadi Prio Utomo;Taufik Muhamad Andrianto;Wayan Mahendra Ernata

Abstraksi : Reporting system is one of best way to report any kind of Oil & Gas operation in daily, weekly and monthly. By its procedure, the Production Sharing Contract (PSC) Contractor must follow the regulation of reporting system. In Indonesia working area, SKK to Migas is Special task Force for Upstream ...

Oleh: Eri Sarmantua Sitinjak;Benyamin Sapiie;Agus M. Ramdhan;Mahmud Harianto;Wildan Somantri;Mochamad Nurcahyo

Abstraksi : The field study is in onshore Northeast Java basin, targeting Pleistocene sediments dominated by volcanoclastic rock, known to be over-pressured and surrounded by mud volcanoes. Five wells had been executed since 2001 in Tanggulangin field that encountered significant problems requiring ...

Oleh: M. Reza Syaputra;Yudi Herdiana;Arief Yoga Benigno;Rulliyansyah;Yulian Wahyudi

Abstraksi : Pore Pressure Prediction is an important process in exploration and drilling, pore pressure prediction that both will be able to optimize drilling in an area such as plan of casing design, and mitigation of overpressure as a drilling hazard. Pore pressure can be transformed from velocity cube that ...

Oleh: Jundiya Al Haqiqi;M. Frasetio Pambudi;Muhammad Ridha;Yeremia Billy

Abstraksi : Deep-water exploration of oil and gas is still become a challenge nowadays, especially in determining the good quality physical properties and big volume architectural reservoir. The outcrop-based analog is one of the ways that can be used in determining a deep-water reservoir target. The results ...

Oleh: Wisnu Adi Nugroho

Abstraksi : In drilling operation, gas kick is not an event to be expected. Gas kick tends to mix with oil base mud, axecerbate the problem. One of main challange in gas kick is to predict rising speed of gas kick expecially in well with oil base mud. During well control, bottom hole pressure should be managed ...

Oleh: Fitriani Agustin;Akbar Cita;Sonia Rijani

Abstraksi : The research areas are in the Sunda Volcanic Complex (OVC) located in the northern of Bandung basin. This paper aims to classify the volcanic products in SCV based on morphostratigraphic principle using remotely sensed data and secondary field data. The data contains of two imageries; optical ...

Oleh: Esti Handini;Nugroho Imam Setiawan;Salahuddin Husein;Permana Citra Adi;Hendarsyah

Abstraksi : Pegunungan Garba di Provinsi Sumatera Selatan merupakan suatu pegunungan inlier yang menyingkapkan batuan-batuan berumur pra-Tersier, yang menjadi alas bagi Cekungan Sumatra Selatan. Penelitian petrologi basement masih sangat jarang dilakukan di daerah ini, padahal peran basement dalam eksplorasi ...

Oleh: Andi Kurniawan;Andika Hutasoit;Halley Rionanda;Mohammad Adityo K

Abstraksi : Tambang Pongkor terdapat di wilayah Kecamatan Nanggung, Kabupaten Bogor, Provinsi Jawa Barat. Tambang Pongkor ditemukan pada tahun 1988 melalui metode sistematik stream sediment. Penambangan dimulai pada tahun 1992 dengan reserve 4,79 Mt @ 14,30 g/t Au dan 152,97 g/t Ag dengan cut of grade 4 g/t, ...

Oleh: Muhammad Rusli Muin;Subagyo Pramumijoyo;I Wayan Warmad;Wiwit Suryanto

Abstraksi : Over 25 oriented samples of igneous rocks of Pliocene to Oligocene age were collected along the outcrop in the Palu-Koro Fault Zone (PKFZ), in an attempt to detect the process of tectonic rotation of Sulawesi Island from the paleomagnetic analysis. Alternating Field demagnetization was successful ...

Oleh: M. Isnain Al-Rizqi;Humaam Abdullah Lubis;Mochammad Nukman

Abstraksi : Tanah pada daerah Kalibawang terus bergerak sejak tahun 2010 hingga sekarang mengakibatkan amblesan dan retakan di sekitar bangunan yang berbahaya jika terus dibiarkan. Fracture mapping dalam skala detail dilakukan di daerah ini dengan memetakan rekahan pada bangunan dan infrastruktur. Bearing ...

Oleh: Zunarto Saputra;Syaiful Alam

Abstraksi : During late miocene time, vulcanism activity in Java has increased. The evidences of this process are recorded properly in Cantayan Fomation, Bogor trough. While in the northern Java, at same time was not found volcanic material. It is means there are more than one mechanism of transport process in ...

Oleh: W. Kusdyantono;M. Nukman;I. Suyanto

Abstraksi : Paningkaban and Cihonje are mineralization type epithermal low sulfidation gold deposits. It distinguished by the existence of gold-Au, electrum-AuAg, silver-Ag, pyrite-FeS2, arsenopyrite-FeAsS, galena-PbS, and chalcopyrite-CuFeS2 in the argillic alteration zone. Investigation of the mineralization ...

Oleh: Satriya Alrizki;Abi Dzikri;Yusuf Darnanto

Abstraksi : In the nickel exploration activities, drilling method is the most effective method to provide an information in the form of factual drill logs that directly shows the depth, thickness, and type of lithology of any layer on laterite nickel ore system (OB-limonite-saprolite-Bedrock). However, the ...

Oleh: Tri Sunarno Irianto;Aji Rahmat Ginanjar

Abstraksi : Solo Field is one of hydrocarbon producers in Central Sumatra Basin. Primary reservoir is from Lakat Formation. Many well has been drilled and produces heavy oil. The biggest challenge is to understand geological model of reservoir body and reservoir characterization to enhance production and ...

Oleh: Shindy Rosalia;Tedy Yudistira;Phil R. Cummins;Sri Widiyantoro;Andri D. Nugraha

Abstraksi : Western Java, Indonesia, has at least three important active faults: the Cimandiri, Lembang, and Baribis Faults, which pose a great danger for the cities near them. It is crucial to have a better understanding of shallow crustal structure to delineate active faults and deep basins in order to ...

Oleh: Roy Arthur Sitorus;Achmad Mansur;Zahazny Rahamanda;Ichromi Zamzami

Abstraksi : There comes a point in the life of the well when artificial lift technologies become a necessity due to lack of required natural energy from reservoir to sustain production targets. Electrical Submersible Pump (ESP) is one such technology and is quite often commonly considered to be an optimum ...

Oleh: David P. Sahara;Sri Widiyantoro;Andri D. Nugraha

Abstraksi : The in-situ stress along the Great Sumatran fault is assumed to be strike-slip, and the maximum principal stress is oriented N15°E. This is confirmed by the World Stress Map data on a regional scale. However, this estimation neglects the local impact of fault branching and material heterogeneity ...

Oleh: Mill Sartika Indah;M.Natsir;Fahyani Suwidiyanto;Suwarta;Fatrial Bahesti;Darwin Kadar

Abstraksi : Reservoir batupasir Formasi Baong merupakan lapisan batupasir berbutir halus yang berselang seling dengan batu lempung dan batu lempung napalan yang kaya foraminifera yang berkembang di bagian bawah Formasi Baong yang berumur Miosen Tengah-Miosen Atas. Reservoir batupasir Formasi Belumai ...

Oleh: Sandy H.S. Herho;Wahyu Dwijo Santoso

Abstraksi : Geological conditions of Karimunjawa Archipelago, particularly Karimunjawa and Kemujan, is still very rare to be investigated. Besides the potential of natural resources in these islands has never known and discussed in detail. From the results of geological traverse at Karimunjawa and Kemujan ...

Oleh: Ratih Sukma Prabaningrum;Hafidz Dezulfakar;Nova Linzai;Firman Syaifuddin;Widya Utama

Abstraksi : S-wave is rarely used on seismic exploration in Indonesia, because it’s quite expensive (if compared with P-wave), so it was estimated not effective to find the presence of hydrocarbon reserve which still can be found relatively easy just by utilizing P-wave. However, the increasing of ...

Oleh: Sri Hartanto;Benyamin Sapiie;Indra Gunawan;Bintoro Wibowo1

Abstraksi : Subsurface geological modeling of Kujung reef formation at JS-1 ridge only controlled by stratigraphic aspect without considering of structural aspects and made fault as boundary of oil and gas field. Fault Seal Analysis in carbonate using shale gouge ratio (SGR) method (Yielding, 1997) with major ...

Oleh: Bastian Andoni

Abstraksi : Oil based drilling mud has been extensively used all around the globe since its emulsion is very stable against contaminant. The main role of drilling mud is to circulate drilled cuttings back to the surface. The lifted cuttings will become waste and must be separated from the original drilling ...

Oleh: Galang P. Adi;Anggoro P. Kurniawan;Wahyuni T. Sundari;Maikel Arifin;Muharram J. Panguriseng;Sri Hartanto

Abstraksi : Pliocene deep marine channels system was introduced recently as a new exploration play in Banggai-Sula foreland basin of Matindok Block. Evaluation in geophysical aspects were done in order to get the clue in reservoir properties distribution and the possibility of hydrocarbon occurrence. Two of ...

Oleh: Farid Dasa marianto;Anwar Sadat;Danastri Kusuma;Luhut P.

Abstraksi : Pangkah PSC has proven to produce oil and gas from Early Miocene of Kujung 1 limestone and followed up by the discovery of CD carbonate in Sidayu structure. One of the key factor which support Kujung 1 and CD carbonate reservoir performance is reservoir quality. Secondary porosity is one of the key ...

Oleh: Reza Armanda;Sri Hartanto;Ennur Kusumawijaya;Jaenudin;Billy Harnest;Teddy Irano

Abstraksi : Tiaka Field is anticline thrust fault structure that located at the offshore Toili Block operated by JOB Pertamina-Medco E&P Tomori Sulawesi. Geologically, block is located in a tectonically complex area at the eastern arm of Sulawesi, formed by a collision process between Banggai –Sula ...

Oleh: Herning Dyah Kusuma Wijayanti;Moch. Indra Novian

Abstraksi : West Progo Mountains is interpreted by the previous authors as a south – north trending elongate dome. This Mountains regionally composed of volcanic rocks such as andecite breccia, tuff, lapili, aglomerate and andesite lava which deposited during the Oligocene-Miocene age based on the ...

Oleh: Isnianto Saputra;Avesta Y. Prasetya

Abstraksi : Tarakan basin is a sedimentary basin in Indonesia which has produced hydrocarbon since the early of 20 century. Most of wells around the basin is just penetrated into Bunyu/Tarakan Formation (Pliocene) and Tabul/Meliat Formation (Miocene). However, the basin has opened since Paleogene time, which ...

Oleh: Ari Yusliandi;Frillia Fitriani Putri Nasution

Abstraksi : Isolated platforms become important hydrocarbon reservoir today. It is consisting of shallow water carbonate sediments with the grain size variability depending on different depositional settings as primary factor of the porosity and permeability heterogeneity. Shelf-margin reef and reef sand ...

Oleh: Rahmat Budiana;Amin Bunyamin;Ivan Nugraha;Roby Insan Kamil;M. Reza Adhyatma;Rully Firmansyah

Abstraksi : Cekungan Jawa Barat Utara merupakan cekungan yang prolifik minyak dan gas bumi dengan target utama reservoar dengan umur Miosen dan Oligosen. Selama masa eksplorasi dan produksi NWJ Basin, shallow gas merupakan hazard yang dihindari pada saat pengeboran. Namun hasil evaluasi isotop gas di salah ...

Oleh: Dwiharso Nugroho;Hanif Sulaiman;Faridz Nizar Ahmady

Abstraksi : This Research is based on comprehensive analysis of some stratigraphic sections, 100 meters continuous core of a shallow well bore and more than sixty thin sections in two different area (Cikamuning and Gn. Hawu) in Padalarang, West Java. Previous study concluded that those two outcrope are ...

Oleh: I Gusti Agung Aditya Surya Wibawa;Beiruny Syam;Andri Syafriya;Mohammad Risyad

Abstraksi : Gumai Formation is the most prolific reservoir and the primary exploration target in South Sumatra Basin. Marine condition was established during the continuation of transgression sequence led to open marine facies deposition in Early Miocene. Sandstones thickness and quality increased ...

Oleh: Shidqi Anugrah Diria;Widyo Permono;Jakson Anwari;Humbang Purba;Junita Trivianty Musu

Abstraksi : Sula Basin is one of frontier area in exploration, therefore subsurface data as seismic and well is so minimum. Because of that one of geophysics method that can be used is satellite gravity which can describes subsurface condition based on gravitational acceleration. To get a Complete Bouguer ...