The gas drilling technology is increasingly applied these days due to its high ROP, effective prevention of the cave-in of water-sensitive shales and the capability to eliminate lost circulations.
气体钻井由于其机械钻速快，能有效防止水敏性泥页岩坍塌，杜绝井漏。
The chlorine log was originally sensitive to shales but a shale-compensated chlorinity log is now available.
最初的氯测井对泥岩较为敏感，现在可以使用一种补偿泥岩氯测井方法。
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