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缩短抽油井测压时间 ,可通过校正续流来进行。对应用Duhamel原理得出的卷积积分提出了显式解。用该解解释早期段测试数据 ,能消除续流影响 ,加快压力恢复速度达到缩短测试时间的目的。同时 ,还解决了其他早期段分析方法不能求地层压力的矛盾
Shorten the pumping well pressure measurement time, can be carried out by correcting the freewheeling. Explicit solutions to the convolution integrals obtained using the Duhamel principle are presented. Using this solution to explain early test data can eliminate the effect of freewheeling and speed up the pressure recovery to shorten the test time. At the same time, it also solves the contradiction that other early stage analysis methods can not seek formation pressure