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:
Sep. 03, 2019
Filed:
Oct. 24, 2016
Applicant:
Weatherford Technology Holdings, Llc, Houston, TX (US);
Inventors:
Karsten Heidecke, Houston, TX (US);
Joseph Ross Rials, Tomball, TX (US);
Raleigh Fisher, Houston, TX (US);
Delaney Michael Olstad, Clear Lake, TX (US);
Assignee:
WEATHERFORD TECHNOLOGY HOLDINGS, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 3/02 (2006.01); E21B 19/06 (2006.01); E21B 17/02 (2006.01); E21B 17/00 (2006.01); E21B 19/16 (2006.01); E21B 17/04 (2006.01);
U.S. Cl.
CPC ...
E21B 3/02 (2013.01); E21B 17/003 (2013.01); E21B 17/02 (2013.01); E21B 17/028 (2013.01); E21B 17/04 (2013.01); E21B 19/06 (2013.01); E21B 19/16 (2013.01); E21B 19/165 (2013.01);
Abstract
In one embodiment, a top drive system includes a quill; a motor operable to rotate the quill; a gripper operable to engage a joint of casing; a connector bi-directionally rotationally coupled to the quill and the gripper and longitudinally coupled to the gripper; and a compensator longitudinally coupled to the quill and the connector. The compensator is operable to allow relative longitudinal movement between the connector and the quill.