套管钻井是指用套管代替钻杆对钻头施加扭矩和钻压，实现钻头旋转与钻进。整个钻井过程不再使用钻杆、钻铤等，钻头是利用钢丝绳投捞，在套管内实现钻头升降，即实现不提钻更换钻头钻具。减少了起下钻和井喷、卡钻等意外事故，提高了钻井安全性，降低了钻井成本。
带电缆可回收的钻井锁组合是套管钻井的核心部分。
The wireline retrievable drill lock assembly is the heart of the casing drilling system.
新的测井概念(如动电测井、套管钻井测井等)进展迅速。
New logging concepts of electrokinetic logging and casing drilling are developing rapidly.
简要介绍了气体钻井、泡沫钻井和套管钻井等特殊钻井技术。
Well logging technology and techniques for gas drilling, foam drilling and casing drilling are summarized and analyzed in this paper.
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