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本文介绍了高压层的形成、用声波法预测地层孔隙压力的基本原理及检测异常地层压力的方法。经川西北地区7口井的地层压力检测工作证实;用测井资料检测异常地层压力的方法在四川砂泥岩地层是可行的,且精度较高。
This paper introduces the formation of high pressure layer, the basic principle of using acoustic wave method to predict pore pressure and the method of detecting abnormal formation pressure. It is confirmed by the formation pressure testing of 7 wells in the northwest of Sichuan. The method of detecting abnormal formation pressure with logging data is feasible in Sichuan sandstone and mudstone formation with high accuracy.