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. 27, 2016
Filed:
Dec. 21, 2012
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Gary Rytlewski, League City, TX (US);
Kirk Wallace Flight, Spring, TX (US);
John Yarnold, League City, TX (US);
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/035 (2006.01); E21B 33/064 (2006.01); E21B 34/04 (2006.01); F15B 1/02 (2006.01);
U.S. Cl.
CPC ...
E21B 33/0355 (2013.01); E21B 34/045 (2013.01); F15B 1/02 (2013.01); F15B 2211/212 (2013.01); F15B 2211/214 (2013.01);
Abstract
A method for pressurizing a hydraulic accumulator includes creating an annulus pressure zone in hydraulic communication with the hydraulic accumulator through a hydraulic recharging circuit and applying a hydraulic pressure to the annulus pressure zone. Operating the hydraulic recharging circuit in response to applying the hydraulic pressure and pressurizing the hydraulic accumulator in response to operating the hydraulic recharging circuit.