Subsurface formation testing apparatus

Details Subsurface formation testing apparatus Subsurface formation testing apparatus

1988-03-30

1990-01-16

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

73708, E21B 4706

Patent

active

048935050

ABSTRACT:
Apparatus for collecting a plurality of samples of fluids in earth formations traversed by a wellbore includes a pressure sensor for deriving a pressure measurement and a temperature sensor for simultaneously deriving a temperature measurement. The pressure measurement signals and the temperature measurement signal are transmitted to processing circuitry using a narrow band frequency modulated scheme. The temperature measurement is used to provide a real time temperature compensated pressure measurement.

REFERENCES:
patent: 3530933 (1970-09-01), Whitten
patent: 4607530 (1986-08-01), Chow

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