US Patent 7334483 Thermal compensation of pressure measurements
Patent 7334483 was granted and assigned to Schlumberger on February, 2008 by the United States Patent and Trademark Office.
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Patent Inventor Names
Shigeru Sato0
Yves Barriol0
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Patent abstract
Methods and systems for thermal compensation of pressure measurements by a pressure gauge. Errors in pressure values are reduced by utilizing a predetermined correlation between the error in pressure measurements, due to temperature gradient in a pressure gauge, and the temperature gradient caused by temperature at a surface of the pressure gauge and temperature at an inner portion of the pressure gauge. Thermally corrected pressure values are derived based on the correlation between the pressure errors and the temperature gradients in conditions such as due to fast and large pressure variations in oil wells.
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Patent Citations Received
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US Patent 07334483 Thermal compensation of pressure measurements US Patent 7334483 Thermal compensation of pressure measurements
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Patent Number
073344830
Patent Number
73344830
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Current Assignee
Patent Jurisdiction
Patent Number
073344830
Date of Patent
February 26, 2008
0Patent Application Number
113072170
Date Filed
January 27, 2006
0Official Website
Patent Primary Examiner
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US Patent 07334483 Thermal compensation of pressure measurements
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07334483
Date of patent
February 26, 2008
Patent application number
11307217
Date Filed
January 27, 2006
Patent primary examiner
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