In addition, this amended method can also be used to diagnosis whether the hot loss effect seriously affects the availability of pressure fall off test.

此外，修正方法还能判断热损效应是否严重地影响压力降试井方法的可用性。

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The test method of pressure loss, flow loss and frictional force loss etc. of the hydraulic pumping units is presented, from which the mechanical efficiency and volumetric efficiency are obtained.

给出了测取液压抽油机系统压力损失、流量损失以及油缸的摩擦力损失等的方法，并由此求出系统的机械效率与容积效率。

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During thermal recovery, to estimate swept volume with pressure fall off test is very important, while hest loss effect of the formation can not be ignored during analysis of pressure fall off test.

在热采项目中用压力降试井来估算蒸汽波及体积是非常重要的，而地层中热损效应在压力降试井分析中又是不可忽略的。

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