Benyamin Sapiie

Benyamin Sapiie
Bandung Institute of Technology | ITB · Faculty of Earth Sciences and Technology

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114
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Publications

Publications (114)
Article
Resiko geologi adalah resiko yang terjadi akibat terjadinya proses geologi, atau disebut bencana geologi, seperti gempa bumi, longsoran, banjir, dan erupsi gunung api. Bencana ini dapat melanda permukaan bumi dan mengakibatkan efek kerugian yang tidak kecil, mulai dari lingkungan, aktivitas masyarakat di daerah tersebut, maupun dampak terhadap masy...
Article
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We analyzed the tectonics and stratigraphy of the Southern Great Tarakan Basin to determine its tectonic evolution during the Mesozoic-Cenozoic Eras, the evolution of basin geometry, and the potential of hydrocarbon using integrated surface and subsurface data. Southern Great Tarakan Basin can be divided into three sub-basins, Berau, Muara, and Sou...
Conference Paper
East Natuna is well known for its huge natural gas reserves with a very high CO2 content. The appearance of CO2 content in an oil and gas field is always considered as waste material and will severely affect the economic value of the field. The higher the content, the more costly the process, both technically and environmentally. In this research,...
Article
Jatibarang Formation known as interesting volcanic reservoir in North West Java Basin. The reservoir was characterized by altered and naturally fractured that has significantly producing light oil. The volcanic Jatibarang reservoir consist of 3 volcanic cycles that are cycle 1, cycle 2 and cycle 3 with 16 faults configuration. Total and Fracture po...
Article
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Three-dimensional outcrop models, or Digital Surface Models (DSMs), have proved their capacity in many geoscience studies. Along with the advantage in the rapid acquisition, DSMs are capable of creating virtual models of fractured outcrops to be interpreted for further analysis. This paper reports the DSM robustness by comparing the result of fract...
Article
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On 28 September 2018, 18:02:44 local time, the Magnitude 7.5 earthquake accompanied by a tsunami and massive liquefaction devastated Palu region in Central Sulawesi, Indonesia. Comprehensive post-disaster surveys have been conducted, including field survey of surface ruptures, LiDAR, multibeam-bathymetry mapping, and seismic-reflection survey. We u...
Article
span lang="EN-US">Reservoir vulkaniklastik di indonesia merupakan reservoir dengan produksi yang signifikan. Rekah alami adalah faktor terpenting dalam menentukan kualitas dan kuantitas dari reservoir vulkaniklastik untuk diungkap lebih detail. Log image dan data wireline log dapat digunakan untuk memberikan informasi zona rekah alami, dan rekahan...
Article
Oligocene–Miocene carbonates are prolific hydrocarbon reservoirs in Southeast Asia. Extensive subsurface data for this stratigraphic section has become available through exploration and production activities. A carbonate shelf in the study area showed an evolution in shelf architecture and lithofacies during this period. Despite the economic import...
Article
p>Lokasi daerah penelitian berada pada lapangan “FM” terletak pada Cekungan Banggai, Sulawesi Tengah. Tujuan dari penelitian ini adalah mengidentifikasi fasies dan lingkungan pengendapan yang berkembang pada Anggota Mentawa yang berada di Formasi Minahaki yang merupakan suatu reef system pada batuan karbonat. Metodologi penelitian yang dilakukan ya...
Article
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Naturally fractured reservoir (NFR) especially in granitic basement in Sumatra is not a new issue for research. Generally in NFR modeling, fracture density of rocks in a damage zone is the most significant factor that influence fracture porosity and fracture permeability. The aim of the study is to determining micro fracture in the granitic rocks a...
Article
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The Makassar Strait is an important oceanic gateway, through which the main branch of the Indonesian Throughflow (ITF) transports water from the Pacific to Indian Ocean. This study identifies a number of moderate (>10km3) to giant (up to 650km3) mass transport deposits within the Makassar North Basin Pleistocene-Recent section. The majority of subm...
Article
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div class="WordSection1"> Geomechanical analysis is performed at Gundih Field to obtain detail stress condition and mechanical properties from interval of interest. Ngrayong Formation is targeted as CO<sub>2</sub> injection interval of Gundih Field. The detail interval 8 is determined using multi-mineral modelling and calibrated using XRD and petro...
Article
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Negara Indonesia terletak pada pertemuan tiga lempeng dunia yaitu Lempeng Eurasia, Pasifik dan Indo-Australia. Posisi tersebut menyebabkan Indonesia dilalui oleh 2 jalur pegunungan dunia, yaitu Sirkum Mediterania dan Sirkum Pasifik. Hal tersebut menyebabkan Indonesia memiliki banyak gunung berapi, dan sebagian masih aktif sampai saat ini. Keberadaa...
Article
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One of major challenge and complex issue in structural geology is understanding the mechanism of Fold-Thrust-Belt (FTB). Numerous authors have been worked to solve these particular subjects in the past. However, most of them are concentrated in describing internal deformation and their tectonic evolution. FTB deformation is very complex due to thei...
Article
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Digital Outcrop Model (DOM) is a method of building a more realistic, 3D-based geocellular model based on photogrammetric data. DOM can describe position of fractures with a minimum length of four meters, so it can describe better distribution and fracture geometry with more precision. DOM used has a dimension of 320 m × 12 m at fractured granitic...
Article
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This study discusses the correlation between the fractal of spatial epicentre distribution of aftershock (D2) and active fault (D0) in the Sumatra region. We identified 15 earthquakes in this region that were followed by aftershock cluster and related to the Sumatra Fault Zone or Southern Andaman West Fault. The spatial epicentre distribution of th...
Article
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The increasing number of inhabitant in Sukacai village, Jiput – Pandeglang leads to the risen of clean water demand. However, along with the raising of demand, the groundwater availability has decreased. During the dry season, the water quality is poor and the rate of flow tends to be critical. As a consequence, the community is suffering from the...
Article
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Kali Lutut merupakan lokasi tersingkapnya seri batuan khusus yang disebut Lutut Beds, yang tersusun oleh batupasir dan batugamping dengan mineral kuarsa yang melimpah dan fragmen rombakan berbagai jenis batuan seperti batuan metamorf, vulkanik, batuan dasar, dan karbon. Penelitian ini dilakukan untuk merekonstruksi kondisi struktur geologi di Kali...
Article
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Cekungan Sumatra Selatan merupakan cekungan yang memiliki batuan dasar terekahkan penghasil gas yang cukup berhasil. Batuan dasar di Blok Jabung Sub-Cekungan Jambi memiliki potensi untuk menjadi reservoir pada batuan dasar terekahkan. Saat mengidentifikasi reservoir batuan dasar terekahkan, harus dilakukan identifikasi dari karakteristik rekahan te...
Article
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Hydrocarbon exploration in Eastern Indonesia region is mainly concentrated in the related convergent area such as Timor Basin. This area is characterized by the development of complex imbricate thrust-fold-belt deformation involving sedimentary sequence from the Australia continental margin. However, the exploration has not been successfully found...
Article
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Compared to the success of Mesozoic play in Westralian Superbasin (WASB), the lack of hydrocarbon discovery in West Timor within Timor Trough and North West Shelf Australia is still an enigma. The West Timor is still frontier petroleum province with problems in uncertainties of working petroleum system play as well as the hydrocarbon prospectivity....
Article
The Lembang Fault is a major fault in western Java that skirts the northern edge of Bandung, one of Indonesia's largest cities, just south of the active Tangkuban Perahu volcano. Although it has no recorded or historical large earthquakes, the Lembang Fault shows obvious geomorphic evidence of recent activity and has long been thought to be active....
Conference Paper
Indonesia is located in the very complex and active tectonic region and therefore prone to various natural hazards which caused a surface deformation. Accordingly, on the development of geodetic datum of Indonesia should take into account this conditions. Indonesian Geospatial Reference System 2013 (IGRS2013) is a semi dynamic geodetic datum that a...
Conference Paper
On Tuesday 06 December 2016, the magnitude 6.5 earthquake occurred near Pidie Jaya district of Aceh province, Indonesia. Indonesian National Board for Disaster Management reported, this earthquake causing 106 casualties, 700 injuries, 16238 house damages, and 85161 evacuate. The horizontal deformation due to this earthquake has been recorded by con...
Article
Full-text available
East Natuna is well known for its humongous natural gas reserves with a high CO2 content. The high quantity of carbon dioxide requires implementation cutting-edge capture and storage process in its development plan which comes at a high cost. In order to increase the economic feasibility of the area, the impurities are proposed to be utilized CO2 a...
Poster
Compared to the success of Mesozoic play in Westralian Superbasin (WASB), the lack of hydrocarbon discovery in West Timor within Timor Trough and North West Shelf Australia is still an enigma. The West Timor is still frontier petroleum province with problems in uncertainties of working petroleum system play as well as the hydrocarbon prospectivity....
Article
Full-text available
Based on the data analysis of 16 years of TMPA dataset, the common patterns of rainfall over the Ciliwung River Basin are diurnal and semidiurnal. Those patterns can be associated by a stationary or moving rainstorm with different magnitude and direction. Based on hydrological model simulations, both the pattern and movement have a significant role...
Article
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This paper contains reservoir simulation study of carbon storage at Gundih field in Central Java Island, Indonesia. Two different cases of injection simulation were performed and analyzed in this paper. The cases represent the conditions when the smallest and largest volumes of CO2areinjected into the subsurface to see the changes of reservoir that...
Chapter
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Earthquake Geology of Indonesia Geologi Gempa Indonesia
Article
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Rantau Dedap Area is a geothermal field which is located in Great Sumatra Fault (GSF). The fault and fracture are main factor in the permeability of the geothermal system. However, not all faults and fractures have capability of to flow the fluids. Borehole image log is depiction of the borehole conditions, it is used to identify the natural fractu...
Conference Paper
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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 investigation to perform additional drilling operations. Geo-m...
Article
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Cleats are natural fractures within coal seams. This paper presents the results of regional cleat mapping and characterization in relation to coalbed methane (CBM) exploration and development in the Barito Basin, South Kalimantan, Indonesia involving two major coal layers, namely the Late Eocene Tanjung Formation and Early to Middle Miocene Warukin...
Article
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DOI: 10.17014/ijog.4.3.121-141A detailed geological mapping and fracture characterization had been performed in Bantimala area, South Sulawesi, Indonesia. The geology of the studied area is composed of pre-Tertiary metamorphic, sedimentary, and igneous rocks which tectonically mixed forming a mélange complex. Located on the southeastern margin of S...
Conference Paper
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Sulawesi microplate Island is located at famous triple junction area of the Eurasian, India–Australian, and Philippine Sea plates. Under the influence of the northward moving Australian plate and the westward motion of the Philippine plate, the island at Eastern part of Indonesia is collide and with the Eurasian plate and Sunda Block. Those recent...
Conference Paper
In the October 11st 2013, Indonesia introduced the new national geodetic datum which called as Sistem Referensi Geospasial Indonesia 2013 (Indonesian Geospatial Reference System 2013). This is a semi dynamic datum in natural, which the reference epoch define at 2012.0 and the coordinates change due to plate motion and earthquake was accommodate usi...
Conference Paper
Full-text available
One of methods that can be used to determine the tectonic deformation status is rate estimation from geometric rotation and strain using quantitative velocity data from GPS observations. Microplate Sulawesi region located in the zone of triple junction (Eurasia, Australia and Philippine Sea Plates) has very complex tectonic and seismic condition, w...
Conference Paper
Full-text available
Since October 2013, Indonesia proposed new geodetic datum which called Sistem Referensi Geospasial Indonesia 2013 (Indonesian Geospatial Reference System 2013 (IGRS2013). The coordinates of IGRS2013 defines at reference epoch 2012.0 and connected to ITRF2008. As a semi dynamic datum in natural, IGRS2013 must have a deformation model to transform th...
Conference Paper
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Tanggulangin oil and gas field is located in Northeast Java Basin, is one of the important operation area in East Java, was firstly explored through drilling operation in 2001, and has already produced significant oil and gas for PT.Lapindo Brantas. Production optimization through additional drilling campaign and more detailed geomechanical analysi...
Conference Paper
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The Banda Outer Arc in Eastern Indonesia is characterized by a complex fold-thrust-belt composed largely of Australian passive margin sequences. The area covered by this study is the offshore Tanimbar region in the Southern Banda Outer Arc including the Babar Selaru block. The structural framework in this area consists of multiple normal fault tren...
Conference Paper
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GPS measurements from 1993 until 2014 across Indonesia region are providing longer time series at 2 – 3 millimetre-level precision from which surface velocity estimates are derived. In this study, we use this GPS velocities field to construct a crustal strain rate map and not including the physical model yet. In our preliminary result, we only comp...
Conference Paper
Full-text available
We uses survey mode (sGPS) and continuous GPS (cGPS) from Geospatial Information Agency, National Land Agency and Sumatran GPS Array (SUGAR) from 1993 – 2014 to derive new GPS velocities field in Indonesia region. In this study we quantify the velocities field from our GPS sites during this period. We reprocess and analyses our GPS data using the G...
Article
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Most of the Cenozoic tectonic evolution in New Guinea is a result of obliquely convergent motion that ledto an arc-continent collision between the Australian and Pacific Plates. The Gunung Bijih (Ertsberg) Mining District(GBMD) is located in the Central Range of Papua, in the western half of the island of New Guinea. This study presentsthe results...
Poster
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Recent study of the Luk Ulo melange complex using field mapping, SEM and XRD analyses for the melange matrix
Poster
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Balerang and Rajabasa are Quaternary volcanic complex with active fumaroles though no historic eruptions were recorded. These volcanoes are stratovolcanoes and located in the volcanic front of Sunda arc. Although some studies reported the geological setting of these volcanoes in these past few years, their detailed volcanostratigraphy and evolution...
Conference Paper
Full-text available
Gundih CCS pilot project is located within the Gundih gas field operated by PERTAMINA at Central Java, Indonesia. Geologically, this field is part of East Java Basin, which is well known as prolific hydrocarbon basin in South East Asia region. Gundih field and surrounding area is a gas field, which has been in production since the end of 2013. CO2...
Conference Paper
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Sunda block is one of block in Southeast Asia regional that has defined its own block rotation. This block covers a large part of Southeast Asia that includes IndoChina, Thailand, Peninsular Malaysia, Sumatra, Borneo, Java and the shallow seas located in between (Sunda block). We use new GPS observations from campaign and continuous networks in Ind...
Conference Paper
The standard fault seal analysis using SGR algorithm is relying on two important parameters mainly fault throw and v-shale values. Both parameters are determined from interpretation of seismic and well data through petrophysical analysis. However, v-shale values are highly influenced by clay mineral composition particularly area with complex minera...