Key technology for treating slack coal blockage in CBM recovery: A case study from multi-lateral horizontal wells in the Qinshui Basin

Key technology for treating slack coal blockage in CBM recovery: A case study from multi-lateral horizontal wells in the Qinshui Basin

Due to the nature of coal bed, slack coal production is inevitable in gas recovery sby water drainage. When coalbed methane (CBM) wells are reentered after low energy exploitation and shut-in, the negative effect of slack coal production on productivity of CBM is irreversible. In this paper, the CBM...

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Bibliographic Details
Main Authors: Yong Yang, Shuqing Cui, Yuanyong Ni, Guosheng Zhang, Lichang Li, Zhenqi Meng
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2016-01-01
Series:Natural Gas Industry B
Subjects:
Coalbed methane (CBM)
Recovery by water drainage
Slack coal
Multi-lateral horizontal well
Coal bed drilling rate
Tree-like horizontal well
Wellbore trajectory control
Cavern completion
Qinshui Basin
Online Access:http://www.sciencedirect.com/science/article/pii/S2352854016300171

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http://www.sciencedirect.com/science/article/pii/S2352854016300171

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