Break-out assembly for a drilling machine
AssigneeAtlas Copco Drilling Solutions LLC
InventorsSteven B. Tweedie, Timothy W. Ledbetter, James M. Benson, Maureen A. Bohac, Iain A. Peebles
Life of this patent
Estimating the term…
Abstract
A break-out assembly includes a slide wrench assembly, and a slide wrench rotator assembly which rotates the slide wrench assembly in response to actuating first and second rotator assembly cylinders. The first and second rotator assembly cylinders are actuated in opposed directions. The break-out assembly includes a clamp assembly having opposed arm assemblies which are rotatable about separate pivot points.
Claims21
A break-out assembly, comprising:
- a slide wrench assembly;
- and
- a slide wrench rotator assembly which rotates the slide wrench assembly in response to actuating first and second rotator assembly cylinders.
A break-out assembly, comprising:
- a slide wrench assembly;
- and
- a slide wrench rotator assembly coupled to the slide wrench assembly with a drill string sleeve, wherein the slide wrench rotator assembly rotates the slide wrench assembly.
A method of disconnecting first and second drill pipes of a drill string, comprising:
- engaging the first drill pipe of the drill string with a slide wrench assembly;
- and
- rotating, with a slide wrench rotator assembly, the slide wrench assembly in response to actuating first and second rotator assembly cylinders.
Dependencies are inferred from the claim text.