Drill Collar
group nameDrill Collar
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Min Order1 piece
modelDrill Collar
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update timeThu, 21 Jul 2011 14:49:25 GMT
Packging & Delivery
Min Order1 piece
Briefing
Drill Collar
Drill Collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension.
Drill Collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension.
Detailed
Drill Collar
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.
