Tool assembly apparatus and method

Abstract

An apparatus, comprising a body extending in an axial direction, a sleeve for the body, and locking means for locking the body and the sleeve. The body and the sleeve comprise complementary mating protrusions and recesses configured to positively interlock the body and the sleeve in the axial direction and configured to positively interlock the body and the sleeve rotationally by the locking means positively engaging the recesses in both the body and the sleeve. A method for fixing axially and rotationally a sleeve to a body, wherein the body extends in an axial direction, comprising the steps of: sliding in the axial direction the sleeve onto the body, positively interlocking the body and the sleeve in the axial direction by rotating the sleeve relative to the body, and positively interlocking the body and the sleeve rotationally by sliding in the axial direction locking means into the body and the sleeve, the locking means comprising extensions positively engaging recesses in both the body and the sleeve. Use of the apparatus or method as above for attaching external tool elements or tool components for operations done in connection with open holes, risers, marine risers, wellbores, casings, or liners.

Dependencies are inferred from the claim text.