Measuring and testing – Fluid pressure gauge – With pressure and/or temperature compensation
Patent
1992-08-05
1994-05-03
Chilcot, Jr., Richard E.
Measuring and testing
Fluid pressure gauge
With pressure and/or temperature compensation
36457103, G01L 1904
Patent
active
053076818
ABSTRACT:
Disclosed is a system wherein the compensation for temperature effects on a pressure measurement gauge are accomplished by processing the raw pressure measurement signal from the gauge through an equation to produce a thermally compensated measurement. The equation expresses the thermally compensated pressure determination as a relation between a derivative of temperature and temperature. When the gauge is placed in an oil or gas well, the equation is used to obtain a correction for the measured pressure from the temperature measured adjacent to the pressure gauge.
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G. W. Haws, et al., "State-of-the-Art Simultaneous Downhole Flow Rate and Pressure Measurement Equipment", Society of Petroleum Engineers, 65th Annual Technical Conference and Exhibition, Sep. 23, 1990.
A. F. Veneruso, et al., "Pressure Gauge Specification Considerations in Practical Well Testing", Society of Petroleum Engineers, 66th Annual Technical Conference and Exhibition, Oct. 6, 1991.
Cook Gary R.
Phelps Eric B.
Roszelle Wayne O.
Chilcot Jr. Richard E.
Marathon Oil Company
Oen William L.
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