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API 7-1 Mechanical Type Drilling Jar And Releasing Stuck Tools

Drilling Jar Type BZ is full mechanical type drilling jar and releasing stuck tool. The Drilling Jar integrates the upward jarring with the downward jarring so that it can release from the tight pull or the sticking etc. during drilling. The load(jarring force)scope of the ...

DYLPT [Energy] [Other Energy Related Products] [2018-12-07 17:09:44 ]