p550
  • API Spec 7-1 P550 P530 Nmdc Non-Magnetic Drill Collars

    API Spec 7-1 P550 P530 Nmdc Non-Magnetic Drill Collars

    Product description MWD nonmagnetic short crust, Matching tools for wireless drilling drilling trajectory control instrument (regular sizes see thefollowing table, we also can produce the ones according to client's requirements) API Mechanical non-magnetic short crust drilling collar for well drilling tools API NMDC for well drilling

    drill collar API drill collar LWD sub
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