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DRILL COLLAR

  • China China  
  • Last Updated:
    Posted on: 24 Apr 2024

RFQ 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. Drill collar are manufactured strictly from API Spec.7 and SY5144 standard. Drill Collar are manufactured from AISI 4145H modified steel.


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