Others

Die collar is a special external fishing tool which is engaged on the outside wall of tubing objects such as oil tubing and drill pipe...

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...

AJ type safety joint is a specialized sub consisting of two parts. The specialized sub takes protective effect for drilling, ...

DLM-T type reversing spear in reversing operation owns two functions which can go fishing and transfer left-hand torque at the same time...

H type safety joint, which is installed on the position for subsurface drill stem and can bear in fishing operation all kinds of loads ...

The sliding block spear is an internal fishing tool which can be used both to catch drill pipe, tubings, washover pipes, liners, packers......

DLT-T type Releasing and revering overshot, a new type of fishing tool, has many advantages owned by various overshot, box tap and the like...

FXF type non-rotating stabilizer (rubber sleeve stabilizer) is a special tool in drilling to avoid blade wear and wall damage. During drilling......

Float valve stabilizer is mainly used in near bit type stabilizer while working for preventing from borehole deflection ......

Replaceable sleeve spiral stabilizer is made of a body and a centralizing body (refer to sleeve replaceable).The advantage is that the sleeve ......

Integral 3-Spiral Blade Stabilizer. Integral 4-Spiral Blade Stabilizer(string type near bit type).The working hard facing surface...

Cutting Pilot Mill Shoes
Cutting pilot mill can be used to mill downhole junks with inner bore and shaking junks, such as drill pipe, drill collars

Flat-Bottom Junk Mills
MP type flat-bottom junk mill and MA type Concave-Bottom Junk Mills is bead welded YD alloy or others abrasive material

Cable Fishhook
The cable fishhook is used not only to catch electric pump cables or wirelines but also to catch bent sucker rods broken in casings

Tool Joint
Tool Joints are made of AISI 4137 premium alloy steel fully and machined by CNC lathes. All connections are phosphatized, coated with

Integral Heavy Weight Drill Pipe
The wall thickness of heavy weight drill pipe is between drill pipe and drill collar. Its structure is with drill

FT Type Drop-in Check Valve
FT type drop-in check valve is a kind of inside BOP (blowout preventer) in the drill string. It is simple in structure

Drift Diameter Gauge
Drift diameter gauge is a simple and general tool designed to measure inside drift size of casing, tubing, and drill pipe and o

Lifting cap
Lifting cap is a special tool for lifting of drilling tools in petroleum, natural gas ,drilling engineering and geographical exploration

Casing scraper
Casing scraper is ideal for the removal of dirties which may be left the inside wall of casing, such as solid cement, hard wax