explosive fishing的意思|示意

This paper describes the surface test and field application of using explosive method to dispose PDC bit fishing accident.

介绍了大庆油田利用爆炸破碎后打捞的方法，处理PDC钻头落井事故的地面试验及现场施工情况。

To facilitate the fishing or recovery operation, the backoff is usually accomplished by applying reverse torque and detonating an explosive charge inside a selected threaded connection.

为进行打捞或回收钻柱，通常的卸开作业总是采用反扭矩，和在所选用的丝扣连接内引爆炸弹。