Mudanjiang Dongxu Machinery Co., Ltd

DLQ type multifunction fishing tool is a combination tool integrating fishing cup, fishing magnet and catchall

Cone Fisher is one new-type fishing tool for retrieving objects from the downhole in order to keep the downhol

Releasing and Circulating Overshot is LT-Ttype special external fishing tool used for fishing drill collar, dr

In Drilling and work over operation, LM-Ttype releasing spear is a tool mainly used for fishing of drill pipe,

The taper tap is specialized in cutting thread and fishing internally in dropped objects such as tubing, drill

Box Tap is engaged on the outside wall of tubing objects such as oil tubing and drill pipe. it can be used in

The ZFF Type Float Valve is one kind of unidirectional check valve which can be used in preventing from blowou

Drilling stabilizer is an important tool to control hole deviation in petroleum and gas exploration drilling p

Arrow Back Pressure Valve is an integrated tool which can prevent dowhole kick from blowout, also keep off th

Drilling stabilizer is an important tool to control hole deviation in petroleum and gas exploration drilling p

Drilling stabilizer is an important tool to control hole deviation in petroleum and gas exploration drilling p

Kelly automatic leakproof valve is connected to lower end of kelly so as to prevent platform and operating env

The Roller reamer is designed for any reaming operation and particularly for stabilization purposes when drill

Inside Blowout Preventer is a quick well head preventer which is the necessary tool assigned by the internatio

When blowout is going to happen, the kelly rod should be removed immediately and throw the back pressure valve

Tapered Stabilizer is suited for formation which easily reduces diameter. When happen bit freezing accident, i

Replaceable Sleeve Stabilizer is an important tool to control hole deviation in petroleum and gas exploration

Spherical Stabilizer is an important tool to control hole deviation when drilling a horizontal well or a defle

Drilling stabilizer is an important tool to control hole deviation in petroleum and gas exploration drilling p