• API Connections

    In addition to our numerous proprietary technologies, Grant Prideco also manufactures rotary shoulder connections specifically endorsed by the American Petroleum Institute (API). Several of the API connections we provide are listed below:

    • Numbered Connections (NC)
    • Full Hole (FH)
    • API Regular
    • PAC
    • OH
    • SL
    • H90
    • etc.

    API connections are an economical option where the high torque capacity of a double shoulder connection is not necessarily a requirement (BHA, landing strings, etc.). Because they are public domain, API connections can conveniently be serviced in most drill stem repair facilities around the globe.

    The specifications for these drill stem connections can be found in API Spec. 5 DP Latest Edition, API 7-1 and 7-2 Latest Edition, API RP 7G Latest Edition, etc.

    For more information on API connections, visit American Petroleum Institute.

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