Motor driven spinner flow meter

Details Motor driven spinner flow meter Motor driven spinner flow meter

1988-03-03

1989-05-09

Levy, Stewart J.

Measuring and testing

Borehole or drilling

Downhole test

E21B 4710

Patent

active

048277657

ABSTRACT:
The present disclosure is directed to a motor driven magnetically clutch connected turbine on a sonde adapted to be lowered in a well borehole for measuring fluid flow velocity in the well. The turbine is sourounded by a perforated cage or housing which permits fluid flow to impinge on the turbine and thereby change the speed of rotation of the turbine. The turbine is driven at a first speed dependent on magnetic clutch connection from the turbine to a motor. The turbine speed is changed depending on fluid flow velocity in the well, and such changes are reflected in changes in operating conditions of the motor which powers the turbine at the first speed. Measurement of such changes yields fluid flow velocity.

REFERENCES:
patent: 1550124 (1925-08-01), Thompson
patent: 2652720 (1953-09-01), Piety
patent: 4332173 (1982-06-01), MacManus
patent: 4345480 (1982-08-01), Basham et al.
patent: 4537081 (1985-08-01), Max
patent: 4581926 (1986-04-01), Moore et al.

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