Differential pressure sticking is the most one common sticking, it brings great harm to the petroleum drilling.
压差卡钻是最常见的卡钻事故之一，它给石油钻探工业带来了巨大的危害。
Correctly recognizing the differential pressure sticking is of great significance to reduce complex accidents of borehole, increase drilling speed and reduce the drilling cost.
正确认识压差卡钻，对于减少井下复杂事故，提高钻井速度，降低钻井成本具有十分重要的意义。
Kuqa's piedmont configuration is so complex that differential pressure sticking frequently occurs, which seriously restricting the drilling efficiency.
库车山前构造地质复杂，压差卡钻十分频繁，严重制约了钻井效率。
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