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. 15, 2022

Filed:

May. 03, 2017
Applicant:

M-i L.l.c., Houston, TX (US);

Inventors:

Brandi Katherine Price Hoelscher, Houston, TX (US);

Cara Bovet, Houston, TX (US);

Albert Okhrimenko, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 49/00 (2006.01); E21B 21/00 (2006.01); E21B 7/00 (2006.01); E21B 33/138 (2006.01); E21B 47/00 (2012.01); E21B 47/12 (2012.01); E21B 47/01 (2012.01);
U.S. Cl.
CPC ...
E21B 49/00 (2013.01); E21B 7/00 (2013.01); E21B 21/003 (2013.01); E21B 33/138 (2013.01); E21B 47/00 (2013.01); E21B 47/01 (2013.01); E21B 47/12 (2013.01);
Abstract

A method of electrically logging a section of a wellbore includes circulating an oil-based wellbore fluid within the wellbore and allowing filtration of the oil-based wellbore fluid to form a conductive filtercake on a wall of the wellbore; placing within the wellbore a wellbore logging tool with at least one pad capable of applying a current to a portion of the conductive filtercake and wellbore wall; applying electrical current from the at least one pad; and collecting an electrical log of the portion of the wellbore that has had electrical current applied thereto.


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