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All Journal Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Bulletin of Geology
Edy Slameto
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Chemistry Earth & Planetary Sciences Energy Engineering

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Meningkatkan Faktor Perolehan Lapangan Marginal dengan Metode Injeksi Air, Sebuah Studi Simulasi Reservoar Edy Slameto
Jurnal Geologi dan Sumberdaya Mineral Vol. 16 No. 3 (2006): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v16i3.361

Abstract

The development of marginal fields is becoming a more important alternative method, due to the fact that big and profitable new fields are more difficult to be discovered. A marginal field which is situated in the Western Sunda Basin, here is called as Field X, has big enough reserves in which specific fluid property interest has to be concerned. Its OGIP: 7.675 BSCF and OOIP: 129.058 MMSTB (based on PSC source). According to the trap existing in the field, its drive mechanism is Gas Cap Drive and Water Drive. In order to increase the recovery factor of this field, Enhanced Oil Recovery (EOR) using water injection method has been carried out. Reservoir simulation performed with water injection project to this field could increase the cumulative oil production into 17.160 MMSTB with 13.29 % composite recovery factor for 30 years. Keywords : waterflood, reservoir simulation, marginal, Sunda Basin
BASIN GEOMETRY ANALYSIS OF “NOKEN” AREA, MESOZOIC INTERVAL, AKIMEUGAH BASIN, PAPUA David Ontosari; Benyamin Sapiie; Hermes Panggabean; Edy Slameto
Bulletin of Geology Vol 2 No 2 (2018): Bulletin of Geology
Publisher : Fakultas Ilmu dan Teknologi Kebumian (FITB), Institut Teknologi Bandung (ITB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/bull.geol.2018.2.2.3

Abstract

Area "Noken" is located in the Akimeugah Basin, southern of Papua, covering onshore and offshore areas. In previous research, this area is still defined as laterally uniform passive margin basin during Mesozoic Era. A number of data include airborne-gravity anomaly, satellite gravity (TOPEX-Sandwell), land gravity, the total intensity of magnetism, oil and gas wells, seismic, and data retrieval surface sample obtained from the Center for Geological Survey, Geological Agency (PSG) and the Center for Data and Information (Pusdatin) Ministry energy and Mineral Resources (ESDM). Data processed by the method of forward-inversion modeling on Geosoft software and mapped by the method of minimum curvature in the Petrel software. The results of the analysis are fault and stratigraphic horizons in the Mesozoic Era. Their density recorded properly using distribution data from three wells (Well A, Well B, and Well C). Based on interpretation of gravity maps, total magnetic intensity maps, and subsurface geological model at the top of the Mesozoic, could be concluded that the geometry of the basin in "Noken" area during Mesozoic was dominated by the graben and half-graben, with the longitudinal axis of the fault trending relative northeast - southwest (NW- SW). Isopach map of the Mesozoic interval is supporting data to prove this basin geometry. In particular, during Triassic syn-rifts were formed and the post-rift sediments were formed during Jurassic - Cretaceous. The longitudinal axis of the basin is relatively parallel to the fault constituent. Based on the analysis of the structure of the subsurface geological structure map of the Mesozoic and Cenozoic, gravity sections and models can be interpreted that tectonic evolution during Cenozoic changes the geometry of the basin became trending northwest-southeast.
Co-Authors Benyamin Sapiie David Ontosari Hermes Panggabean