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高压水力压裂技术在突出煤层井下应用分析

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摘要 针对平顶山矿区单一低渗透突出煤层透气性差、钻孔瓦斯抽放难的特性,研究分析了井下高压水力压裂钻孔壁四周应力分布、裂缝启裂机理。在压裂过程中,结合井下特殊生产环境的要求,优化设计清水重复压裂施工工艺,有效改善了压裂目标层的透气性能,使其钻孔瓦斯抽放流量成倍增加,增透效果明显。
出处 《中国化工贸易》 2013年第1期124-124,30,共2页 CHINA CHEMICAL TRADE
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