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.:
Date of Patent:
Sep. 22, 2026
Filed:
May. 08, 2024
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Makito Katayama, Cheltenham, GB;
Edward Richards, Cheltenham, GB;
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/0228 (2012.01); E21B 7/06 (2006.01); E21B 44/00 (2006.01); E21B 47/18 (2012.01); G01R 33/00 (2006.01); G01V 11/00 (2006.01);
U.S. Cl.
CPC ...
E21B 47/0228 (2020.05); E21B 7/06 (2013.01); E21B 44/005 (2013.01); E21B 47/18 (2013.01); G01R 33/0017 (2013.01);
Abstract
A method for making cross-axial magnetic field measurements in a downhole tool includes evaluating cross-axial magnetic field measurements to determine a magnetic interference bias and removing the magnetic interference bias to obtain compensated cross-axial magnetic field measurements.