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Contact Us
- Contact Person : Ms. bai Sophia
- Company Name : Tianhe Oil Group Huifeng Petroleum Equipment Co., Ltd.
- Tel : 0086-0453-6558966
- Fax : 0086-0453-5979992
- Address : Heilongjiang,MuDanjiang,NO.43,West Diming Street,Mudanjiang City,Heilongjiang Province of China.
- Country/Region : China
- Zip : 157011
Drill Collars
Product Detailed
Related Categories:Tool Parts
We have obtained the API sec 7, 5CT, 6D, 7K monogram right and certificate of ISO 9001: 2000.
01 Design & working procedure Conform to the requirment of API Spec 7
02 Non-API standard type of drill collars are also available as per client'request
03 Cold-rolled thread roots
04 Thread connections are performed with stress relief grooves
05 phosphated threads applied
06 with elevator recess & slip recess and Sprial grooves
Drill Collars
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