Rizky, Sri and Dewanto, Ordas and Chasandra, Beny and Sapto Mulyanto, Bagus (2018) DETERMINE RESERVOIR PROPERTIES OF “R1” RESERVOIR BASED ON LOG INTERPRETATION AND CORE ANALYSIS IN “X” FIELD OF SOUTH SUMATRA BASIN. Jurnal Geofisika Eksplorasi. ISSN 2356-1599

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Abstract

The degree of success of many oil and gas drilling and production activities depends upon the accuracy of the characteristics and model used in a reservoir description. A better reservoir characterization means higher success rates and fewer wells for reservoir exploitation. A study for the determination of reservoir properties has been carried out in “X” field of the South Sumatra Basin . Depths and thicknesses of hydrocarbon bearing zones were obtained from correlated wells. Petrophysical parameters of hydrcarbon were obtained from combined well logging and core data. Data from six composite well logs comprising of gamma ray, resistivity, neutron and density logs were used for the study. The results from the study showed that one reservoir zone (R1) was identified, which can be good correlated in all of the wells. Well log and seismic section revealed the presence of hydrocarbons in the identified sands. The evaluated petrophysical parameter indicated that there were good porosity ranges between (18-27%), clay volume (1-8%), water saturation (28-47%), and hydrocarbon saturation (53-72%). Seismic section in wells shows the trapping mechanism to be mainly fault-assisted anticlinal closures. This prospect zone has been recommended for drilling and further research work. This implies that the research area indicates hydrocarbon accumulation in economic quantities.

Item Type: Article
Subjects: Q Science > QE Geology
Divisions: Fakultas Teknik (FT) > Prodi Teknik Geofisika
Depositing User: BAGUS SAPT
Date Deposited: 28 Jun 2018 06:50
Last Modified: 28 Jun 2018 06:50
URI: http://repository.lppm.unila.ac.id/id/eprint/8108

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