Well logging device and method

Details Well logging device and method Well logging device and method

1984-11-19

1987-05-05

Levy, Stewart J.

Measuring and testing

Borehole or drilling

Downhole test

250260, E21B 4700

Patent

active

046622187

ABSTRACT:
A device and method are shown for detecting fluid flow in a well bore. A downhole device suspended from a cable drum is used to sense the movement of fluid in the borehole. The movement of the downhole device is then synchronized with the fluid movement and the speed and direction of movement of the cable is measured at the well surface to provide a direct indication of the direction and rate of the fluid flow.

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patent: 3255347 (1966-06-01), Cobb et al.
patent: 3389257 (1968-06-01), Caldwell et al.
patent: 3402294 (1968-09-01), Bargainer, Jr.
patent: 3406284 (1968-10-01), Young
patent: 3932747 (1976-01-01), Sherman
patent: 4005290 (1977-01-01), Allen
patent: 4314476 (1982-02-01), Johnson
patent: 4452077 (1984-06-01), Siegfried, II

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