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The AJ type safety joint is a specialized tool used for emergency separation of downhole tubulars in petroleum drilling operations. It belongs to the high-performance products in the safety joint series and is especially suitable for deep wells, ultra-deep wells, and complex well conditions.

The H-type safety joint is a special emergency tool used in petroleum drilling operations, mainly for the safe separation and retrieval of downhole tubulars. In emergency situations such as stuck pipe or tool jamming, it can quickly release the stuck tubular, protecting the upper drilling tools and reducing accident losses.

The back-off tool is a specialized tool used in petroleum drilling operations for emergency separation of downhole tubulars. It is mainly used to safely disengage stuck drilling tools during stuck pipe incidents, preventing more severe downhole complications caused by forced drilling.

The milling tool is a specialized tool used in oil drilling and well repair operations, mainly for casing window milling, casing section milling, and wellbore restoration tasks. It precisely mills windows or removes specific casing sections on the casing to create conditions for sidetracking, perforation, and other operations.

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