... formation porosity 地层孔隙度 formation pressure gradient 地层压力梯度 formation reaction 地层反作用力 ...
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原始地层压力 Original formation pressure，lnitial formation pressure 地层原力梯度 Formation pressure gradient 地层压力系数 Formation pressure coefficient ..
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formation seepporting hydrostatic pressure gradient 地层支撑液柱压力梯度
Multiple tests can be performed to measure formation pressure, and the formation pressure gradient can be established, accordingly, interface between oil, gas and water can be identified.
可以进行多次压力测试以建立地层压力梯度，从而判断油、气、水界面。
The method is presented to determine formation average pressure and boundary pressure with threshold pressure gradient and injection-production ratio.
给出了考虑注采比和启动压力梯度的平均地层压力和边界压力的确定方法。
The result shows that the change of gradient of kick-off pressure, the storage ratio and the ratio of formation coefficients have relatively big effect on the slug flow well test result.
结果表明：启动压力梯度、层间储容比、地层系数比的变化对段塞流试井解释结果有较大的影响。
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