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:
Jun. 11, 2019

Filed:

Oct. 26, 2015
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventors:

Burkay Donderici, Houston, TX (US);

Rencheng Song, Singapore, SG;

Glenn Andrew Wilson, Singapore, SG;

Paul F. Rodney, Spring, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/18 (2006.01); G01V 3/28 (2006.01); G01V 3/26 (2006.01); G01V 3/38 (2006.01);
U.S. Cl.
CPC ...
G01V 3/28 (2013.01); G01V 3/18 (2013.01); G01V 3/26 (2013.01); G01V 3/38 (2013.01);
Abstract

A method includes introducing a resistivity logging tool including one or more transmitter coils and one or more receiver coils into a wellbore. First and second signals are then transmitted with a first transmitter coil at first and second frequencies, respectively, and a first receiver coil receives first and second response signals based on the first and second signals. A ratio between the first and second response signals is then calculated to obtain a ratio signal, and the ratio signal is processed in an inversion algorithm. One or more formation characteristics of the subterranean formation may then be determined based on the ratio signal as processed by the inversion algorithm.


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