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:
Apr. 18, 2017

Filed:

Jun. 26, 2013
Applicant:

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

Inventors:

Nestor Cuevas, Albany, CA (US);

David L. Alumbaugh, Berkeley, CA (US);

Edward Nichols, Paris, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/00 (2006.01); G01V 3/20 (2006.01); G01V 3/38 (2006.01); G01V 3/30 (2006.01);
U.S. Cl.
CPC ...
G01V 3/20 (2013.01); G01V 3/30 (2013.01); G01V 3/38 (2013.01);
Abstract

A method analyzes a subterranean formation. At least one property of a well casing in the subterranean formation is determined and a plurality of current source vectors at respective positions along a trajectory of the well casing are determined. The effect of the well casing is determined based upon the plurality of current source vectors and the at least one property of the well casing.


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