Main Products: drilling tools ,fishing tools ,workover tools ,milling tools ,fishing tools of asist ,ground equipment ,directional tools , cementin tools ,coring tools
Drill Collar
Negotiable /Piece
Min.Order:1 Piece
Mudanjiang Dongxu Machinery Co., Ltd.
Business Type: Trading CompanyMain Products: drilling tools ,fishing tools ,workover tools ,milling tools ,fishing tools of asist ,ground equipment ,directional tools , cementin tools ,coring toolsProduct Details
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.
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