Identification of sub-basins using gravity data in Majalengka, Indonesia

F. Adlan, A. H. Pratama, S. R. Wibowo, Supriyanto

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The existence of hydrocarbon reservoir in the Majalengka can be proven by the presence of several oilseeps. A hydrocarbon potential in this area suspected to lie in the Cinambo Formation that consist of sedimentary rocks. Unfortunately, the sedimentary rocks are covered by volcanic rocks as a product of Mt. Ciremai. According to previous study using electromagnetic method, it is shown that the faults structure exist in this area are thought to be a hydrocarbon trap. And it is alleged that the fault becomes the boundary of the sub-basin in which there is a source rock of hydrocarbon. In order to identify the fault structure and sub-basin area that cover hydrocarbon reservoir, we have conducted gravity survey. The gravity data acquisition covered area of about 22 x 17 km2 with total stations are about 170 stations. Identification of the presence of the fault and the type of fault structures can be done by performing the analysis of the gravity data. To identify the fault and vertical contact between two lithologies, we used Horizontal Gradient (HG) and Second Vertical Derivative (SVD) analysis. Then the estimated subsurface structure models are made with the integrated interpretation of the result of gravity data analysis. The study results show the existence of sub-basin which is bordered by fault structure.

Original languageEnglish
Title of host publicationProceedings of the 3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017
EditorsRatna Yuniati, Terry Mart, Ivandini T. Anggraningrum, Djoko Triyono, Kiki A. Sugeng
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735417410
DOIs
Publication statusPublished - 22 Oct 2018
Event3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017 - Bali, Indonesia
Duration: 26 Jul 201727 Jul 2017

Publication series

NameAIP Conference Proceedings
Volume2023
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017
CountryIndonesia
CityBali
Period26/07/1727/07/17

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