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    API 5B
    Connections & Couplings

    API LTC

    Long Thread Coupling - extended engagement thread for improved joint strength over STC connections.

    Overview

    API LTC provides longer thread engagement than STC, offering improved tensile efficiency and better sealing characteristics. It remains cost-effective while addressing limitations of short-thread designs.

    Technical Specifications

    SealingThread compound
    Thread Form8-round
    Thread LengthExtended
    Tensile EfficiencyImproved over STC

    Applications

    Intermediate casing
    Production casing
    Moderate pressure wells
    Extended depth wells

    Frequently Asked Questions

    What is API LTC?

    API LTC provides longer thread engagement than STC, offering improved tensile efficiency and better sealing characteristics. It remains cost-effective while addressing limitations of short-thread designs.

    What are the applications of API LTC?

    API LTC is commonly used for: Intermediate casing, Production casing, Moderate pressure wells, Extended depth wells.

    What API standard applies to API LTC?

    API LTC is manufactured according to API 5B specifications.

    Manufacturers

    No manufacturers linked yet.

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