non-magnetic drill collar
  • Near Bit Drill Collar

    Near Bit Drill Collar

    There are three types of drill collars, ordinary drill collars, spiral drill collars, and non-magnetic drill collars. Ordinary drill collars are generally made of 4145H steel. Non-magnetic drill collars are made of non-magnetic materials and made of stainless steel. Therefore, non-magnetic drill collars are generally not painted. Spiral drill collars have spiral grooves throughout the body, which is very different in appearance from ordinary drill collars.

    near bit drill collar LWD Sub LWD collar
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  • 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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