Shanxi Weigao Petroleum Drilling Tools CO.,LTD

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1. Integral Heavy Weight Drill Pipe

A. Integral Heavy Weight Drill Pipe

Note: The wall thickness of heavy weight drill pipe is between drill pipe and drill collar, its structure is similar with drill pipe. It is made from premium alloyed steel. Its both tool joints and middle ...

2. Non-magnetic Drill Collar

1. Material: Non magnetic steel

2. Shape: It is the round pipe with smooth surface and thick wall, and the both ends are machined screw thread for connection.

3. Use: It is mainly used for the inspection in the process of petroleum drilling.

...

3. API Spiral Drill Collar

1) Drill pipe OD: 2 7/8", 3 1/2", 4", 4 1/2", 5" 5-1/2"
2) Steel Grade: E75, G105, S135

3) Type of end finish: EU-external upset, IEU-internal & external upset

4) All drill rod are made according to ...

4. API Drill Collar for hot sale

Drilling Collar
Drill collars is one of the most important product of WEIGAO oil drillings which mainly used to provide bit weight to drill so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track ...

5. API 5D Drill Pipe for hot sale