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Shanxi Weigao Petroleum Drilling Tools Co., Ltd
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About Us
Our company mainly produces drilling tools: square and hexagonal kellys,heavy weight drill pipes,spiral heavy weight drill pipes,non-magnetic intergral heavy weight drill pipes,all kinds of drilling collars,lifting subs,non-excavation drill tools,cross-over subs,many kinds of high-precision manufacturing and inspection equipment: special numerical-control pipe thread lathes, large cylindrical lathes, large milling machines, deep-hole boring machine drilling, friction welding, heat treatment ...
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square kelly: 2-1/2" 2-7/8" 3" 3-1/2" 4-1/4" 5-1/4"
Kelly is on the top ...
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Specification:3" 3-1/2" 4-1/4" 5-1/4" 6''
Kelly is on the top of drill ...
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slip groove made on box thread face of slick collar can be used as lifting ...
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It's made from N1310 low carbonalloy-steel and forged by strict chemical ...
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Company Name: |
Shanxi Weigao Petroleum Drilling Tools Co., Ltd |
Country/Territory: |
China |
Business Type: |
Manufacturer
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Registration Date: |
2008/12/19 (Year/Month/Date) |
Buyer / Seller in EC21: |
Seller |
Keyword |
square kelly, drill collar, drill pipe, heavy weight drill pipe, nonmagnetic drill collar, hexagonal kelly, drilling collar, drill tool, lifting sub, drillstem sub, HWDP |
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