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:
Jul. 31, 2018

Filed:

Mar. 03, 2015
Applicant:

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

Inventors:

Michael Thiel, Cambridge, MA (US);

Dzevat Omeragic, Lexington, MA (US);

Tarek M. Habashy, Burlington, MA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V 3/20 (2006.01); G01V 3/38 (2006.01); E21B 47/12 (2012.01);
U.S. Cl.
CPC ...
G01V 3/20 (2013.01); E21B 47/122 (2013.01); G01V 3/38 (2013.01);
Abstract

A method is disclosed herein. The method includes disposing an electromagnetic logging tool in a borehole penetrating a formation, the electromagnetic logging tool being part of a drill string in the formation, the drill string having a drill bit. The method includes acquiring measurements using the electromagnetic logging tool. Further, the method includes using a processor, applying a pixel-based inversion to the acquired measurements to determine at least one formation property, wherein applying the pixel-based inversion includes using adaptive regularization.


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