US Patent 7252144 Magnetometers for measurement-while-drilling applications
Patent 7252144 was granted and assigned to Baker Hughes on August, 2007 by the United States Patent and Trademark Office.
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Patent Inventor Names
Brent D. Hope0
Nico Foekema0
Robert A. Estes0
Roger Cruz0
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Patent abstract
A nuclear sensor on a bottomhole assembly (BHA) makes measurements of a property of an earth formation during continued rotation of the BHA. Magnetometers that are susceptible to bias error are deployed on the BHA to make measurements of the magnetic toolface angle. A processor separates the sensor measurements into azimuthal sectors while compensating for inherent time delays in the electronics, non-uniform rotation, and bias.
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US Patent 07252144 Magnetometers for measurement-while-drilling applications US Patent 7252144 Magnetometers for measurement-while-drilling applications
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Patent Number
072521440
Patent Number
72521440
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Current Assignee
Patent Jurisdiction
Patent Number
072521440
Date of Patent
August 7, 2007
0Patent Application Number
109984940
Date Filed
November 29, 2004
0Official Website
Patent Primary Examiner
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US Patent 07252144 Magnetometers for measurement-while-drilling applications
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07252144
Date of patent
August 7, 2007
Patent application number
10998494
Date Filed
November 29, 2004
Patent primary examiner
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