沁水盆地SZB区块煤层气井的排采特征

China New Technologies and New Products(2018)

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Abstract
该文以沁水盆地SZB区块实际排采资料为基础,结合本区煤储层地质特征,通过对比的方法,综合分析了未控压排采、憋压排采、控压排采3种不同的控压方式对煤层气井产能的影响.指出控压的实质就是通过控制井底流压的变化,对煤层气井进行精细的排采控制,实现分级降低煤层气井的井底流压,从而使压降漏斗得到充分的扩展,提高煤层气井的产能.
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