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|Product Name:||Geological Drill Rod / Pipe||Material:||Alloy Steel|
|Usage:||Well Drilling||Specification:||All Specifications|
directional drilling tools,
downhole oil tools
Geological drill rod / pipe for well drilling
Geological drill pipe is a kind of geological drilling tool designed and produced by friction welding process of geological alloy steel pipe.
The geological drill pipe body is made of special alloy steel pipe (R780, DZ50), and the geological drill bit is made of high quality alloy structural steel (42CrMo), which is treated by real air conditioning, greatly improving the fatigue strength and shear strength.
Adopting the advanced friction welding process, the drill pipe has the characteristics of high bending strength and solid welding, which can ensure the requirement of straightness when drilling deep holes, with high fatigue strength and long service life.
|(No.)||Diameter(mm)||Length(mm)||Thread type||Manufacturing technique||Connection|
|1||Φ34||500~3000||Taper thread||Friction welded||Pin and box|
|7||Φ35||Rectangular internal thread||Body lathing thread||Joint connection|
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