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| Product Name: |
Drill collar
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| Supply Ability: |
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| Related proudcts |
drill collar, drill collar, drill collar, |
| Specifications |
Drill collar |
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drill collar,slick drill collars, spiral drill collars, non-magnetic drill collars,API drill collar,API 7-1 drill collar,NS-1 drill collar,4145H drill collar,Spiral Drill Collar With Elevator Groove And Slip Groove; Drill Collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity. TIANHE brand drill collars are manufactured strictly from API Spec7-1 and SY5411 standard.
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| Company: |
TianHe Oil Group HuiFeng petroleum equipments Co.,Ltd
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| Contact: |
Mr. Casper Dean |
| Address: |
NO.43 DiMing Street |
| Postcode: |
157011 |
| Tel: |
86 453 5979983 |
| Fax: |
86 453 5979992 |
| E-mail: |
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