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Spiral Drill Collar
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Spiral Drill Collar

Spiral Drill Collar
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Description

Spiral Drill Collar 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;

Spiral Drill Collar is used to reduce contact area with hole so as to avoid efficiently bit sticking from differential pressure. TIANHE brand spiral drill collars are manufactured strictly according to API Spec7-1 and Standard SY5144.

Spiral Drill Collar , drill collar, ,

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hexagonal kelly...

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Non-Magnet drill collar...

TianHe Oil Group HuiFeng petroleum equipments Co.,Ltd

Drill Collar (DC),Drill pipe (DP),Heavy weight drill pipe(HWDP),square kelly,hexagonal kelly,stabilizer,Hole opener, Roller reamer, Casing scraper, Internal Casing Cutter,External

Address: No.43, West Diming Street, ,
Mudanjiang City, Heilongjiang Province
China, 157011

Tel: 0086-453-5979983
Fax: 0086-453-6531608

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