... 压降曲线;产量下降曲线：drawdown curve 压降曲线：drawdown curve 压降漏斗：pressure conductive ability ...
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... pressure fall-off test 压降测试 pressure fall-off curve 压降曲线 Fall Blood Pressure Fruits 降血压水果 ...
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... pressure expansion curve 压力膨胀曲线 Pressure Drop Curve 压降曲线 pressure volume curve 压力 ; 容积曲线 ...
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压降样板曲线 drawdown type-curve
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油井和气井的压力不稳定测试，包括压降曲线测试和压力恢复测试。
Unsteady testing for oil and gas well includes testing of drawdown curve and build-up curve.
通过对抽水孔、观测孔压降曲线的分析对比，计算出能够代表地层特性的参数。
Through analyses and comparisons of depression curves parameters which may represent the behaviours of stratum are obtained.
通过对注水井压降曲线形态的分析，提出了压降曲线的等轴双曲函数的数学表达式。
The axisymmertyical hyperbola function mathematical formulation of pressure fall-off curves is given by analysing the pattern of the generous pressure fall-off curves of the injection wells.
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