The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 2020
Filed:
Jun. 19, 2017
Applicant:
Weatherford Technology Holdings, Llc, Houston, TX (US);
Inventor:
Jimmy Duane Wiens, Willis, TX (US);
Assignee:
Weatherford Technology Holdings, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/046 (2006.01); E21B 17/043 (2006.01); E21B 17/03 (2006.01); E21B 17/02 (2006.01);
U.S. Cl.
CPC ...
E21B 17/043 (2013.01); E21B 17/023 (2013.01); E21B 17/03 (2013.01); E21B 17/046 (2013.01);
Abstract
In one embodiment, a coupling system for a top drive and a tool includes a drive stem of the top drive configured to transfer torque to the tool, a key disposed on the drive stem and movable to an extended position, an adapter of the tool configured to receive the drive stem, a key recess disposed on the adapter and configured to receive the key in the extended position, and a biasing member configured to bias the key towards the extended position.