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China high quality Integral Heavy Weight Drill Pipe Tolerances
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| Post Date: | Nov 18,2013 |
| Expiry Date: | Nov 18,2014 |
| Detailed Description: |
Quantity: 10000Metric Tons Price:3658 USD Metric Tons Integral heavy weight drill pipe is made of AISI 4145H alloy steel, after all the material heat treatment, the latest API spec 7 meets all the physical properties. Heavy weight drill pipe is the transition between the drill pipe and drill collar drill string section, which can effectively alleviate the drill collar and the drill pipe in the combination of the transition section of the stress concentration, supplies drilling area and outer wear rate connection drill string and borehole wall, and can effectively reduce pressure. The drill pipe has a central part of the thickened section, the appearance of welding hard alloy parts of joints and the thickening of the wear-resistant belt, can effectively protect against wear of drill pipe. Heavy weight drill pipe can replace the drill collar in geological conditions of soft, a series of problems appearing in the vertical drilling, its advantages include: 1, to reduce the high speed drilling, deep well drilling torque 2, use less time to drive the drill collar part 3, reduce the tool joint fatigue damage 4, convenient operation and operation of the drill column 5, can help to maintain directional wells more of our Henan Wein Integral heavy weight drill pipe：http://www.petroleum-drilling.com/petroleum-drilling-tools/heavy-weight-drill-pipe.html |
| Company: | HENAN WEIN INDUSTRY CO.,LTD. [ China ] |
| Contact: | hewei |
| Tel: | 86-371-65807516 |
| Fax: | |
| Email: | weindipipe@gmail.com |
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