Geology and Reservoir 4160 3D Modeling of "X" Layer, "Y" Field in Bekasap Formation, Central Sumatra Basin

Nugroho, Nur Arief and Setiawan, Jatmika and Kristanto, Deddy and Haryadi, Haryadi (2014) Geology and Reservoir 4160 3D Modeling of "X" Layer, "Y" Field in Bekasap Formation, Central Sumatra Basin. In: Energy for the future and Conserving Geoheritage, November, Yogyakarta.

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Abstract

Object of the research is Geology and 3D Modeling Reservoir Layers "X" Field "Y". Field "Y" is
located in the Central Sumatra Basin. Based on well data analysis, Layer "X" is included in Bekasap
Formation, sandstones were prepared on lithology, mudstone, and coal, Bekasap Formation was
deposited in fluvio deltaic environment to transitional deltaic, layer thickness "X" has an average of
20 ft. In the Field "Y" there is a growing fault, where the fault consists of the first period and the
second period fault. Faulting the first period in the form of the right horizontal fault ride-SSE trending
NNW, and second period down and reverse fault is a fault backthrusting of the first period trending
NE-SW.
Crease structures that develop in the Field "Y" in the form of folds that form the saddle, this anticline
trending folds in the form of a general northwest-south southeast North (NNW-SSE), this was folds
reverse fault on the east and westward-shaped asymmetry. These folds formed during the compression
that occurs sharpness Piosen until now.
3D modeling consists prepared on the framework, property distribution, and calculation of OOIP layer
"X". Property facies, vshale, PHIE and Sw using geostatistical variogram analysis as well as
population data distribution method using the SIS for facies and SGS for vshale, PHIE and Sw, while
the distribution of K using the equation results Perm vs Core crossplot of log. Based on calculation of
volumetric OOIP basis Layers "X" obtained Bulk Volume: 21.017 acre.ft, Net Volume: 20.798 acre.ft,
Pore Volume: 4.363 acre.ft, HCPV Oil: 2,542 acre.ft, OOIP: 17.93 MMSTB.
Keywords: Modeling, Geostatistic, Variogram

Item Type:	Conference or Workshop Item (Paper)
Subjek:	Q Science > QE Geology
Divisions:	x. Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
Depositing User:	JATMIKA SETIAWAN
Date Deposited:	15 Aug 2017 03:28
Last Modified:	15 Aug 2017 03:49
URI:	http://eprints.upnyk.ac.id/id/eprint/12612

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