...书馆 关键词:煤层气;羽状水平井;分支参数;数学模型;径向入流剖面 [gap=1840]Key words:coalbed methane;pinnate horizontal well;branch parameter;mathematical model;radial inflow profile ..
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定向羽状水平井技术是近几年兴起的一项煤层气地面抽采技术。
The directional pinnate horizontal multilateral well has been a rising technology in recent years for increasing coalbed methane recovery.
建立了对非均质各向异性双重介质煤层气进行定向羽状水平井开采的数学模型。
A mathematical model for describing coalbed gas recovery in heterogeneous anisotropic dual medium of pinnate horizontal multilateral Wells was established.
计算结果表明，利用定向羽状水平井能够大幅度提高低渗透煤层气的开采效率。
The result of simulation showed that the gas production in low-permeability coal bed could increase greatly by drilling pinnate horizontal multilateral Wells.
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