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 Committee Scope

API SC8 develops and maintains approximately 11 standards on:

  • TG1: drilling structures - Spec 4F and RP 4G;
  • TG2: drilling equipment - Spec 7K and RP 7L;
  • TG3: hoisting equipment - RP 8B and Spec 8C;
  • TG4: wire rope and roller chain - Spec 9A, RP 9B, and Spec 7F;
  • TG5: hammer unions - RP 7HU1 and Spec 7HU2;
  • TG8: calibration and field verification - 8FV1.

You can get further details and scopes of these standards in the Exploration and Production section of the API Publications catalog at

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