Pressure measurement sonde

Details Pressure measurement sonde Pressure measurement sonde

1981-12-22

1984-06-26

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

With pressure and/or temperature compensation

73151, G01L 1904, E21B 4706

Patent

active

044558759

ABSTRACT:
A pressure measurement sonde of the type comprising two piezoelectric detectors, one being used for pressure measurements and the other being used as a reference detector. The latter is used to compensate at least partly, the effects due to temperature variations. This sonde includes means for favoring the heat exchanges of said detectors with the surrounding medium and for substantially balancing the heat exchange rates of each of said detectors with the surrounding medium. The sonde is particulary adapted to the carrying out of pressure measurements in oil wells.

REFERENCES:
patent: 2676489 (1954-04-01), Basham
patent: 3286526 (1966-11-01), Mulcahy et al.
patent: 3303695 (1967-02-01), Laimins et al.
patent: 3304776 (1967-02-01), Bennett et al.
patent: 3527099 (1970-09-01), Herceg
patent: 4096752 (1978-06-01), Tonnelli
The Oil and Gas Journal, vol. 66, No. 2, Jan. 8, 1968, F. H. Deily et al., "New Drilling-Research Tool Shows What Happens Down Hole".
"A New, Surface Recording, Down-Hole Pressure Gauge," by G. B. Miller, Society of Petroleum Engineers, Paper Number SPE 4125.

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