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.

Date of Patent:
Feb. 26, 2019

Filed:

Dec. 19, 2014
Applicant:

Schlumberger Technology Corporation, Sugar Land, TX (US);

Inventor:

Chen Tao, Sugar Land, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 49/02 (2006.01); E21B 49/08 (2006.01); E21B 49/10 (2006.01);
U.S. Cl.
CPC ...
E21B 49/10 (2013.01); E21B 33/12 (2013.01); E21B 49/02 (2013.01); E21B 49/08 (2013.01);
Abstract

The present disclosure relates to a method and apparatus for sampling a fluid from an environment having a primary filtering on a focused sampling probe and guard filtering system that is exposed upon movement of the focused sampling probe.


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