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:
Mar. 03, 2015
Filed:
Nov. 28, 2011
Applicants:
Wade Evans, Ii, Rosenberg, TX (US);
Stephane Briquet, Kanagawa-ken, JP;
Inventors:
Wade Evans, II, Rosenberg, TX (US);
Stephane Briquet, Kanagawa-ken, JP;
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 49/10 (2006.01); E21B 49/08 (2006.01);
U.S. Cl.
CPC ...
E21B 49/10 (2013.01);
Abstract
An apparatus includes a downhole tool for conveyance in a wellbore extending into a subterranean formation. The downhole tool includes a focused sampling probe that includes a piston movable between an open position and a closed position, an auxiliary filter coupled to the piston, and a scraper that interfaces with the auxiliary filter. Movement of the piston may cause the auxiliary filter to move against the scraper.