TIANHE PETROLEUM MACHINERY CO.LTD

Releasing and Circulating Overshot is LT-T type special external fishing tool used for fishing drill collar, d

The hydraulic bucking unit is an important equipment for make-up/break-out, repairing all kinds of tools such

SJ type double way shock absorbers is a kind of double-way shock absorbing tool which is used to simultaneousl

The wall thickness of heavy weight drill pipe is between drill pipe and drill collar, its structure is similar

Drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially dr

Kellys is driving section of wohole drill stem. Kelly is available with square Kelly and hexagonal Kelly. W

Taper tap is a special tool cutting thread and fishing internally in dropped objects such as tubing, drill-pip

Integral *-Spiral Blade Stabilizer, Integral *-Spiral Blade Stabilizer(string type, near bit type). The workin

CLF type fishing magnet in petroleum and geology exploration is used for fishing of small fallen objects in th

Cross-over sub acts for conversion and connection of drill stem component in petroleum, natural gas and geolog