第三章中推导了两种不同储层条件下的水平井非达西稳态渗流方程。
In chapter three, horizontal well non-darcy steady flow productivity formula for two different reservoir 'conditions were derived.
用等值渗流阻力法解决了这个难题，建立了裂缝性低渗透油藏稳态渗流的理论模型。
Using the steady-state productivity equation, a conventional method, is difficult to theoretically deal with the randomly dispersed natural fractures.
为了研究低渗透砂岩的启动压力梯度，设计了一种非稳态渗流中测量压力的试验方法。
The threshold pressure gradient of low permeability sandstone was studied experimentally by measuring the pressure attenuation in an unsteady seepage flow.
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