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:
Aug. 27, 2019

Filed:

Aug. 16, 2016
Applicant:

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

Inventors:

Bikash K. Sinha, Cambridge, MA (US);

Sandip Bose, Brookline, MA (US);

Jiaqi Yang, Belmont, MA (US);

Ting Lei, Arlington, MA (US);

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

Smaine Zeroug, Lexington, MA (US);

Ma Luo, Cambridge, MA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 1/50 (2006.01); G01V 1/40 (2006.01); E21B 47/00 (2012.01);
U.S. Cl.
CPC ...
G01V 1/50 (2013.01); E21B 47/0005 (2013.01); G01V 1/40 (2013.01);
Abstract

A method for torsional wave logging in a borehole of a subterranean formation. The method includes obtaining a torsional wave measurement of the borehole, wherein the torsional wave measurement represents characteristics of a torsional wave propagating within a cylindrical layered structure associated with the borehole, wherein the cylindrical layered structure comprises the subterranean formation and a completion of the borehole, analyzing, by a computer processor, the torsional wave measurement to generate a quality measure of the completion, and displaying the quality measure of the completion.


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