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Integral Heavy Weight Drill Pipe - China

price: contact company for price

The tool joints are made of AISI 4145H premium alloy steel fully Q&T

with the IPSEN furnace .

All the joints are inspected by Florescence Magnetic Particle and the Ultrasonic method. The pipe body goes under very serious inspection in conformance with API 5D.

The welding between the drill pipe an tool joint is accomplished with the Friction Welding machine, the welding process is swift & steady under computer control.

The weld zone is quenched and tempered through the induction process which is computer controlled in real time.

1. High precision in size and shape

2. Good low temperature toughness

3. Excellent comprehensive mechanical properties

4. High connection strength and sealability

5. Large inside diameter of tool joint

6. High torque resistance

7. High fatigue strength and long fatigue life

Company Contact:

  • Phone: 08603514388799

  • Address: No.3,South Industrial Zone Of Nanshahe, Songzhuang, Taiyuan, China

  • Email: Email

Published date: July 17, 2013 -

  • Business Description: Shanxi Weigao Petroleum Drilling Tools Co., Ltd, a private high tech

    enterprise integrating scientific research, production and marketing,

    with years of history in the production of petroleum drilling collars,

    square kellys, and other products, produces series of petroleum drilling

    machineries and no excavation drills professionally.

    We have many kinds of high precision manufacturing and inspection equipment: special numerical control pipe thread lathes, large cylindrical lathes, milling machine, deep hole boring machine, friction welding machine, medium frequency heat treatment production line, as well as variety of thread gauge, single measuring instruments, thickness gauges, hardness testers, ultrasonic flaw detectors, ballistic work testing machines, universal hydraulic testing machines with microcomputer display and so on.

    With sophisticated production equipment, strict inspecting method and strong technology strength, we have mastered the key technique in producing petroleum drilling tools, whole process of production meet the requirement of API standard. Our company has already won the Certification of Quality System ISO9001:2000 and has obtained the product logo licenses of API SPEC7 1 (Certificate No.7 1 0625) and API Q1 (Certificate No.0571), which are issued by American Petroleum Institute.

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