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. 15, 2021

Filed:

Dec. 21, 2016
Applicant:

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

Inventors:

Paul Chin Ling Chang, Cypress, TX (US);

Ilker R. Capoglu, Houston, TX (US);

Hsu-Hsiang Wu, Sugarland, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/28 (2006.01); E21B 47/00 (2012.01); G01V 3/18 (2006.01); E21B 47/0228 (2012.01); E21B 47/18 (2012.01); G01V 3/30 (2006.01); E21B 17/00 (2006.01); E21B 49/00 (2006.01);
U.S. Cl.
CPC ...
G01V 3/28 (2013.01); E21B 17/003 (2013.01); E21B 47/00 (2013.01); E21B 47/0228 (2020.05); E21B 49/00 (2013.01); G01V 3/18 (2013.01); G01V 3/30 (2013.01); E21B 47/18 (2013.01);
Abstract

An electromagnetic induction tool and method. The electromagnetic induction tool may comprise a tool body, a gap sub may separate different sections of the tool body and may be positioned to at least partially hinder the flow of an axial current and an azimuthal current on the tool body. A coil antenna may be disposed over the gap sub. A method of increasing an electromagnetic field may comprise providing an electromagnetic induction tool. The electromagnetic induction tool may comprise a tool body, a gap sub may separate different sections of the tool body and may be positioned to at least partially hinder flow of an axial current and an azimuthal current on the tool body. A coil antenna may be disposed over the gap sub. The method may further comprise placing the electromagnetic induction tool into a wellbore and operating the coil antenna.


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