Mechanical internal cutter is a special tool to cut pipe in pipe string, with exception of coupling, it can cut at any position of fish ( fallen object) . During cutting operation, ....

JKQ type roller reamer is used for reaming in drilling operation, especially used for the function of stablization in drilling of the abrasive formation, it is a very popular tool....

CSJ type super fishing jar is a fishing tool which the jarring force is larger than other jar with same specification. It features a closed structure , reliable performance, easy....

The hydraulic bucking unit is an important equipment for make-up / break-out, repairing all kinds of tools such as drill tools, pipe stems and downhole tools for petroleum and....

It reaches API Spec7-1 and SY5144 standard.

Releasing and circulating overshot is LT-T type special external fishing tool used for fishing drill collar, drill pipe, tubing and other fishes in drilling and work over....

Integral 3-spiral Blade Stabilizer, Integral 4-Spiral Blade Stabilizer ( string type, near bit type) . The working hardfacing surface ( also called as wall contact) materials available....