Method and apparatus for correcting a pressure measurement for the influence of temperature
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United States of America Patent
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Feb 28, 1995
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N/A
app pub date -
Jun 13, 1994
filing date -
Jul 26, 1991
priority date (Note) -
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Abstract
The invention relates to a method of correcting the measurements of a pressure gauge for the influence of temperature transients. In a preferred embodiment, a correction term is added to the pressure value measured at an instant t, the correction term A.sub.O [T(t+.tau.)-T(t)] being proportional to the difference between the temperature T(t+.tau.) measured after a time interval of duration .tau. has elapsed from instant t, and the temperature T(t) at instant t. The invention is applicable to measurements in oil wells.
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