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| Product Name: |
Drill Collar
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| Related proudcts |
oil equipment, |
| Specifications |
Drill Collar |
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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.
A drill collar is made of structure steel alloy forged or rolled from AISI 4145H.The drill collar is processed and made as per Standard API SPEC 7. Thermal treatment is conducted over the whole length of the products to ensure that its mechanic performance can meet the provisions under the Standard API SPEC 7. Its Brinell hardness ranges between 285 and 341. And i***ct energy of its Charpy V-shaped notch can be 40 ft-lb at a temperature of 1 inch below the surface of the pipe.
Our co***ny may, as per users'requirements, process slips and elevator grooves on drill collars. Hoisting joints and safety grips are not required for the grooves to ensure safety during operations. The dimensions and shapes of the slips and elevator grooves all comply with the provisions under the Code API RP 7G.
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| Company: |
Yao Fu Technology Co., Ltd.
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| Contact: |
Ms. Nina Feng |
| Address: |
Room 2201,Building 3 of Zhen Xiang Bao Ku,NO. 5,Wei Yang Road,Xi'an,Shaanxi Province,China |
| Postcode: |
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| Tel: |
86-029-89364974 |
| Fax: |
86-029-89364974 |
| E-mail: |
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