Company Info

Tianhe Perroleum Group
[China (Mainland)]

Online Postings: Products [3] Offers [2]
Country/Region : China (Mainland)

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Tianhe Perroleum Group
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  • The wall thickness of heavy weight drill pipe is between drill pipe and drill collar,its structure is simliar with drill pipe.
    [Related Keywords:petroleum , downhole , drill]
  • drill collar 2009-11-19
    Drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension
    [Related Keywords:4145H , oil]
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