Shale Hydrocarbon Potential of Brown Shale, Central Sumatera Basin Based on Seismic and Well Data Analysis

Abd. Haris, Husein Agil Almunawwar, Agus Riyanto, Andang Bachtiar

Research output: Contribution to journalConference articlepeer-review

5 Citations (Scopus)

Abstract

The development of unconventional shale hydrocarbon is really depending on integrating approach of wide range disciplines. The integrated approach for analysing organic-rich shale reservoirs involves calibration of core and well-log data, building petrophysical and rock-physics models, and finally characterizing the key reservoir parameters (TOC, porosity, and natural fractures) and mechanical properties evaluation from seismic data. In this research, integrated approach of geochemical, geomechanical, mineralogy, petrophysical, and geophysical analysis are carried out in Brown Shale, Central Sumatera Basin. Total Organic Carbon (TOC), maturity, and brittleness index are the main parameters used in this study to analyse the shale hydrocarbon potential. The result of geochemical analysis shows that the maturity level of shale in the interest zone in oil window, which means it can generate shale oil in early mature phase at depth of 6400 ft. Quantity of shale hydrocarbon potential is indicated by the TOC value of 0.5-1.2 wt. % (fair to good), with average of shale thickness for over 50 ft. The result of geomechanical analysis shows that brittleness index of interest zone for over 0.48 and rock strength below 10000 Psi.

Original languageEnglish
Article number012018
JournalIOP Conference Series: Earth and Environmental Science
Volume62
Issue number1
DOIs
Publication statusPublished - 24 Apr 2017
EventSoutheast Asian Conference on Geophysics, SEACG 2016 - Bali, Indonesia
Duration: 31 Aug 20163 Sep 2016

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