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Dongying Haixin Petroleum Equipment Co., Ltd
 
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Dongying Haixin Petroleum Equipment Co., Ltd
[China]
Address:
Shengli Industrial Park, Nan�r Road, Dongying City Dongying Shandong 257000 China
Phone:
86-0546-8180009
Contact name:
cailing sun , manager
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Dongying Haixin Petroleum Equipment Co., Ltd



 
Products

Drill Collar
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Drill Collar
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Drill collar is mainly used to provide bit weight  to drill bit so that drill pipe is tension. Especially drill collar can keep drill bit centralized and hole tract by large rigidity. Manufactured strictly from API spec 7.

 size from 3 1/8 to 11.

 Material:AISI 4145H.

 Length: 9.15m, 9.45m

 Type:Normal drill collars, Non-magnetic drill collars,Spiral drill collars.

Related Keywords: drill pipe , drill collar , drilling tools , oil pipe


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