Fluid interface measuring device for use in earth boreholes

Details Fluid interface measuring device for use in earth boreholes Fluid interface measuring device for use in earth boreholes

1975-09-18

1976-11-09

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

E21B 4706

Patent

active

039903044

ABSTRACT:
The borehole instrument contains a pair of bellows which are equally spaced from a differential pressure transducer to provide equal temperature expansion of the liquid to provide a true reading on the transducer. A third bellows is connected between the borehole fluid and the exterior of the transducer housing to eliminate pressure buildup in or around the transducer. The instrument has utility in finding oil-water, gas-oil and gas-water interfaces and other combinations of fluid interfaces by measuring the differential pressure across the interface.

REFERENCES:
patent: 3184965 (1965-05-01), Noik
patent: 3455156 (1969-07-01), Lahaye et al.
patent: 3616688 (1971-11-01), Roussin et al.

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