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What Is The Casing Drilling
Jun 05, 2018

Casing drilling is the use of casing instead of drill pipe to drill torque and drilling pressure to achieve bit rotation and drilling. The drill rod and drill collar are not used in the whole drilling process. The bit is to use the wire rope to salvage the drill and realize the bit lifting in the casing, that is to say, the drill can be replaced without drilling and replacing the drill. It has reduced accidents such as drilling and blowout, sticking and drilling, improved drilling safety and reduced drilling cost.

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