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常村煤矿2116_1综采工作面顶板突水灾害分析
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作者 孙晓震 刘振波 +1 位作者 郝会安 周拓疆 《水力采煤与管道运输》 2007年第4期53-54,共2页
从突水水源和导水通道两方面分析了常村煤矿21161工作面突水灾害的成因,并对该矿的防治水工作提出建议。
关键词 顶板突 砂砾岩水 通道
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Formation of X-shaped hydraulic fractures in deep thick glutenite reservoirs:A case study in Bohai Bay Basin,East China
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作者 LI Zhi-chao LI Lian-chong +7 位作者 WANG Shu-ren MA Shou ZHANG Zi-lin LI Ai-shan HUANG Bo ZHANG Liao-yuan WANG Zeng-lin ZHANG Quan-sheng 《Journal of Central South University》 SCIE EI CAS CSCD 2021年第9期2814-2829,共16页
Tight glutenite reservoirs are widely developed in Bohai Bay Basin,East China.They are mostly huge thick and rely on hydraulic fracturing treatment for commercial exploitation.To investigate the propagation behavior o... Tight glutenite reservoirs are widely developed in Bohai Bay Basin,East China.They are mostly huge thick and rely on hydraulic fracturing treatment for commercial exploitation.To investigate the propagation behavior of hydraulic fractures in these glutenite reservoirs,the geological feature of reservoirs in Bohai Bay Basin is studied firstly,including the reservoir vertical distribution feature and the heterogeneous lithology.Then,hydraulic fracturing treatments in block Yan 222 are carried out and the fracturing processes are monitored by the microseismic system.Results show the hydraulic fractures generated in the reservoirs are mostly in X shape.The cause of X-shaped hydraulic fractures in this study is mainly ascribed to(I)the reservoir heterogeneity and(II)the stress shadow effect of two close hydraulic fractures propagating in the same orientation,which is confirmed by the following numerical simulation and related research in detail.This study can provide a reference for the research on the fracturing behavior of the deep thick glutenite reservoirs. 展开更多
关键词 GLUTENITE hydraulic fracture X shape reservoir heterogeneity GRAVEL
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