�  -cutting tool, drill bit

-cutting tool, drill bit

Cutting Tool

Drill Bits

Oil Drill Bits

Mining Bits

Drill Collars

Drill Pipes

Drilling Tools

Bit Coals

About Weigao Drill collars

Weigao Drill collars description:
The drill collar is used between the drill pipe and the bit in the drill stem. It is used to put weight on the bit so that the bit can drill.

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. Main Product: 1.Kelly Series: Double, triangle, square and hexagon kellys. 2.Integral heavy weight drill pipes, integral non-magnetic heavy weight drill pipes. 3.Drill collar: standard drill collars, spiral drill collars, non-magnetic drill collars and short drill collars. 4.Lifting subs and drill stem subs. 5.Non standard small size drilling tools. 6.Non-excavation drilling tools, drill stems, short bent subs and directional bits. Our products can be used in the fields of Petroleum exploration, coal exploration, hydrogeology, non-excavation traversing and so on, they can repair used drill stems and tools, with threads and others. Please feel free to contact us if there is something we can do for you. Looking forward to our sincere cooperation.

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