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:
Aug. 15, 2017
Filed:
Dec. 17, 2013
Applicant:
Weatherford Technology Holdings, Llc, Houston, TX (US);
Inventors:
David E. Mouton, Missouri City, TX (US);
Federico Amezaga, Cypress, TX (US);
Jim Hollingsworth, Cypress, TX (US);
Assignee:
WEATHERFORD TECHNOLOGY HOLDINGS, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/07 (2006.01); E21B 41/00 (2006.01); E21B 33/038 (2006.01); E21B 33/06 (2006.01); E21B 17/02 (2006.01);
U.S. Cl.
CPC ...
E21B 41/0007 (2013.01); E21B 17/02 (2013.01); E21B 17/07 (2013.01); E21B 33/038 (2013.01); E21B 33/06 (2013.01);
Abstract
In one embodiment, a tubular lifting system for lifting a wellbore tubular includes an outer tubular; an inner tubular disposed in the outer tubular; an annular chamber defined between the inner tubular and the outer tubular; and a tubular piston selectively movable in the annular chamber, wherein the wellbore tubular is connected to the tubular piston and movable thereby.