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.

Patent No.:

US 7710823 B1

PDF
Full Text
Expired
Date of Patent:
May. 04, 2010

Filed:

Apr. 04, 2007
Applicants:

Leonty A. Tabarovsky, Cypress, TX (US);

Vitaly N. Dorovsky, Novosibirsk, RU;

Yuriy A. Nefedkin, Novosibirsk, RU;

Kholmatzhon Imomnazarov, Novosibirsk, RU;

Inventors:

Leonty A. Tabarovsky, Cypress, TX (US);

Vitaly N. Dorovsky, Novosibirsk, RU;

Yuriy A. Nefedkin, Novosibirsk, RU;

Kholmatzhon Imomnazarov, Novosibirsk, RU;

Assignee:

Baker Hughes Incorporated, Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V 1/00 (2006.01); G01V 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Measurements of acoustic velocities are made through a case borehole in the absence and presence of an applied magnetic field. A formation resistivity parameter may be estimated from differences in the acoustic velocities.


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Tabarovsky, Leonty. (2010). Resistivity measurement through metal casing using magnetic field and magnetoacoustic phenomena (U.S. Patent No. 7710823). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7710823

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