Radiant energy – Geological testing or irradiation – Well testing apparatus and methods
Patent
1982-07-06
1985-12-10
Smith, Alfred E.
Radiant energy
Geological testing or irradiation
Well testing apparatus and methods
250259, G01V 508
Patent
active
045582190
ABSTRACT:
An elongated body member adapted to traverse a well contains a chamber for holding a quantity of a tracer element to be injected into the well. A radially extendable arm is pivotally attached to the body member and is adapted to be extended and retracted by a first drive system within the body member. A nozzle is coupled to the arm with a path of fluid communication provided between the chamber and the nozzle such that a second drive system within the body member may cause the tracer element to traverse such path and be released into the well fluid flow column from a location adjacent to the body member and preferably to be released in a generally longitudinal direction relative to the well. One or more detectors within the body member suitable for detecting the tracer element are utilized to determine the locations and/or flow velocity of the tracer element and therefore of the well fluid.
REFERENCES:
patent: 2385378 (1945-09-01), Piety
patent: 3766388 (1973-10-01), Greaney
patent: 3784828 (1974-01-01), Hayes
patent: 4166215 (1979-08-01), Anderson
patent: 4166216 (1979-08-01), Cubberly, Jr.
LeBlanc Aladain J.
Turney Robert A.
Byron Richard M.
Dresser Industries Inc.
Fields Carolyn E.
McCollum Patrick H.
Smith Alfred E.
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