Factors affecting constant pressure difference control method and advantages and disadvantages of the control plan are analyzed theoretically through pipe system head curve and pump performance curve.
根据管道水力特性曲线与水泵的性能曲线，运用理论分析的方法，对影响末端定压差控制方式的因素和该控制方案的利弊进行了分析。
The difference between static bottomhole pressure and flowing bottomhole pressure (in psi) at a constant fluid production rate.
在恒定的流体产量下，在井底静压力与井底流动压力之间的压力差值。
Gas transmission rate: the volume of gas which, under steady conditions, crosses unit area of the sample in unit time under unit pressure difference and at constant temperature.
译文：气体透过率：在一定的温度下，在单位时间内单位压力差下，稳定透过单位面积试样的气体体积。
While the pressure difference between the inlet of fracture and the outlet of fracture is constant, the transmissibility of fracture surface will decrease with the rising fractal dimension.
在对裂隙两端施加相同压力差的条件下，裂隙面的等效导水系数会随着分形维数的增加而降低。
Under the constant production rate condition, the pressure difference at the heel increases with time.
对定产量生产，跟端压差随时间逐渐增大；
Under the constant production rate condition, the pressure difference at the heel increases with time.
对定产量生产，跟端压差随时间逐渐增大；
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