Radiant energy – Geological testing or irradiation – Well testing apparatus and methods
Patent
1977-07-15
1979-10-02
Willis, Davis L.
Radiant energy
Geological testing or irradiation
Well testing apparatus and methods
250270, G01V 500
Patent
active
041699793
ABSTRACT:
Formation fluid is activated by a neutron source. A cluster of three gamma ray detectors provides count rate data with the count values varying among the three detectors as dictated by the geometry of the cluster and the angle of displacement of the activated fluid between the time of neutron bombardment and that of gamma ray detection. Measurements at different time intervals following the activation of the fluid may also be interpreted in terms of the speed of horizontal fluid flow past the borehole.
REFERENCES:
patent: 2443731 (1948-06-01), Herzog et al.
patent: 2909661 (1959-10-01), Armistead
patent: 2967933 (1961-01-01), Scherbatskoy
patent: 4047028 (1977-09-01), Arnold
Arnold Dan M.
Langford Obie M.
Paap Hans J.
Scott Hubert D.
Beard William J.
Ries Carl G.
Texaco Inc.
Whaley Thomas H.
Willis Davis L.
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