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:
Jun. 03, 2025
Filed:
Mar. 31, 2023
Baker Hughes Oilfield Operations Llc, Houston, TX (US);
Alexey Bondarenko, Novosibirsk, RU;
Gunnar Tackmann, Lower Saxony, DE;
Dominik Hoheisel, Lower Saxony, DE;
Veronica Vanessa Herrera Bano, Niedersachsen, DE;
BAKER HUGHES OILFIELD OPERATIONS LLC, Houston, TX (US);
Abstract
A drilling system includes a method of determining an orientation of a drill string in a borehole. Sensor readings of a magnetic field of a drill bit are obtained at a plurality of positions along a curve extending around the drill bit along a longitudinal bit axis from a first location to a second location. A drill string includes the drill bit and a downhole magnetic field sensor that obtains a measurement of a local earth magnetic field, wherein the measurement is affected by the magnetic field of the drill bit. A processor determines a magnetic dipole moment of the drill bit from the plurality of sensor readings, calculates a second measurement of the local earth magnetic field downhole using the magnetic dipole moment of the drill bit, and determines the orientation of the drill string from the calculated correction of the measurement of the local earth magnetic field.