Flowmeter for use in a hydrocarbon well

Details Flowmeter for use in a hydrocarbon well Flowmeter for use in a hydrocarbon well

1987-02-20

1988-07-19

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

7386165, E21B 4710

Patent

active

047577096

ABSTRACT:
The flowmeter comprises a central mandrel suspended from a cable and centered in the fluid stream so as to leave an annular passage. Fluid stream contracting means are provided for forming a venturi in the annular passage, and a differential pressure gauge is provided in the central mandrel to produce a signal representative of the pressure head loss across the venturi, which signal is processed to derive the flow rate.

REFERENCES:
patent: 2377501 (1945-06-01), Kinley
patent: 3357492 (1967-12-01), Hubby

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