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:
Feb. 23, 2010
Filed:
Aug. 21, 2007
Applicant:
Ives D. Loretz, Houston, TX (US);
Inventor:
Ives D. Loretz, Houston, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rechargeable hydraulic accumulator is provided in a wellbore, and a component is actuated by discharging the hydraulic accumulator. The hydraulic accumulator is recharged by increasing pressure in a fluid conduit.