Method and apparatus for determining flow characteristics within

Details Method and apparatus for determining flow characteristics within Method and apparatus for determining flow characteristics within

1982-08-23

1985-03-26

Howell, Janice A.

Radiant energy

Geological testing or irradiation

Well testing apparatus and methods

73155, G01V 500

Patent

active

045075522

ABSTRACT:
In the representative embodiments of the new and improved methods and apparatus disclosed herein, a well logging instrument includes an elongated body member having a funnel configuration fluid collector mounted thereon. An aperture in the body member, proximate the apex of the collector, allows discharge of the fluid through a passage in the body member, past a pair of radiation detectors, thereafter returning into the well. A tracer ejector valve assembly is mounted proximate the apex of the funnel and the aperture therein for selectively injecting a quantity of radioactive tracer element into the fluid flow. The tracer element is detected by the pair of detectors with the signals provided therefrom used to determine flow characteristics of the fluids within the well.

REFERENCES:
patent: 3343408 (1967-09-01), Mayer, Jr.
patent: 3431974 (1969-03-01), Buck et al.
patent: 3766388 (1973-10-01), Greaney
patent: 4166215 (1979-08-01), Anderson
patent: 4166216 (1979-08-01), Cubberly, Jr.

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