US Patent 7679368 Reflection coefficient measurement for water-based mud resistivity imaging
Patent 7679368 was granted and assigned to Baker Hughes on March, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A galvanic resistivity tool with one or more measurement electrodes and guard electrodes, and one or more shielding electrodes. The impedance seen by the measurement electrode (indicative of the formation resistivity) is determined by using a directional coupler that measures a reflection coefficient of an electrical signal.
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Patent Inventor Names
Martin Folberth0
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US Patent 07679368 Reflection coefficient measurement for water-based mud resistivity imaging US Patent 7679368 Reflection coefficient measurement for water-based mud resistivity imaging
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Patent Number
076793680
Patent Number
76793680
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Current Assignee
Patent Jurisdiction
Patent Number
076793680
Date of Patent
March 16, 2010
0Patent Application Number
114961580
Date Filed
July 31, 2006
0Official Website
Patent Primary Examiner
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US Patent 07679368 Reflection coefficient measurement for water-based mud resistivity imaging
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Is a
Current assignee
Patent jurisdiction
Patent number
07679368
Date of patent
March 16, 2010
Patent application number
11496158
Date Filed
July 31, 2006
Patent primary examiner
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