煤层气排采动态参数及其相互关系
Coal Geology & Exploration（2008）
Abstract
排采制度是保证煤层气井生产排采成功的依托,利用统计、对比的方法,对试验区排采过程中的产气量、产水量、套压和动液面等参数进行综合研究.结果表明,区内煤层气排采过程及其动态参数具有明显的阶段性特征;排采过程中,动液面深度和套压为正相关关系,二者可通过相互调整控制井底压力.根据各阶段排采动态参数的特征,提出了与各排采阶段相适应的排采制度.
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Key words
well-bore fluid pressure,casing pressure,water level,CBM well extraction,production system
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