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In stock
Usage: As the major part of drill stem, drill pipe connected with Kelly and drill collar, which is used to put torque to drill bit and drill collar.
Material: G105, S135, X95, Grade E etc.
Standard: According to API Spec 5D standards. ALSO WE CAN SUPPLY DS-1 and NS-1 STANDARD.
Hard band:...
Group: Steel seamless tubes for oil and gaz magistrals
In stock | Wholesale and retail
Usage: Drill collars are used to provide weight on bit so that drill pipes are kept in tension. Especially drill collars can keep drill bits centralized and hole track by large rigidity
Material: AISI 4145H, 4145H Mod and Non - magnetic material.
Standard: API Spec7, API Spec7 - 1 and SY/T...
Group: Steel seamless tubes for oil and gaz magistrals
In stock
Usage: HWDP is the transition zone between drill collar and drill pipe. It can not only reduce stress-formation in the connection of drill collar and drill pipe, but also reduce the wear on OD. The wall thickness of heavy weight drill pipe is between drill pipe and drill collar, its structure is...
Group: Steel seamless tubes for oil and gaz magistrals
In stock
Price:
1000 CNY
бурильная труба
Материал: G105, S135, X95, Grade E etc.Стандарт: В соответствии со стандартами API Spec 5D. Также мы можем поставить DS-1 и NS-1 STANDARD.
Хардбрендинг: Arnco100XT, Arnco200XT and Arnco300XT; Botn1000, Botn3000, TCS8000, TCS-Titanium, Armacor M etc. Также мы можем сделать в...
Group: Equipment for oil production