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TianHe Oil Group Co., Ltd

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TianHe Oil Group Co.,  Ltd
TianHe Oil Group Co., Ltd
China
  • Products Catalog

    Drill Collar

    Drill Collar

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    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.



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