Integral Heavy Weight Drill Pipe, China Integral Heavy Weight Drill Pipe Supplier

Integral Heavy Weight Drill Pipe - 2 7/8-6 5/8

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Made from AISI　4145H alloy steel and fully heat treated, all its physical properties conform to the latest API Spec7. Heavy drill pipe is the transition section between ordinary kelly and drill collar. It can relieve the stress concentration of the combination of drill collar and kelly during the transition. Besides, it can provide drill pressure and reduce the linked area of drill stem and side wall, as well as wear rate of OD. There is an upset section in the middle of drill pipe. The drill pipe and joint are welded with cemented carbidehardbanding, which can efficiently keep the pipe from wearing. HWDP can replace drill collar and solve series of problems appearing in the vertical well of softer geological structure. Its advantages are as follows:
? Reducing torque in high-rpm or deep drilling.
? Bring along the drill collar of stem within less time.
? Reducing the tiresome damage of tool-joint connection.
? Easy for the stem’s handling and operating
? Helpful for keeping the direction of directional well
Our IHWDP, Shanxi Weigao Integral Heavy Weight Drill Pipe is welded with standard hardbanding on the two ends’ joints and middle-upset section. Both pin and box end have one 4” hardbanding (one 1” hardbanding on 18shoulders of the box end can be added according to customers’ requirement) and the middle-upset section has one 3” hardbanding. The sickness of hardbanding is within 1/8” of the abutting surface (it can be increased if needed).

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Shanxi Weigao Petroleum Drilling Tools CO., LTD

Address: NO.3, South Industrial Zone of Nanshahe, Songzhuang Shuiyu, Taiyuan, Shanxi, China, 030045
Tel: 0086-0351-2598640
Shanxi Weigao Petroleum Drilling Tools CO., LTD, a private high-tech enterprise with years of history in the production of petroleum drilling collars, square kellys, and other products, produces series of petroleum drilling machineries and non-excavation drills professionally. It assembles scientific research, production and marketing into a whole. We have many kinds of high-precision manufacturing and inspection equipment: special numerical-control pipe thread lathes, large milling machines, deep-hole boring machine drillings, friction welding, heat treatment production line with medium frequency as well as variety of thread gauges, single measuring instruments, thickness gauges, hardness testers, ultrasonic flaw detectors, ballistic work testing machines, universal testing machines with microcomputer displaying hydraulic pressure, and so on. With sophisticated production equipment, strict inspecting ways and strong technology, we have mastered the key technique in nationalizing petroleum drilling tools. API standard is implemented strictly throughout the whole process of production. Our company has already won the Certification of Quality System ISO9001: 2000 and has obtained the product logo licenses of API SPEC 7-1 (certificate No. 7-1-0625) and API Q1 (Certificate No. 0571), which are issued by American Petroleum Institute.