Oleh: Teguh F.;Agus H.P.

Abstraksi : Jabung Block is a part of Jambi sub-basin, representing the Northern flank of South Sumatra Basin as one of the hydrocarbon prolific in Indonesia back-arc basin. Most of the oil and gas production came from Talang Akar sandstone reservoir and also Air Benakat sandstone and Gumai sandstone as ...

Oleh: Deddy Hasanusi;Agus Priyantoro

Abstraksi : The Mentawa Reefal Build-up member and Minahaki carbonate sequences are the main hydrocarbon bearing reservoir of the Senoro field, in the Block Senoro-Toili,Central Sulawesi of the eastern Indonesia, especially in the Banggai- Sula basin. Carbonate reservoir of Mentawa member of Minahaki Formation ...

Oleh: Fatrial Bahesti;Taufiqurrahman;Anggoro Prima K

Abstraksi : Gejala shale diapir Formasi Baong diamati pada data seismik di daerah onshore Cekungan Sumatra Utara. Shale diapir ini ditandai oleh kenampakan reflektor seismik chaotic yang meng-intrusi lapisan sedimen di atasnya (Formasi Keutapang dan Seurula) dari kedalaman sekitar 2500-3000ms sampai ke ...

Oleh: Maulana Jati Perdana;Hendra Amijaya

Abstraksi : Many oil and gas seeps have been found in West Sulawesi area. One of them is at Paniki River, Mamuju. This research is mainly focused on geochemical identification to determine source possibility of seep oil from Paniki River using gas chromatography-mass spectrometry (GC-MS) analyses. Early ...

Oleh: Awang Harun Satyana

Abstraksi : "Wallace's Line", line of dividing faunal distribution in central Indonesia, came into being in 1863 and was named after Alfred Russel Wallace, the great English naturalist travelled Indonesian islands from 1854-1862. This was all biologic line but since the beginning, Wallace thought that the line ...

Oleh: V.Bonny Indranadi;C.Prasetyadi;Budianto Toha

Abstraksi : This study uses the concept of pull-apart basin to explain the geological history of Yogyakarta area. The Opak-Muria Fault addressed as Principles Displacement Zone (PDZ) of Java Island NE-SW trending major structure, which has been attributed to be associated to Yogyakarta pull-apart basin. ...

Oleh: Agung Budiman;Awali Priyono;Ari Samodra;Fatkhul Mu’in;Musalam Latuconsina

Abstraksi : The development of structural and heterogeneities of basement lithology in Pangea Block (PB) had a complex geological history. The application of conventional seismic method for naturally fracture mapping could not be directly conducted due to dimension of fracture that below the seismic ...

Oleh: Taufiq Lubis;Dian Kurniawan;Helby Ellen

Abstraksi : “M” Field is located in Tarakan Island. Activity in the field commenced in 1984 by drilling M-1 well. Since then a total of 30 wells have been drilled in “M” Field. Generally, reservoirs can be divided into two depositional environment groups: fluvial dominated influence for upper reservoir ...

Oleh: Jonatan Kristian;Tadeo Ditia

Abstraksi : Coal Bed Methane (CBM) is the methane gas (CH4) stored in coal seams. The coal seams located between 100-300 meters potentially capable of producing the CBM. The CBM over recent years has become one alternative candidate fossil energy needs, which oil and gas reservoirs get decreasing production ...

Oleh: Andi Noventiyanto;Indra Wahyudi

Abstraksi : Sebuku-1 well was drilled by ARCO in 1976. Numerous hydrocarbon shows were encountered in the Tabul and Meliat Formations. In Sebuku-1 well, 33 sidewall core samples were taken and analyzed for light hydrocarbon yields. Data analysis showed that Heptanes accumulation was higher than many dryhole ...

Oleh: Warto Utomo;Dwi Hendro H N;Kristian Simanjutak;Andi Krisyunianto;Andang Bachtiar

Abstraksi : The Central Sumatra Basin is part of a back arc basin located on the southwest edge of the Sunda Shelf. This basin represents the largest oil-producing basin in Indonesia. Petroleum system in Central Sumatera Basin showed that Sihapas Formation is good reservoir, and most explorationists concern ...

Oleh: Guntur, A.;Sriwijaya;Ruswandi, A.;Setyoko. Y.

Abstraksi : Banyumas Sub-basin is a hydrocarbon bearing area as indicated by numerous oil and gas seepages found in the surfaces. Several wells have been drilled in this area but unfortunately failed to discover hydrocarbon. Structural patterns developed in this sub-basin are characterised by commonly ...

Oleh: Emi Sukiyah;Nana Sulaksana;Mega F. Rosana;Adjat Sudradjat;Ildrem Syafri

Abstraksi : Jawa Barat Selatan memiliki keterbatasan terutama topografi terjal dan kesuburan tanah pertanian yang rendah. Morfologi bergunung dengan lembah yang sempit dan berjeram merupakan tempat yang sesuai bagi pengembangan energi mikro-mini hidro. Karakteristik sumberdaya geologi terdiri atas ...

Oleh: John Jacques;Panji Poluan;Awang Harun Satyana;Paul Jacques

Abstraksi : The Sebatik and Nunukan Islands occur in the northern part of the Tarakan Basin (Figure 1), Eastern Kalimantan, within a major oil and gas producing province that has been established for almost a century. The oil and gas accumulations, such as on the Tarakan and Bunyu Islands (Figure 1), were ...

Oleh: Agung Naruputro;Wahyudi Malik;Eddy Priowasono;Dudy Setyandhaka;Johan Arif and Nusa Kusuma

Abstraksi : Mine geologists have a significant role in assisting mine engineers, metallurgists and other professionals in performing daily mine management duties. Mine geologists have a key role in supply chain buffering, storage, metallurgical accounting, quality and blend management as well as being critical ...

Oleh: Kyaw Linn Zaw;Lucas Donny Setijadji;Wayan Warmada;Koichiro Watanabe

Abstraksi : The petrogenesis of subduction-related magmas is a longstanding problem in igneous petrology. One of the key goals of research on subduction-related magmas is to produce a coherent geodynamic model of the subduction process that can explain this wide variety of magma compositions. Adakite is one ...

Oleh: Hartono;Okki Verdiansyah;I Made Surata

Abstraksi : Eksplorasi tembaga dan emas dilakukan sejak 2009 pada area 200.000 hektar, yang berlokasi pada daratan tinggi Papua, Kabupaten Pegunungan Bintang. Berada pada 2700 – 4200 meter diatas permukaan laut (mdpl). Cebakan porfiri dan skarn berada pada perlipatan dan patahan batugamping dan intrusi ...

Oleh: Satriya Alrizki;Okki Verdiansyah;Joko Hariadi;Lukman Effendi;Bayu Aji

Abstraksi : A detail geological investigation has carried out in Kemawi, Banyumas, Central Java for prospecting the indication of gold mineralization. Geological investigation has resulted several prospect areas such as Wanasari, Wagir and Poncol. The prospect area did not show very clearly the outcrop ...

Oleh: Asmariyadi;Rohaya Langkoke;Adi Maulana;Irzal Nur;Wisnu Astaman

Abstraksi : Administratively the study area is located in Moncong Bincanai, Biringbulu District of Gowa Regency, South Sulawesi Province, Indonesia. Mineralization in the study area is a vein type, with the orientation of N170oE /65oSW, hosted in open-space filling within basalt. The mineralization consists of ...

Oleh: Udrekh;H. Tokuyama;J. Ashi;Y. Nakamura

Abstraksi : Natural gas hydrate is believed to become a future alternative energy. Preliminary estimation of resources of this gas in the earth is about 1015-10E17 cubic meters. This volume is two times bigger than recoverable and non recoverable fossil fuels. Gas hydrate can be detected primarily by the ...

Oleh: Westly Randa

Abstraksi : The aim of this study to predict the gold recovery (AuCN/Au) in three different domains, which are Alunite (COG 0.3ppm Au), Gold (COG 0.5ppm Au) and Silica (COG 1ppm Au). The gold recovery prediction by using Ordinary Kriging (OK) and Ordinary CoKriging (COK), will take into account the spatial ...

Oleh: Sari Agustini;Bajanuddin Tambun;Nur Afrianti Saala;Rusman Rinawan

Abstraksi : Geologically, the ultrabasic rocks at Wawonii is particularly a part of the large body as segment of Mesozoic ophiolite unit which occurs in Eastern Sulawesi. This ophiolite rocks has been obducted and settled on the Sulawesi and Banggai Sula microcontinents since Late Pliocene. The thickness ...

Oleh: Sufriadin;Arifudin Idrus;Subagyo Pramumijoyo;I Wayan Warmada;Irzal Nur;Akira Imai

Abstraksi : Mineralogical characterisation of some garnierite samples from Soroako have been conducted using XRD, thermal analysis and FTIR spectroscopy. X ray diffraction patterns reveal the samples mainly containing the mixture of kerolite (talk-like phase) and serpentine with minor smectite, sepiolite and ...

Oleh: Dian Hakim;Andreas Sugiyanto;Iwan Sriyanto;Lasito Soebari

Abstraksi : The Deep Ore Zone (DOZ) mine is a block caving underground mining operation exploiting a reserve of 131 million tons at grades 1.06% copper and 0.81g/t gold in the lower portion of the East Ertsberg Skarn System (EESS). The mine is run by PT Freeport Indonesia started in 2000 with production rate ...

Oleh: Andreas Sugiyanto;Dian Hakim,;Iwan Sriyanto;Lasito Soebari

Abstraksi : South fault is a major structure zone east-west trending dipping to north, formed as left lateral strike slip faulting when Erstberg intrusion emplacement and cooling phase is underway. South fault spatially control and influence grade distribution in DOZ. This fault is observed in ...

Oleh: Heryadi Rachmat;Nurudin Diding Somantri;Samsul Ma’arif;Radius Ramli H;Kusnadi

Abstraksi : Irrefutable fact that mining activity have been ongoing since prehistoric time of human life, it’s evident from discovery of many kind of tools or equipment which was made from the stone. Even in modern times human life can not escape from the mine, to support the fulfillment of daily needs, ...

Oleh: I Gede Made Suasta;Giri Hartono

Abstraksi : The Kaputusan copper-gold porphyry prospect is located in Bacan Island, South Halmahera Regency, North Maluku Province, Indonesia. Prospect geology is comprised of a series of volcanic rocks intruded by a least three types of Neogene-aged, intermediate intrusive rocks. Bacan Island is located at ...

Oleh: Wahyudiono J.;Abdullah C.I.;Abidin H.Z.

Abstraksi : Lokasi penelitian terletak di daerah Kutawaringin, sekitar 3,5 kilometer dari Kota Soreang, Kecamatan Soreang, Kabupaten Bandung. Daerah ini dapat dicapai dengan mobil dan sepeda motor melalui jalan aspal yang baik. Namun untuk mencapai lokasi hanya bisa dilakukan dengan berjalan kaki. Tujuan ...

Oleh: Abdul Rauf;Mukti Mylar;St. Aisa Gaspa

Abstraksi : In mining practices, rock boulder proportion within ore layer of Unserpentinised peridotite type nickel deposite in Soroako area is considered as important issues due to it will affect mine production achievement. There are at least three aspect will affect ; SSP/ROM ratio, digging fleet ...

Oleh: Elwin Elbur

Abstraksi : Tambang Emas Pongkor merupakan salah satu tambang emas milik PT. ANTAM. Tbk yang terletak di Kecamatan Nanggung, Kabupaten Bogor, Provinsi Jawa Barat dengan cadangan emas terkandung sebesar 100 ton. Mineralisasi emas diendapkan bersamaan dengan vein kuarsa dan kuarsa-karbonat, membentuk pola ...

Oleh: Hendri Silaen;Pramuji;Arjuna Ginting;Dewa Widyanto;Ivan Waromi

Abstraksi : Grasberg open pit mining operation is located at 4000m high mountainous region with average 4000mm annual rainfall and complex geology and hydrological setting. Over next 5 years, the important ore production will be developed at south west sector of Grasberg pit. This sector is characterized by ...

Oleh: Rainer Arief Troa;Haryadi Permana;Eko Triarso;Sugiarta Wirasantosa;Budi Sulistiyo

Abstraksi : Ekspedisi INDEX-SATAL 2010 telah mengungkapkan fenomena aktivitas hidrotermal di bawah perairan barat Kepulauan Sangihe pada Gunungapi Bawah Laut Kawio Barat dengan puncaknya yang berada pada kedalaman laut sekitar 1860 m dan kakinya pada kedalaman sekitar 5400 m. Penyelaman ROV (Remotely Operated ...

Oleh: Irzal Nur;Arifudin Idrus;Subagyo Pramumijoyo;Agung Harijoko;Akira Imai;Sufriadin

Abstraksi : The Baturappe prospect located at southern part of Sulawesi island, Indonesia, is a hydrothermal mineralization district which is characterized by occurrence of silver-base metal deposits. The mineralization is hosted in basaltic-andesitic volcanic rocks of the late Middle Miocene Baturappe ...

Oleh: Musri;Emmy Suparka;Badjanudin Tambun

Abstraksi : Daerah Latuppa, Palopo, terletak di Pulau Sulawesi, sekitar 1500 km timurlaut Jakarta atau sekitar 350 km utara-timurlaut Makassar, Sulawesi Selatan. Hasil eksplorasi pendahuluan endapan emas dan mineral pengikutnya yang dilakukan PT. Aneka Tambang (Persero) Tbk. Antara tahun, 1999-2000, membagi ...

Oleh: Joko Soesilo;Emmy Suparka;Chalid Idham Abdullah

Abstraksi : Turmalin sebagai mineral asesori didapati dalam batuan metamorfik tekanan tinggi pada Komplek Melang Bantimala, Sulawesi Selatan. Keberadaan mineral tersebut dalam himpunan hanya sedikit, berwarna gelap, berbentuk prismatik, berukuran halus dan sukar diamati dengan mata telanjang. Pengamatan dengan ...

Oleh: Rizkyani Widyanti;Mawarni Narulita;Trias Sidharta;Andang Bachtiar

Abstraksi : Oil and gas upstream business commonly has a characteristic of high risk, high investment and high technology, but the business could also granted a high return if successful in finding oil and/or gas. The type of business is a long term investment due to the oil and gas production yield which ...

Oleh: Arifudin Idrus;Sufriandin;Irzal Nur

Abstraksi : This paper is aimed to review the potential and metallogenesis of hydrothermal-related ore deposits which are particularly occurred along Neogene magmatic arc of Western Sulawesi and Paleozoic metamorphichosted arm of Southeastern-Central Sulawesi. The Western Sulawesi arc can be devided into ...

Oleh: I Wayan Lugra;Udaya Kamiludin;I.N. Astawa

Abstraksi : Indikasi keterdapatan emas dan perak di Teluk Sampit cukup kuat karena daerah penelitian merupakan endapan fluviatil terdiri dari pasir lepas berwarna kuning muda sampai abu-abu pucat, oksida besi, dan kaolin yang memiliki sebaran makin mendangkal ke arah laut. Kadar emas dan perak tertinggi ...

Oleh: Noor Cahyo D. Aryanto;M.Salahudin

Abstraksi : Pemberlakuan Undang-Undang Pertambangan Mineral dan Batubara atau yang dikenal dengan UU Minerba, yang telah disahkan dan diundangkan awal 2009 yang kemudian dilanjutkan dengan dikeluarkannya PP No. 22 tahun 2010 tentang Wilayah Pertambangan (WP) mengamanatkan dengan jelas peluang ...

Oleh: Rusiana Permana;Wanda Ilham Dani;Erric Sukmawan

Abstraksi : Cadangan emas pada beberapa daerah prospek di Ampar berasal dari beberapa vein kuarsa yang relatif berjajar secara paralel dengan arah dominan Utara-Selatan. Tipe mineralisasi pada prospek Ampar merupakan tipe epitermal sulfidasi-rendah. Mineralisasi berupa kuarsa dan mengisi rekahan-rekahan ...

Oleh: Erric Sukmawan;Eratmadji;Sufi

Abstraksi : Penelitian mineralisasi vein Kesirih Kiri pada level permukaan merupakan hal yang sangat menarik, permasalahan utama yang dibahas adalah perbedaan karakteristik vein meliputi ; alterasi, zonasi tektur vein, zonasi temperatur homogenitas dan salinitas fluida, kadar logam berharga. Terdapatnya ...

Oleh: Nur Afrianti Saala;Yulia Febri Yeni;Ruri Pitaloka;Hartono;Okki Verdiansyah

Abstraksi : Daerah Ok Sibil termasuk dalam wilayah Izin Usaha Pertambangan PT ANTAM Tbk. Skarn pada daerah penelitian merupakan batuan metasomatik yang terbentuk karena adanya kontak antara Intrusi DioritGranodiorit berumur Pliosen dengan Batugamping Tersier (Formasi Batugamping Yawee berumur EosenMiosen ...

Oleh: I Gede Made Suasta;Iswahyudi Agus Sinugroho

Abstraksi : The Wonogiri prospect is located in the south eastern part of Central Java province approximately 30km south of the city of Solo. Exploration by MMG commenced mid 2009 and included regional and semi detailed geological mapping, stream and soil geochemistry, ground magnetic and completion in 2010 ...

Oleh: Andi Kurniawan;Muhammad Akbar;Hartono

Abstraksi : Kegiatan penyelidikan geofisika Induced Polarity (IP) dan Controlled Source Audiomagnetotelluric (CSAMT) dilakukan di Cibaliung, Kabupaten Pandeglang, Provinsi Banten. Tujuannya untuk melokalisir alterasi, mineralisasi dan struktur geologi dengan cara melihat hubungan antara anomali tahanan ...

Oleh: D.I. Setiawan;N.R. Herdianita

Abstraksi : Pemetaan manifestasi panas bumi di daerah penelitian menunjukkan kehadiran beberapa manifestasi aktif berupa mata air panas dan fumarola di daerah Balla dan Cepeng, serta manifestasi fosil berupa alterasi hidrotermal di daerah Balla dan Kawah. Mata air panas bertemperatur hingga titik boiling, ...

Oleh: Evi Puspasari Nurfalah;R. Irvan Sophian;Mega F. Rosana

Abstraksi : Daerah kajian termasuk dalam Formasi Honje yang terdiri atas lava andesit-basalt, breksi volkanik sisipan sedimen tufaan, dan asosiasi intrusi andesit-diorit dengan Heterolithic Milled Matrix Breccia (HMMB) atau diatrem. Formasi ini terlipatkan dan tersesarkan dengan orientasi sesar berarah ...

Oleh: Adjat Sudradjat;Emi Sukiya;Mega Rosana Fatimah;Nana Sulaksana

Abstraksi : The mining industry in Indonesia covers both hydrocarbon and minerals which is respectively regulated under the law of oil and gas No. 22/2002 and the law of minerals No. 4/2009. In addition the Law No. 23/2003 regulates the harnessing of geothermal energy. Those regulations state that the ...

Oleh: D.R. Panggabean;L.D. Setijadji;I.W. Warmada

Abstraksi : This research is a preliminary study about heavy minerals composition in quartz sand deposits which are derived from Mesozoic granitic rock in Western Indonesia. Samples were collected from Sibolga and Tanjung Balai in North Sumatera province, Bangka island, and Kuala Kurun area in Central ...

Oleh: S. Husrin;A. Strusinska;A. Hoque;H. Oumeraci

Abstraksi : The use of coastal forest vegetations such as mangrove forests has been increasingly favoured as one of environmentally-friendly measures for coastal areas in mitigating extreme weather events such as storm waves. Though extensive laboratory studies, numerical modelling and field measurements ...

Oleh: Herry Purnomo;Nana Rukmana

Abstraksi : Terjadinya semburan lumpur pada gunungapi lumpur (mud volcano) yang disertai longsoran di wilayah Kecamatan Semalo dan Semau, Kabupaten Kupang, Provinsi Nusa Tenggara Timur menyebabkan terjadinya kekhawatiran masyarakat setempat tentang terjadinya bencana alam yang lebih besar. Untuk ...

Oleh: Septriono Hari Nugroho

Abstraksi : Penelitian terkait penanganan kenaikan muka air laut di kawasan wisata Pantai Alam Indah Kota Tegal dilakukan dengan kajian tentang geomorfologi pantai. Metode yang digunakan adalah survei lapangan dengan analisis deskriptif korelatif yaitu pengamatan kondisi geomorfologi pantai dan pembuatan ...

Oleh: Kaharuddin MS;Ronald Hutagalung;Nurhamdan

Abstraksi : Pulau Sulawesi terletak pada zona pertemuan diantara tiga pergerakan lempeng besar yaitu pergerakan lempeng Hindia Australia dari selatan dengan kecepatan rata 7 cm/tahun, lempemg Pasifik dari timur dengan kecepatan sekitar 6 cm/tahun dan lempeng Asia bergerak relatif pasif ke tenggara.Posisi ...

Oleh: Andriansyah;Yan B. Panggabean;Ruben Damanik;Hengki E. Putra;Fiza W. Atmaja;MT. Zen

Abstraksi : Historical tsunami events in south coast of Central Java in 1840, 1859 and 1921 were reported on Newcomb and McCan (1987). Height of wave, coverage of affected area and level of damage from these events were explained qualitatively in that paper.MAIPARK’s team conducted paleotsunami surveys ...

Oleh: Supriyanto Rohadi;Sri Widiyantoro;Andri Dian Nugraha;Masturyono

Abstraksi : Akurasi dalam penentuan sumber gempa ditentukan oleh beberapa faktor, seperti geometri jaringan, fase gelombang yang ada, akurasi pembacaan waktu tiba dan model struktur kecepatan. Penentuan struktur kecepatan dengan menggunakan tomografi waktu tunda (delay time) belum memanfaatkan perkembangan ...

Oleh: Hananto Kurnio;I Nyoman Astawa

Abstraksi : Marine Geological Institute of Indonesia had conducted a research on gas and mud blow out in Pontang Area, Banten Province. At the beginning, the research was meant to find out biogenic gas to be utilized for the local community. The research included mapping of gas potency and feasibility ...

Oleh: Asri Jaya;Osamu Nishikawa

Abstraksi : A small exposure of metamorphic rocks (Biru metamorphic rocks) occurs in the Biru area, South Sulawesi, lying adjacent to a prominent topographic lineament along the West Walanae Fault (WWF) on the eastside, which is dividing between western mountain range and the Sengkang basin. The ...

Oleh: A. Soehaimi;Marjiyono;Soemantri P;Kamawan

Abstraksi : Pemerintah Republik Indonesia merencanakan pembangunan jembatan Selat Sunda di dalam lingkup geotektonik aktif sistim tunjaman asimetri Busur Sunda antara Lempeng Tektonik Samudera HindiaAustralia dengan Lempeng Tektonik Benua Asia yang membentuk elipsoida strain prisma akrasi di busur ...

Oleh: Heryadi Rachmat;Igan S. Sutawidjaja;A.D. Wirakusumah;Karel I. Suratno

Abstraksi : Gunung Kerinci 3805 m dpt merupakan gunung api tertinggi di tndonesiapada posrsi 1"41'50'LS dan 101"15'52.8T, pada sebelah timur gunung api ini terdapat Kaldera Gunung Tujuh dan mempunyai danau kawah yang disebut Danau Gunung Tujuh dan merupakan danau tertinggi di kawasan Asia Tenggara. Kawah ...

Oleh: T.T. Putranto;T.R. Rude

Abstraksi : Water becomes a major problem related to the increasing population and converting land used in Semarang Demak basin. Groundwater modeling is one of the main tools used in the hydrogeological sciences for the assessment of the resource potential and prediction of future impact. Understanding of ...

Oleh: B. Nurdiyanto;B. Sunardi;D. Ngadmanto;P. Susilanto;H. Harsa;S. Noviati

Abstraksi : The purpose of this study is to analyze the predictability of earthquakes within a short-term and mid-term scale in the western part of Java using various parameters, i.e seismicity, magnetic, electromagnetic, surface temperature, and humidity. In this research we use the USGS and BMKG seismic data ...

Oleh: Nana Sulaksana;Emi Sukiyah;Adjat Sudradjat;Mega F. Rosana

Abstraksi : Wilayah Kuningan bagian barat laut berada di kaki G. Ciremai yang masih aktif. Sementara itu, wilayah bagian barat, selatan hingga tenggara memiliki morfologi berlereng relatif terjal akibat aktivitas tektonik berumur Tersier. Morfologi berlereng relatif terjal dengan anak-anak sungai berlembah ...

Oleh: Eko Triarso;Haryadi Permana;Rainer Arief Troa;Sugiarta Wirasantosa;Budi Sulistiyo

Abstraksi : Ekspedisi laut dalam di kawasan perairan Sangihe-Talaud telah dilaksanakan atas kerjasama antara Indonesia, diwakili oleh Balitbang Kelautan dan Perikanan – KKP dengan Amerika Serikat (NOAA) dari tanggal 24 Juni hingga 6 Agustus 2010 dengan nama INDEX-SATAL (Indonesia Expedition Sangihe-Talaud). ...

Oleh: Priadi B.;Abidin H.;Basuki N.I.;Permana H.;Wirasantosa S.;Marzuki M.I.

Abstraksi : The Sangihe Arc is situated at northeast of Indonesia, close to boundary with the Philippines, it is formed as the result of the still active westward subduction of the Molucca Sea Plate beneath the Celebes Sea Plate. A joint research of Indonesia – United States of American (Index Satal ...

Oleh: Haerany Sirajuddin;Budi Rochmanto;Dia Ekawati;Kaharuddin MS

Abstraksi : Batuan gunungapi Pare-pare yang berumur Tersier, tersebar luas di daerah Parepare, Sidrap dan Barru bagian utara. Pusat erupsi sebagai kaldera belum pernah mendapat perhatian yang serius, sehingga lokasinya masih sulit dipastikan. Namun berdasarkan peninjauan lapangan, terdapat tiga lokasi yang ...

Oleh: Haryadi Permana;Eko Triarso;Rainer Arief Troa;Sugiarta Wirasantosa;Lili Sarmili;Budi Sulistiyo

Abstraksi : Lebih dari 38.549 Km2 perairan laut dalam kawasan perairan Sangihe-Talaud berhasil dipetakan melalui ekspedisi INDEX-SATAL 2010 dengan menggunakan Kapal Riset Okeanos. Batimetri dengan resolusi 0.005° atau 55m dengan jelas memperlihatkan bentuk morfologi sebagai produk penunjaman ke barat dari ...

Oleh: Baharuddin

Abstraksi : Geologi daerah Malinau di Kalimantan Timur, belum banyak diketahui oleh sebab itu penelitian ini mencoba memaparkan data petrologi dan geokimia batuan Gunung api Tersier Jelai dan implikasi tektoniknya.Sembilan contoh batuan dianalisis memakai metoda XRF (unsur oksida utama) dan ICP-MS (unsur ...

Oleh: Emmy Suparka;Chalid Idham Abdullah;Purnama Senjaya;Johanes Hutabarat;Andri Idham Kurniawan;Dwi Fitri Yudiantono

Abstraksi : Boron represents a highly incompatible trace element found in oceanic setting; whilst in arcs it shows a distinct systematic fluid-rock interaction. This element is predominantly occurred within both oceanic sediments as well as altered ocean floor basalt which are brought to subduct beneath island ...

Oleh: Muh Imran Tahir;Lantu;Bambang Harimei;Dewi Ika Kartika

Abstraksi : Studi aktivitas gempabumi tektonik berdasarkan kecepatan tanah maksimum (PGV) telah dilakukan di pulau Sulawesi. Data gempabumi periode 1900-2009 telah dikompilasi menggunakan beberapa katalog gempabumi diantaranya USGS, ISC, Geofon dan BMKG. Data kemudian diolah menggunakan persamaan empiris ...

Oleh: Fahrudin;Imam A. Sadisun;Agus H

Abstraksi : Deformasi di Kota Semarang menyebabkan sesar aktif. Identifikasi sesar dan struktur penyerta yang tepat akan memberikan pemahaman kinematik dan dinamik dari proses tektonik di Kota Semarang. Penelitian ini membahas tentang kinematik dan dinamik sesar Kaligarang serta membuktikan apakah sesar ...

Oleh: Lili Sarmili;Hersenanto C. Widiatmoko

Abstraksi : Lokasi penelitian terletak di timurlaut pulau Flores, Nusa Tenggara Timur. Daerah ini terdapat gunung api Komba ( Batutara) yang masih aktif dimana telah ditemukan beberapa gunung bawah laut di sekitarnya. Gunung bawah laut tersebut adalah Baruna, Abang dan Ibu Komba. Penamaan gunung bawah laut itu ...

Oleh: Nugroho Imam Setiawan;Y. Suyatno Yuwono;IGB. Eddy Sucipta

Abstraksi : The presence of Tertiary volcanics in Karangsambung area are shallow intrusion of diabaseand andesitic basalt, massive lava basaltic, pillow lava basaltic, pyroclastic tuff, in-situ and sedimentaryhyaloclastite breccia and as a volcaniclastic fragments on the clay breccia and scaly clay ...

Oleh: Angga Direzza;Sugeng S Surjono;Eko Widianto

Abstraksi : Pada Area Lembak, Cekungan Sumatera Selatan, berkembang endapan syn-rift yang belum dikaji secara teliti. Dari sumur-sumur eksplorasi yang ada di daerah ini, hanya satu yang menembus hingga basement tetapi dibor pada daerah tinggian, sementara sumur yang lain hanya menembus sampai endapan ...

Oleh: P. Sendjaja;E. Suparka;C. Abdullah;E.IGB. Sucipta;T. Hasenaka

Abstraksi : The Togean Islands are located in the gulf of Tomini, Central Sulawesi, situated between the North Arm of Sulawesi and South Arm of Sulawesi. This area is a complex transition, which is formed by subduction and obduction of three plates during the Miocene until Quarternary Periods. The North ...

Oleh: Hendra Amijaya;M. Indra Novian;Erik Iswandi

Abstraksi : Deposition history of Semilir Formation of Southern Moutain has became subject of many discussion since its wide range lithologic variation. Some layers of organic rich sediment, mainly coaly silt - sandstone and coal are found in the upper part this formation, especially in Southern Mountain ...

Oleh: Sugeng S Surjono;Perdana N Pamurty

Abstraksi : Dynamic sedimentation of Mapi Formation exposed in Majene area is indicated by succession of sediments from noncalcareous facies in the bottom part to calcareous facies in the upper part. The stratigraphic column for Majene area has been built through measured sections methods in 3 main ...

Oleh: Salahuddin

Abstraksi : The modern Mahakam Delta is the most frequent delta in Indonesia to be cited and referred when geoscientists work in a deltaic environment. Divided into three distinct channel groups, northern and southern distributaries, as well as central estuaries, classically it is put as an example of a ...

Oleh: Praptisih;M. Safei Siregar

Abstraksi : Formasi campurdarat adalah salah satu batuan karbonat yang tersingkap di daerah Tulungagung dan sekitarnya, jawa Timur. Suatu penelitian detil untuk mempelajari fasies dan sedimentasi batugamping tersebut telah dilakukan. Metode penelitian meliputi penelitian lapangan yaitu pengukuran penampang ...

Oleh: Indyo Pratomo;Heryadi Rachmat

Abstraksi : The Tertier volcanic formations (Old Andesite Formations; Bemmelen, 1949) of the Sunda Arc volcanism are dominated by the sub-marine volcanic origin. Pengulung Formation (Tmop) is constituted by volcanic breccias, tuffs and basaltic andesites lavas, intercalated by lenses of shallow to deep ...

Oleh: Totong K. Usman;Indra Yuliandri;Muharram J. Panguriseng;Wuryadi S. Sadirsan;Doddy Priambodo

Abstraksi : A systematic magmatic shift occurred from the Jurassic until the Cretaceous from South Sumatra to Northern West Java, trending to N300? E. The measurement results of granite in Northern west Java well showed the age of 67.49 + 1.44 Ma, The youngest granite recorded in the Northen West Java ...

Oleh: Yulia Febri Yeni

Abstraksi : Daerah penelitian merupakan bagian dari Cekungan Ombilin yang terletak di sebelah tenggara Kota Padang dengan luas wilayah penelitian 400 km 2 . Secara stratigrafis, dari tua ke muda formasi pada daerah penelitian terdiri dari batuanPra-Tersier bagian dari Lempeng Mikro Mergui, Formasi Brani, ...

Oleh: Panuju

Abstraksi : The Banggai-Sula Microcontinent is interpreted as a fragment of the Australia - New Guinea that became detached during Late Mesozoic and collided with the Eurasian Plate during the Middle Miocene to Pliocene. Until now, the stratigraphy and its importance to the petroleum industry are poorly ...

Oleh: Yulia Febri Yeni

Abstraksi : Reseach area is part of Ombilin Basin which located NE of Padang City, West Sumatera province. Riedel shears structure are common fault pattern identified within shear zone and related to the embryonic stages of fault formation. This study focus on the geometry and the evolution of shear zone ...

Oleh: H. Permana;Udrekh;R. Rahardiawan;S. C.Singh;L. McNeill;Y.S. Djajadihardja

Abstraksi : Data batimetri dan sesimik refleksi di kawasan Busur Muka Aceh dan Tinggian Busur Luar Aceh; lepas pantai barat Sumatra Utara telah berhasil dikumpulkan melalui berbagai ekspedisi kelautan selama 10 tahun terakhir. Data tersebut sangat bermanfaat dalam meningkatkan pemahaman proses konvergensi ...

Oleh: Agus Priyantoro

Abstraksi : The sandstones facies is a typical reservoir rock has been biggest hydrocarbon contribution in the oil and gas industry particularly in Indonesia, while in the Kutai basin a sandstone reservoirs was occupy in first ranking approximately 85% from the total reservoirs are established. The ...

Oleh: Eko Januari Wahyudi

Abstraksi : Timelapse microgravity is branches of potential field data that has been applied for detection of reservoir or acquifer fluid dynamics. The interpretation in the 3D subsurface can be derrived with inversion model. Nowadays global optimization have been used as inversion techniques in potential ...

Oleh: Andri Dian Nugraha;Awan Gunawan;Sri Widiyantoro;Gede Suantika

Abstraksi : There are 130 active volcanoes in Indonesia as result of four major plate tectonics collision. We used volcano earthquakes arrival time data under Guntur volcano that is located southern part of Bandung, West Java, to invert for 3-D Vp, Vp/Vs and simultaneously for hypocenter adjustment. The ...

Oleh: Andri Dian Nugraha;Awan Gunawan;Sri Widiyantoro;Gede Suantika

Abstraksi : There are 130 active volcanoes in Indonesia as result of four major plate tectonics collision. We used volcano earthquakes arrival time data under Guntur volcano that is located southern part of Bandung, West Java, to invert for 3-D Vp, Vp/Vs and simultaneously for hypocenter adjustment. The ...

Oleh: Ahmad Zarkasyi;Edi Suhanto

Abstraksi : Area panas bumi Jaboi berada di sisi selatan Pulau Weh yang merupakan salah satu area yang memiliki potensi panas bumi menarik di Provinsi Nangroe Aceh Darussalam. Manifestasi permukaan panas bumi di daerah ini berupa mata air panas, fumarol, solfatar, tanah panas dan batuan teralterasi ...

Oleh: Muh Sarkowi;Imam Budiarto;Jatmiko P.A

Abstraksi : 4D microgravity is representing a development of gravity method which is distinguished by repeated measurement of gravity with certain time interval . The microgravity change due to fluid movement in the subsurface, subsidence and topography change are very small (< 100 >Gal), therefore special ...

Oleh: Irfan H.;Syudkirman

Abstraksi : The amplitude variation with offset analysis has long been used in the world of exploration, especially in mapping gas reservoir distribution. The behavior of this amplitude anomalies occur due to presence of gas in the pores of rocks which also changes the value of Poisson's ratio ...

Oleh: M. Wahdanadi;Andy Februana P.;Anofrilla

Abstraksi : Advance interpretation of Spectral Decomposition Method (SDM) is applied to identify oil bearing reservoirs in an oil field located in Tarakan Basin – East Kalimantan. The result is promising. The main reservoirs in the field are deltaic Miocene sandstones beds between 2 volcanic layers. The ...

Oleh: Fatkhan;Andri Hendriyana;Rachmat Sule;Alfian Bahar;Alpius D. Guntara

Abstraksi : For geological complex structures, migration methods in a stacked section are often performed either in time or depth domain in order to help in seismic interpretation. As velocity laterallyabrupt,Kirchhoff depth migration is frequently utilized. One of significant parameters is an aperture size ...

Oleh: Aflan Zulfadli;Arifudin Idrus;Djoko Wintolo

Abstraksi : Lateritic nickel deposits are the result of weathering of ultramafic rock in the form of peridotit or dunite as a carrier element of Ni, generally occur in tropical to subtropical areas. Formation of lateritic nickel deposits are generally controlled by several factors, i.e, morphology, ...

Oleh: N.M. Wilasari;S. Fatimah;Dr.rer.nat. Wiwit Suryanto

Abstraksi : The method of correlation dimension and seismic attribute of frequency had been compared. In this case, the Empirical Mode Decomposition (EMD) method had been used firstly before the comparison. EMD had been proven in enhancing the quality of seismic data by reducing the noise and clarifying ...

Oleh: Muharram J. Panguriseng;Endi Nurjadi;Wuryadi S. Sadirsan;Bob W. H. Adibrata;Doddy Priambodo

Abstraksi : Middle Baong Sand (MBS) is the most prolific reservoir in North Sumatra Basin, yet to characterize this particular reservoir is quite a challenge when using conventional methods to define its facies, geometry, and distribution. Deposited as a submarine sand, lateral discontinuity of MBS is one ...

Oleh: Veratania Aisyah;Suharna;Agus Setyawan

Abstraksi : Gempa tektonik 27 Mei 2006 mengakibatkan kerusakan infrastruktur dan pemukiman di wilayah Daerah Istimewa Yogyakarta. Kerusakan yang diakibatkan gempa bumi Yogyakarta tidaklah merata, tetapi membentuk suatu blok-blok tertentu. Daerah yang dekat dengan sumber gempa tidak semua rusak parah dan ...

Oleh: Mohamad Nur Heriawan;Syafrizal;Aditya Mahendra;Lilik Eko Widodo

Abstraksi : Drilling pattern and spacing can be correlated to the spatial heterogeneity of coal properties. The optimum drilling pattern and spacing is directly associated to the number of drillhole and budget required by mining company. Besides drilling, channel sampling can be conducted much more rapidly ...

Oleh: Muharram J. Panguriseng;Totong K. Usman;Indra Yuliandri;Wuryadi S. Sadirsan;Doddy Priambodo;Wahyudi

Abstraksi : The Tebing Block is one of the unexplored areas in South Sumatra Basin. Recently, exploration activity at this area has followed the classical pattern of investigating sub-surface anticlinal structures and/or carbonate buildups. The basin has been proven to contain moderately large accumulations ...

Oleh: Khairul Ummah;Totong Kusnadi;Indra Yuliandri;Permana Citra Adi;Khaerul Adzany

Abstraksi : Interpretasi gambar seismik pada daerah dengan struktur kompleks umumnya sulit dilakukan. Hal ini menjadi semakin sulit ketika kualitas gambar seismik yang tersedia sangat buruk sehingga tidak memberikan gambaran yang jelas tentang struktur geologi. Pada studi ini informasi antara gambar ...

Oleh: Bagus Endar B. Nurhandoko;Indriani Sukmana;Syahrul Mubarok;Agus Deny

Abstraksi : Migration is important issue for seismic imaging in complex structure. Many methods of migration seem very difficult to reveal the complex structure of subsurface. One of promising methods is pre-stack depth migration, but there are many methods of pre-stack depth migration with their ...

Oleh: Eddy Z Gaffar;Ahmad Fauzi Ismayanto;Hendra Grandis;Yayat Sudrajat

Abstraksi : Energi alternatif yang sedang dikembangkan dan digalakkan oleh pemerintah Indonesia dan merupakan energi terbarukan adalah energi panas bumi. Pemerintah Indonesia sudah mengubah regulasi yang dahulu menyulitkan investor menjadi regulasi yang makin memudahkan investor menanamkan modalnya ke ...

Oleh: K. Anggayana;B. Rahmad;A.N.H. Hede

Abstraksi : Coal forming organic component (macerals) i.e. vitrinite, liptinite and inertinite can be known well through microscopic observation. Macerals can be characterized under microscopic appearance based on the origin of plant. Coal macerals as components of coal forming are very important to ...

Oleh: Virman

Abstraksi : Secara fisik endapan sedimen di ModADA berupa pasir dengan komposisi 5 % - 21 % adalah gravel, pasir kasar antara 5 % - 29 %, pasir sedang antara 25 % - 44 %, pasir halus antara 8 % - 40 %, pasir sangat halus antara 4 % - 8 % dan clay antara 4 % - 22 %. Endapan sedimen ini masih mengandung ...

Oleh: Agung Adi Susanto;Alpius Dwi Guntara;Hendri Ruslan

Abstraksi : Dalam rangka optimalisasi wilayah kerja dan usaha untuk meningkatkan produksi dari resources yang ada, JOB Pertamina Petrochina Salawati (JOB P-PS) dengan supervisi Pertamina UTC pada pertengahan tahun 2010 telah melakukan survei seimik 3D laut di area Salawati. Survei ini dilakukan mendekati ...

Oleh: Wahyu Kurniawan;M. Akbar Kartadireja;Yusuf Darnanto

Abstraksi : Umumnya penghitungan volume overburden laterit bouksit diperoleh berdasarkan data sumur uji. Semakin rapat spasi sumur uji maka tingkat keakuratan data akan semakin tinggi. Namun pada kenyataannya terdapat heterogenitas di antara sumur uji yang tidak dapat divisualisasikan, hal tersebut ...

Oleh: Amri Widyatmoko;Ahmad Aksin

Abstraksi : Aplikasi Common Reflection Surface (CRS) yang biasanya digunakan untuk menghasilkan stack dengan peningkatan SNR akan dikembangkan untuk membangun model kecepatan. Produk CRS yang terdiri dari koherensi, stack dan atribut dapat merekonstruksi model kecepatan konstan sederhana untuk keperluan ...

Oleh: Fatkhan;Mohammad R Sule;Andri Dian Nugraha;Ahmad Syahputa;Andri Hendriyana

Abstraksi : Penentuan struktur kecepatan gelombang P antara dua lubang bor dilakukan dengan menggunakan metoda inversi tomografi. Pada penelitian ini, dilakukan proses pengambilan data, penentuan waktu tiba, pembuatan program ray tracing untuk mengitung waktu tempuh gelombang antara sumber dan penerima, ...

Oleh: Andi Kurniawan;Muhammad Akbar;Hartono

Abstraksi : Kegiatan penyelidikan geofisika Induced Polarity (IP) dan Controlled Source Audiomagnetotelluric (CSAMT) dilakukan di Cibaliung, Kabupaten Pandeglang, Provinsi Banten. Tujuannya untuk melokalisir alterasi, mineralisasi dan struktur geologi dengan cara melihat hubungan antara anomali tahanan ...

Oleh: Faisal Fadillah;Yogi Swara Putra Mendra

Abstraksi : Penerapan metode resistivity geolistrik ini dilakukan pada area penambangan PT Arutmin Indonesia. Kegiatan ini bertujuan untuk mendapatkan data-data bawah permukaan dalam skala yang luas serta dapat memberikan gambaran kondisi geologi bawah permukaan. Disamping itu kegiatan ini juga bertujuan ...

Oleh: Awali Priyono;Alpius Dwi Guntara;Amri Widyatmoko

Abstraksi : Metoda Common Reflection Surface (CRS) memberikan kontribusi positip dalam usaha pencitraan bawah permukaan, karena metoda ini memperhitungkan kemiringan elemen reflektor, terjadi penambahan jumlah fold, sehingga terjadi peningkatan signal to noise ratio. Hasil studi yang kami lakukan ...

Oleh: Arief Satrio Prihanasto;Hadi Nugroho;Prakosa Rachwibowo

Abstraksi : Natural gas reservoir sandstones of Paleocene interval in the Wiriagar Deep field, Bintuni Basin, Papua has very unique characteristics because in those intervals contained different porosity value. This research was conducted to identify the factors that affect the natural gas sandstones ...

Oleh: Eki pujiani;Pudji Leksono

Abstraksi : Pre-stack depth migration is the most advanced transforming methods in seismic processing. The quality of seismic image after pre-stack depth migration in area of geology complex depends on accuracy of velocity model. One method to improve accuracy of velocity model such as Residual Curvature ...

Oleh: Prihatin Tri Setyobudi;Bambang W. H.;Banu A.;Krisputranto W. N.;Hadi N.;Sudaryo B.

Abstraksi : Lapangan PT berada di Sub-Cekungan Jambi, Cekungan Sumatra Selatan yang batuan dasarnya berstruktur tinggian. Kompleksitas tektonik yang terjadi serta proses pelapukan menjadikan batuan dasarnya berpotensi menjadi reservoir hidrokarbon. Tujuan studi ini untuk mengetahui karakteristik dan ...

Oleh: Indra Permanajati;Dwikorita Karnawati;Herryal Zoelkarnaen Anwar;Imam Sadisun

Abstraksi : Zona lemah yang di dalamnya terdapat bidang gelincir merupakan zonasi yang menjadi penyebab terjadinya longsoran, karena di bidang tersebut merupakan titik-titik lemah yang ada pada lereng. Titiktitik tersebut menyatu menjadi suatu bidang gelincir. Zonasi lemah (weak zone) seringkali menjadi ...

Oleh: Yosep Purnama;Riza Hasan;Anwar;Heri Suhardiman

Abstraksi : This paper presents stability analysis of development tunnel in Pongkor Gold Mine. The results gathered from field investigations and the geomechanical properties of rocks, were determined in the laboratory indicate that the rock masses of this area are weak. So, the excavated tunnels in this ...

Oleh: Fahrudin;Imam A. Sadisun;Agus H

Abstraksi : Pembangunan jalan tol Semarang-Solo tahap I sedang dalam proses penyelesaian. Jalan tol ini akan menjadi infrastruktur yang fital bagi perkembangan perekonomian dua kota yaitu Semarang dan Solo serta pertumbuhan untuk kota-kota yang dilewati jalan tol. Jalan tol segemen Susukan-Penggaron ...

Oleh: Alan Matano;Selvi Yuminti

Abstraksi : Reconciliation issue and External audit from AMEC and ITSL in West Block had found the major RoM discrepancy and suspect density as one of causal factor for this discrepancy. This study investigated the influence of laterite profile in lateral and vertical distribution to Wet Tonnage Factor ...

Oleh: May Thwe Aye;Subagyo Pramumijoyo;Arifudin Idrus;Lucas Donny Setijadji;Akira Imai;Johan Arif

Abstraksi : The Batu Hijau, skarn associated porphyry Cu–Au deposit is located in the southwestern part of Sumbawa Island, Indonesia. Skarn is known in the deep lever of the deposit by drilling. Though there is no limestone in Batu Hijau, skarn type in Batu Hijau is a calcic skarn. Based upon the ...

Oleh: I. Takashima;P. Sumintadireja;E.Suparka;I.G.B. Eddy Sucipta

Abstraksi : Shallow geothermal heat extraction is widely used in Europe and North America as an economical system for space heating and cooling, and good for earth environment. It is booming now in China and Korea. Geo-heat pump (GHP) system is composed of shallow (up to 100?) drilling, heat extracting ...

Oleh: Satriya Alrizki;Okki Verdiansyah;Joko Hariadi;Lukman Effendi;Bayu Aji

Abstraksi : A detail geological investigation has carried out in Kemawi, Banyumas, Central Java for prospecting the indication of gold mineralization. Geological investigation has resulted several prospect areas such as Wanasari, Wagir and Poncol. The prospect area did not show very clearly the outcrop ...

Oleh: Budhi Kumarawarman;Selvi Yuminti;Absar Malamu

Abstraksi : ISO 9001:2008 was a wellknown standard of Quality Management System published by the ISO (International Organization of Standardization) which rely on the basic principles of customer satisfaction and continual improvement. This study observed the implementation of ISO 9001:2008 in nickel ...

Oleh: Udrekh;Yusuf Surachman;Khafid;Djunaedi Muljawan;Baruna Jaya Scientific Party of Aceh LKI cruise

Abstraksi : The government of Indonesia has attempted to extent its outer limits as stated at article 76 of UNCLOS 82. This article define the limits of the continental self, and the extend to witch coastal state can claims jurisdiction over continental self that extends beyond 200 nautical miles from ...

Oleh: B.D. Krisnayanti

Abstraksi : The difficulty of establishing plants on unmodified fresh and/or old overburden reflects the necessity for correct site preparation techniques to overcome such factors as heavy metals. Addition of organic/inorganic amendments to the growth medium may reduce heavy metals concentration in the ...

Oleh: Bambang Sunardi;Suci Dewi Anugrah;Thomas Hardy;Drajat Ngadmanto

Abstraksi : A research of tsunami generated by the October 25th 2010 earthquake at Mentawai Western of Sumatra has been investigated. The observation of tsunami run up is about 5.7-7.4 m at three locations in the South and North Pagai. Numerical simulation of tsunami using the source mechanism obtained from ...

Oleh: Wahjono;Andiani;Alwin Darmawan;Dikdik Riyadi

Abstraksi : Wilayah Wasior berada di pesisir pantai dibawah kaki Pegunungan terjal Wondiboi dari Kabupaten Teluk Wondama Papua Barat. Banjir bandang pada tanggal, 4 Oktober 2010 , telah terjadi secara bersamaan di 8 (delapan) alur sungai dibagian barat lereng Pegunungan Wondiboi. Dari hasil pemetaan bencana ...

Oleh: P. Sugeng;Nanang T. P.;Afnimar;Gunawan I.

Abstraksi : Mentawai earthquake on 25 October 2010 (Mw 7.7) occured on 3.61°S, 99.93°E and 12 km depth. It caused maximum tsunami 8 m and 447 people died. The earthquake intensity in Sikakap – closed to epicenter, is very small (II - III MMI) and no damage of building by the earthquake. The earthquake ...

Oleh: Mohamad Amin Ahlun Nazar;Dwikorita Karnawati;Agus Hendratno

Abstraksi : Merapi volcano, which is situated in Central Java, Indonesia is recognized as the one of the most active volcano in the world due its frequent eruption. It was reported by Surono, et al (2011) the last eruption began in October 26, 2010, then it reached the peak on November 5, 2010 and finally ...

Oleh: Eka Kadarsetia;Muhammad Ergy Pramadipta

Abstraksi : Beberapa wilayah di Kabupaten Gowa, Sulawesi Selatan memiliki potensi gerakan tanah yang tinggi. Pada Bulan Januari 2009 gerakan tanah terjadi di Kecamatan Biringbulu dan di Kecamatan Tinggimoncong. Kabupaten Gowa juga mempunyai curah hujan yang cukup tinggi, dan bersamaan dengan hujan tersebut ...

Oleh: I. Santosa

Abstraksi : Indonesia terletak pada pertemuan 3 lempeng aktif yaitu Lempeng Eurasia, Pasifik, dan Indo-Australia yang mengakibatkan terbentuknya gunungapi dan morfologi yang berbukit. Kondisi demikian menyebabkan Indonesia rawan terhadap bencana geologi seperti letusan gunungapi, gerakan tanah, gempabumi, dan ...

Oleh: Arham Muchtar Achmad Bahar

Abstraksi : The main objective of this paper is to improve disaster mitigation by using a technologies of Geo-Information Technology. These technologies are discussed in the context of the four major phases of disaster management: preparedness, response, recovery and mitigation. Examples of some technologies ...

Oleh: Mamay Surmayadi;Prihadi Sumintadireja;Diky Irawan;Ilham Arisbaya

Abstraksi : Tangkuban Parahu sebagai salah satu gunungapi aktif di Jawa Barat merupakan fase termuda dari sistem vulkanisme Kaldera Sunda – Tangkuban Parahu yang memiliki sejarah geologi yang rumit dan komplek sejak 600 ribu tahun yang lalu. Berdasarkan analisis tephrakronologi, vulkanisme Gunungapi Sunda ...

Oleh: Ade Kadarusman;Theo van Leeuwen;Jan Sopaheluwakan

Abstraksi : The Palu region is located in Central Sulawesi, which forms part of a major Neogene collision zone. Eclogites, peridotites, granulites and associated high-grade metamorphic rocks are exposed within the floor and valley of the deep-seated Palu-Koro fault zone in Central Sulawesi. These rocks occur ...

Oleh: Kris Budiono;Undang;Susilohadi;Godwin

Abstraksi : Penyelidikan geologi dasar laut pada salah satu alternatif rencana poros jembatan Jawa – Sumatara telah dilakukan oleh Puslitbang Geologi Kelautan, Balitbang ESDM, Kementrian ESDM. Penyelidikan geologi dasar laut tersebut telah dilaksanakan dengan memakai metoda geofisika yang terdiri dari, ...

Oleh: Imtihanah;Hary Utoyo

Abstraksi : Area of investigation is situated between longitude 106o 25’ 00”-106o 35’ 00” and latitude 6o 30’ 00” – 6o 40’ 00”, in Nanggung District, Bogor Regency and the surrounding, West Java Province. This region is reachable by ground transportation from Bandung direct to Bogor. This ...

Oleh: Awang Harun Satyana;Taubah Faulin;Suci Nurmala Mulyati

Abstraksi : Sulawesi was formed by collision between drifted part of southeastern Sundaland and drifted microcontinents of the Indian-Australian Plate. The collision took place during Oligocene-early Pliocene, forming four arms of megatectonic provinces of Sulawesi and adjacent islands. The northern arm is ...

Oleh: Cipi Armandita;Awang Harun Satyana;M. Ma’ruf Mukti;Indra Yuliandri

Abstraksi : Pamanukan Cilacap Fault Zone (PCFZ), which oriented in NW-SE (Sumatran Trend) has been interpreted to become barrier between Neogene deep water basins in western and central Java, Bogor Basin and North Serayu Basin, respectively. PCFZ also controlled the development of the intra-arc ...

Oleh: Premonowati;Bambang Prastistho;Isa Miftahul Firdaus

Abstraksi : Lithologically, Punung formation as a paleoreef has builded by a coral boundstone, rhodolith, algae grainstone, algae packstone, algae wackestone, algae floatstone and algae rudstone. It dominated by red algae and had formed a fringing reef in warmly shallow marine. They builded seven phases ...

Oleh: Febrie Ekaninggarani;Krypton Aprianto

Abstraksi : Conventional trap, such as four-way closure, faulted anticline and fault dependent 3 way closure are no longer exist or at least hard to be found lately in hydrocarbon exploration, and mostly they are small reserve. Nowadays exploration in many oil companies are entering to identify the ...

Oleh: Erwinsyah

Abstraksi : Lapangan Teliti terletak sekitar 20 km ke arah Tenggara Kota Prabumulih atau sekitar 8 Km di sebelah Timur Lapangan LJ. Enam tahun yang lalu Lapangan Teliti telah digunakan untuk water disposal karena air terproduksi dari lapangan-lapangan di PEP Region Sumatera tidak tertampung lagi untuk ...

Oleh: Ronaldo Irzon;Sigit Maryanto;Kurnia

Abstraksi : Perkembangan penyelidikan kebumian sangat memerlukan konsep dasar keilmuan geologi dengan dukungan instrumentasi. Fungsi instrument sebagai penyedia data yang akurat, dengan presisi yang mumpuni, cepat, serta memiliki range uji yang luas akan memudahkan geologist dalam mengambil kesimpulan mengenai ...

Oleh: Irwansyah;Khoiril Anwar M;Nurcahyo I.Basuki

Abstraksi : Formasi Rajamandala di daerah Padalarang Jawa Barat merupakan formasi batuan karbonat terutama disusun oleh batugamping yang diendapkan pada umur Oligosen Akhir - Miosen Awal. Formasi ini mengandung organisme khas seperti foraminifera besar, koral dan alga yang memerlukan beberapa persyaratan ...

Oleh: Yulianto. M.N;Galena. R;Prasetyadi .C

Abstraksi : Zona Kendeng secara tektonik termasuk dalam zona foreland yang juga merupakan jalur lipatananjakan yang berbatasan langsung dengan busur volkanik Kwarter. Jalur lipatan-anjakan ini terdiri dari lipatan - lipatan asimetri yang intensif dan sesar anjak yang berarah barat - timur serta di beberapa ...

Oleh: Reddy S.;Hadi N.;Wahju K.;Teguh F.;Beiruny S.

Abstraksi : Jambi Sub-basin was part of tertiary sedimentary basin in South Sumatera, as one of the Oil & Gas Field. Reservoir rock in this area was sandstone of Talangakar Formation and sandstone of Air Benakat Formation and also basement as the new objective for exploration. This research used data ...

Oleh: Awang Harun Satyana;Margaretha E.M. Purwaningsih

Abstraksi : Sumba Island is a terrane, a transported geologic entity which is exotic to its surrounding areas. It is situated presently in the forearc setting of eastern Lesser Sunda volcanic arc. The origin of Sumba has been a matter of debate. There are two main competing hypotheses, origins from: (1) NW ...

Oleh: Rio Sebayang

Abstraksi : Sub Cekungan Paleogen Ngimbang merupakan bagian dari Cekungan Jawa Timur Utara yang berada pada bagian timur ke arah tenggara dari Tinggian Cepu bagian Timur. Bagian timur Sub Cekungan ini dibatasi oleh Kemandung Ridge yang memiliki arah timur laut – barat daya dan terlihat mengontrol ...

Oleh: Armein Suleiman;Cucuk Candra Setya Wahyu;Andang Bachtiar

Abstraksi : North Makasar Basin in West Sulawesi province has a pronounced active thrust-fold belt structural style, the offshore part of which is the subject of this research of documentation of different faunas in its bathyal zones. It is quite rare to get fresh seabed samples from the bathyal zone. This ...

Oleh: Andang Bachtiar;Mohammad Reza;Andi Krisyunianto;Yudi Satria Purnama

Abstraksi : Kalianyar Delta is a modern delta in the northern coast of Indramayu, North West Java, Indonesia. It is resulted from a man-made diversion channel of Cimanuk River purposedly to lessen the effect of floods in Indramayu area since the 19th century. A sedimentological field research was conducted as ...

Oleh: Fitriani Indah Pratiwi;V.Bonny Indranadi;Budianto Toha

Abstraksi : This paper is part of my thesis, which uses the concept of stratigraphy sequence to model the heterogeneous facies of Upper Lakat and Tualang sand-reservoirs. Upper Lakat and Tualang Formations consist of alternating sandstones, siltstones and shales, deposited in fluvial to transitional ...

Oleh: A.W. Wibowo;A. Prasetyo;W.A. Syukur;A.B. Mulyawan;E.A. Wibowo;H. Hadisaputro

Abstraksi : Cipunegara Sub-basin is a half graben system in the southern part of the North West Java Basin. Transgressive phase of this sub-basin has begun during Early Miocene period, when sea level rises and covered the area. During Early to Middle Miocene period, this area was a shelf with minimum land ...

Oleh: Andang Bachtiar;Muhammad Rozalli;Febrio Ilhamdani Barus;Kristian Simanjuntak;Hikhmadan Gultaf;Isa Ansari

Abstraksi : A very good exposure of outcrops along the road from Gunung Tua to Padangsidempuan, North Sumatra Province, has been the subject of this research to reveal the tectonics and sedimentation history of the most northwestern part of Central Sumatra Basin. The basement rock exposed in this area are ...

Oleh: Arief Yoga Benigno

Abstraksi : Area Karangmakmur berada pada bagian tepi dari suatu dalaman half graben pada Sub Cekungan Jambi di bagian utara Cekungan Sumatera Selatan. Bagian tenggara Area Karangmakmur dibatasi oleh sebuah sesar normal yang aktif pada Oligosen hingga Miosen Awal, memiliki arah timur laut – barat daya dan ...

Oleh: V. Bonny Indranadi;Larryvo Sitohang;Wibisono

Abstraksi : Stratigraphic successions in a sedimentary basin can be related to the basin history and latter to petroleum system. An unconformity-bounded stratigraphic unit approach is expected to provide significant contribution in improving the understanding of geological framework definition, also to ...

Oleh: Abdul Kholiq;Retno Widiastuti;Tri Bambang S. R.;Iskandar Firdaus

Abstraksi : Lima zone foraminifera plangtonik Kapur Akhir dari Formasi Tanamu, Desa Parigi, Taliabu Timur, Kepulauan Sula, dapat ditentukan dengan baik. Kelima zone tersebut dari tua ke muda yaitu : Zone Dicarinella primitiva, Zone Dicarinella concavata, Zone Dicarinella asymetrica, Zone Globotruncanita ...

Oleh: Wawan A. Behaki;Setiabudi Djaelani;Benny A. Sjafwan;Ramananda P.T;Hari Supiyanto

Abstraksi : The most advanced geodetic GPS technology today delivers a location accuracy of < 1 m. But life is not so simple for those working with geodetic data from various vintages with differing coordinate systems, local datum and ellipsoid system. If the geodetic data user has insufficient understanding ...

Oleh: Slamet Pujiono

Abstraksi : Most of the results from the processing of PSDM gives a good image, but does not tie with well. This is because the method has been applied to PSDM which still uses assumption that seismic wave propagation medium is the medium that is isotropy. In fact the effect of anisotropy is found in the ...

Oleh: Ariesty R. Asikin;Andri Hendriyana;Rachmat Sule

Abstraksi : Similar to CRS-Stack method that is developed previously, the Partial CRS-Stack that presented in this paper has advantage, which is can providing more traces in the resulted CDP supergathers. This method was introduced in 2009 and proved as an alternative method that can produce excellent ...

Oleh: La Hamimu;Mohd Nawawi;Jamhir Safani

Abstraksi : The use of GA is a natural choice for geophysical inverse method such as surface wave (SW) dispersion curves (DCs) and presents relatively recent development for deriving shear wave velocity (Vs). In this paper we develop a new scheme in GA with aim of improving the accurate estimation of a Vs ...

Oleh: Budi S. Suryopranoto;Djedi S. Widarto;Hendra Grandis;Arief Wicaksono

Abstraksi : In the last two decades, electromagnetic (EM) methods have been widely adapted for hydrocarbon exploration. Hydrocarbon saturated reservoir rock is typically electrically resistive relative to brine filled host rocks and or seal rocks. This work examines the applicability of electromagnetic methods ...

Oleh: Y.F. Yushendri;A.S. Praptono

Abstraksi : Carbonate reservoirs have become popular targets for rock property research escpecially rock physics in recent years, mostly at laboratory studies. Gassmann's fluid substitution in clastic reservoirs have been widely used, but the applicability of Gassmann's equation in carbonates is still ...

Oleh: Solehudin;Franky Sitorus

Abstraksi : Survey passive seismik (mikrotremor) 3 komponen telah dilakukan di daerah Muaro Sijunjung, Sumatra Barat. Tujuan dari penelitian ini adalah identifikasi keberadaan hidrokarbon serta menentukan persebarannya berdasarkan nilai frekuensi dominan pada daerah narrow-band, low frequency (dari 1-6 Hz). ...

Oleh: Delvya Mayasari;Bambang Avianthara

Abstraksi : The quality of reflection data is very important for seismic processing. The quality of old seismic data seems to be so noisy and low in CMP fold. That’s why we often meet this old seismic data in poor quality. Regulation and filling the gap might help this problem, yet we have to face the noise ...

Oleh: Dian Kurniawan;Ferry Faris Baskaraputra;Sugiyanto;Anies Baasir;Dwi Hudya Febrianto

Abstraksi : SNR Gas Field is located in the north-eastern coastal region of Senoro-Toili Block on the eastern arm of Sulawesi Island. Six wells have been drilled since 1999. All wells proved significant gas column in Mentawa and Minahaki limestone. Well tests indicate gas rates in the range of 18 – 20 MMSCFD ...

Oleh: Alpius Dwi Guntara;Khaerul Muttaqin;Awali Priyono

Abstraksi : Data survey seismik darat biasanya dipengaruhi oleh kondisi geologi dekat permukaan yang ekstrim, khususnya pada daerah dengan lapisan lapuk yang bervariasi secara lateral atau daerah dengan variasi elevasi yang cukup tinggi. Pengaruh tersebut terutama pada proses pengolahan data seismik tahap ...

Oleh: D.R. Wenas;B. Fibriatmodjo;T. Risyana

Abstraksi : Analisa kestabilan lereng sangat tergantung pada karakteristik kekuatan massa batuan. Salah satu parameter penting dalam menentukan properties kekuatan massa batuan yaitu kekuatan batuan intact. Parameter ini diperoleh uji UCS (Uniaxial Compressive Strength) pada sampel core yang diperoleh ...

Oleh: Hendra Grandis;Yahya Maulana

Abstraksi : Pemodelan inversi magnetotellurik (MT) 1-D merupakan salah satu kasus klasik inversi non-linier dalam bidang geofisika. Hubungan yang tidak linier antara parameter model dengan data pengamatan mengakibatkan pemodelan inversi dengan pendekatan linier menjadi kurang memadai. Permasalahan ini dapat ...

Oleh: Rustan Efendi;Djoko Santoso;Wawan Gunawan A. Kadir;Idham Chalid Abdullah

Abstraksi : Tekanan yang bekerja pada batuan menyebabkan terbentuknya rekahan-rekahan pada bagian sisi-sisi bidang sesar yang dikenal sebagai zona rekahan. Pembentukan rekahan tersebut akan menimbulkan perbedaan densitas batuan dengan batuan sekelilingnya yang memungkinkan dideteksi dengan metode gayaberat. ...

Oleh: I.S. Ronoatmojo;D. Santoso;T.A. Sanny;Fatkhan

Abstraksi : Dalam pengkajian eksplorasi seismik, anggapan bahwa medium bumi adalah homogen isotropik sudah ditinggalkan. Sehingga penentuan kecepatan gelombang seismik-P kini harus memperhitungkan medium yang mempunyai sifat anisotropik. Besarnya pengaruh anisotropik dicerminkan oleh besarnya tetapan ...

Oleh: Ferdiansyah;Abdullah Sutopo;Fajar AP;Azman

Abstraksi : Dalam operasi seismik di wilayah Indonesia Timur tantangan terbesarnya adalah tantangan non teknis yang meliputi kondisi alam dan kondisi sosial kemasyarakatan. Untuk keperluan perencanaan dan menajemen operasi seismik diperlukan analisa yang terintergrasi sebelum mengambil keputusan. Dalam kajian ...

Oleh: Fatkhan;Andri Hendriyana;Rachmat Sule;Alfian Bahar;Alpius D. Guntara

Abstraksi : Pembuatan program untuk CRS-stack, NIP-wave Tomography dan algoritma Kirchhoff minimum aperture telah dikembangkan oleh Wave Inversion Technology Consortium dengan menggunakan bahasa pemrograman C++. Akan tetapi program tersebut ditulis dengan menggunakan file batch, sehingga beberapa program lain ...

Oleh: David P. Sahara;Sri Widiyantoro;Rachmat Sule;Andri D. Nugraha;Birger G. Luehr

Abstraksi : High resolution subsurface velocity structure image beneath onshore and offshore of Central Java by using Tomography method is presented. This study is conducted in order to understand the effect of the difference data in Tomography Double Differential (tomoDD) algorithm. TomoDD is a simultaneous ...

Oleh: Bagus Endar B. Nurhandoko;Susilowati;Mahatman L. Budi;Kisko Riondo Siahaan;Usep M. Ishaq;Wahyu E. Abdillah

Abstraksi : In recent years, coal as well as coal bed methane becomes important energy resources in this country since Indonesia has a very large coal reserve. It indicates that Indonesia still has a high probability of CBM existences. But, it becomes problem when we have not enough knowledge about coal ...

Oleh: Tiggi C.;Dicky E.P.;Imam S.R.

Abstraksi : Seismic land survey in Indonesia generally using explosive for it source and assume all lithology give same respond. In reality every layer and lithology give different respond and make a different wave to each other, especially for energy that receive by geophone. This matter occur due to ...

Oleh: LM. Arham Fidran;Alan Matano;Selvi Yuminti;Ashadi Cahyadi

Abstraksi : Petea Block is one of the PT. Inco mining area that has a significant difference of ROM (Run Of Mine) between block model and the actual mining (about >15%) based on reconciliation report. The use of 50m in drill spacing is suspected as one of the cause of this difference. The study is done by ...

Oleh: M. Ramli;Ohnishi Y.

Abstraksi : Slope failure frequently occurs in the rainy season indicating pore water pressure along the potential sliding planes during or after rainfall plays important roles. The pore water pressure changes correspond to water table fluctuation that is mainly associated with the rainfall. However, numerical ...

Oleh: Rizky Yudha Satria;Andi Zulkarnain

Abstraksi : Daerah yang kaya akan batubara, banyak bersinggungan dengan area rawa. Rawa yang terdiri dari unconsolidated soil menjadi tantangan bagi eksplorasi dan proses penambangan batubara. Endapan rawa yang tebal menimbulkan kesulitan baik dalam hal akses eksplorasi maupun dalam usaha eksploitasi batubara. ...

Oleh: Syarif Hidayatullah ST.;Endang Wawan ST.

Abstraksi : Pit 2 terletak di salah satu tambang (batubara) PT Arutmin Indonesia di Propinsi Kalimantan Selatan yaitu di Tambang Asam Asam. Batuan penyusun low wall Pit ini merupakan bagian dari Formasi Warukin yang tersusun atas batupasir, batulumpur, dan batubara. Beberapa batuan tersebut memiliki kekuatan ...

Oleh: Alan Matano;Selvi Yuminti;Gde Tutuko Handojo

Abstraksi : Interpretation of profile of PT Inco's nickel laterite drilling data are generally used in combination with the geological record in the field. Penetration to the bedrock greatly affect the accuracy of interpretation, but due to limited tools or other things, 33% hill at West Block Soroako deposit ...

Oleh: Felli Arryandi;Agus Ramdhan

Abstraksi : Alur Siwah (figure 1) as the largest gas producer field operated by PT Medco E & P Malaka Indonesia in Block A - North Sumatra Basin, has two main carbonate reservoirs (the early to mid miocene Peutu and the late eocene to early oligocene Tampur Formation) located underlying the late miocene Baong ...

Oleh: M. Khawadja Kamaluddin;Andi M. Adiwiarta

Abstraksi : The Lengowangi field, located onshore East Java, Indonesia was discovered in 2006. The main challenges in this area are the over-pressured Lower Ngrayong and Tuban formations. The first well L1 was successfully drilled in 2006 with current gas production up to 10 MMCFD. The second well L2 was ...

Oleh: S. Agustini;T. Semedi;T. Bajanuddin;N.A. Saala;R. Rinawan

Abstraksi : Daerah Sangaji-Moronopo-Tanjung Buli dan P. Pakal, sebagai bagian Pulau Halmahera, menempati jalur global tektonik ofiolit Mesozoik-Kenozoik Sirkum Pasifik yang membentang dari Selandia Baru menerus ke Papua-Kepulauan Halmahera-Filipina-Jepang-pantai Barat Amerika Utara dan Amerika Selatan ; ...

Oleh: Robby Irfan Rafianto

Abstraksi : Nickel is a silvery-white metal and chiefly valuable in the modern world for the alloys it forms. About 60% of world production is used in nickel-steels (particularly stainless steel). Economic concentrations of nickel bearing minerals occur as sulphides and in laterites, each of them has positive ...

Oleh: Chris Farmer

Abstraksi : The atypical VMS deposits on Wetar Island were discovered in the mid-80’s. Precious metal-bearing barite sand caps were mined between 1989 and 1997. Fifteen years on, a new copper era beckons as result of processing break throughs facilitated by the specific mineralogical features of the ...

Oleh: Arif Zardi D;SP.Tulus Sihombing;Alison Purba;Nurcahyo I. Basuki

Abstraksi : Located in Southern Sumbawa Island, NTB, Indonesia, Pangulir is an epithermal quartz-sulfide vein breccia lode represents a newly discovered Au-Ag-Cu epithermal veins deposit by PT. Sumbawa Juta Raya exploration programs including geological and soil geochemistry mapping, geophysical surveys and ...

Oleh: Setyatmoko;Clyde Leys

Abstraksi : (PTFI) CoW Block-A, covering the Ertsberg District of Central Papua. The DMLZ is the deepest to date defined part of a major zone of Cu-Au mineralization called the East Ertsberg Skarn System (EESS), which is divided into separate mining blocks that from surface downward are named Gunung Bijih ...

Oleh: Omar Syarief;David Maidment;Haitham Al Balushi

Abstraksi : Mawarid Mining is a privately owned subsidiary of the MB Holding Group based in Muscat -Sultanate of Oman, currently is undertaking development of Mandoos and Safwa deposits. Mining production commenced in September 2010 at the Safwa deposit, while a feasibility study and permitting is still ...

Oleh: D.Sabarudin;I.Y.Rimayansyah;D.Kusumanto;D.N.I.Taufik;E.Adityaputra

Abstraksi : Mauritania, West Africa through SNIM, a Stated Owned Mining Company produces iron ore annually at a production rate of 12 million tons. Along with other companies, PT. Bumi Resources Minerals Tbk (BRM) which holds 4(four) exploration licenses have actively explored the similar commodity since mid ...

Oleh: Rachel Harrison;Elfina;Wulandari Mandradewi

Abstraksi : The Tujuh Bukit Project is located in Pulau Merah, Banyuwangi, on the southeastern coast of the island of Java in Indonesia. The Project lies within the eastern part of the Sunda magmatic arc which trends southeast from northern Sumatra to Java then eastward through the islands of Bali, Lombok and ...

Oleh: Budin Umar;Prastowo Ibnu

Abstraksi : The Tembang project is located approximately 120 kilometres north-northeast of Bengkulu in South Sumatra province. Tembang is a large intermediate-sulphidation epithermal deposit comprising goldsilver bearing quartz veins hosted by Tertiary volcanics. The property was previously mined from late ...

Oleh: Setyo Sapto Edi;Adnan Chaniago;Alpius Dwi Guntara;Agung Adi Susanto

Abstraksi : Salah satu kunci sukses dalam sebuah desain survei seismik adalah bagaimana kita mendapatkan kualitas data seismik sebaik mungkin dengan metode survei seoptimal mungkin baik dari segi teknis maupun keekonomian. Prinsip dasar dalam desain survei seismik adalah dengan mempertimbangkan objektif/target ...

Oleh: Deny Suryanto;Supriyono

Abstraksi : The seismic method is not guaranteed to work. The most difficult overburdens can scatter, absorb and deflect seismic energy so badly that little or no energy from the target returns to the surface. The small amount of energy that does return will usually be exceptionally difficult to process, not ...

Oleh: Leonard Lisapaly Jimmy Ting;Fugro-Jason;Mark Sam

Abstraksi : Seismic reservoir characterisation is the estimate of the distribution of facies, fluids and rock properties for a range of purposes from basic qualitative interpretation to detailed quantitative static and dynamic modelling. Seismic inversion converts seismic reflectivity data to elastic rock ...