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Research Paper | Geology | Indonesia | Volume 3 Issue 3, March 2014

The Coalbed Methane Potential from Sajau Coal in Eastern Part of Berau Basin, East Kalimantan

Ahmad Helman Hamdani ^[7] | Edi Sunardi | Yoga Adriana Sanjaya

Abstract: The coal seams of Sajau Formation in Berau basin, Indonesia are lignite to sub-bituminous in nature and categorized as high gaseous seams. To evaluation of coalbed methane (CBM) prospects have to attention the gas resources and deliverability. Proximate analyses of the investigated coal samples reveal that the average moisture content 53.02 %, whereas, volatile matter 40.63 %. The ash content is low which average 5 %. Fixed carbon has average 39.42 %. The study s on the adsorption isotherm experiments carried out under controlled PT conditions for determination of actual gas adsorption capacity of the coal seams. The result shows that there is variation in methane gas holding capacity due to difference in burial history and relatively distance to fault core. Based on the comparison with other productive CBM in Powder River Basin; the Sajau coal in Berau Basin is a good prospective for CBM development.

Keywords: Coalbed methane, Sajau coal, Berau Basin, adsorption

Edition: Volume 3 Issue 3, March 2014,

Pages: 104 - 107

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