Prospects for Exploration of Coal-Bed Gas with Low Coal Rank in Tuha Basin

Abstract

Abstract: The correlation of coal-bed gas accumulations between Tuha basin and Powder River basin is made. The reason for successful exploration of coal-bed gas with low coal rank in Powder River basin is that the real gas concentration in the high-permeable coal bed is much higher than measured gas concentration. According to superior conditions in Tuha basin, both free gas and adsorbed gas should be highlighted during its coal-bed prospecting. Meanwhile, the evaluation of three major blocks is made, and Y-1 W ellblock is ascertained to be the most favorable target among them.

Key words: Tuha basin, low coal rank, coal-bed gas, exploration, prospect

CLC Number:

TE112.11

CHEN Hong-liang, LI Qiao-mei, WANG Rui-ying, ZHOU Yu-zhong. Prospects for Exploration of Coal-Bed Gas with Low Coal Rank in Tuha Basin[J]. Xinjiang Petroleum Geology, 2005, 26(1): 112-114.

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Prospects for Exploration of Coal-Bed Gas with Low Coal Rank in Tuha Basin

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