Well fluid flow velocity measuring apparatus including a spinner

Details Well fluid flow velocity measuring apparatus including a spinner Well fluid flow velocity measuring apparatus including a spinner

1988-06-20

1989-08-01

Levy, Stewart J.

Measuring and testing

Borehole or drilling

Downhole test

7386177, 7386194, E21B 4710

Patent

active

048524018

ABSTRACT:
A fluid flow velocity measuring device is shown. In the preferred and illustrated embodiment, an elongate body receives a removable spinner cartridge assembly. The assembly is formed of an elongate sleeve surrounding a rotating shaft supported by bearing assemblies at opposite ends of the shaft. The shaft supports a spinner. Particular sizes of spinners are calibrated to a particular flow velocity ranges and density of material. The insert is held in position by a compressed spring behind the insert so that fluid flow is directed from an inlet port in the tool adjacent a petal basket, along an axial passage in the tool, and through the spinner and out through an outlet port.

REFERENCES:
patent: 4345480 (1982-08-01), Basham et al.
patent: 4566317 (1986-01-01), Shakra
patent: 4754642 (1988-07-01), Miyairi et al.

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