Radiant energy – Geological testing or irradiation – Well testing apparatus and methods
Patent
1978-10-16
1981-05-19
Smith, Alfred E.
Radiant energy
Geological testing or irradiation
Well testing apparatus and methods
250390, G01V 500, G01T 300
Patent
active
042687497
ABSTRACT:
A borehole logging tool includes a source of fast neutrons and a fast neutron detector. A discriminator connected to the detector rejects pulses from the detector attributable to nonsource neutrons from the formation and passes to a count rate meter those pulses from the detector attributable to source neutrons. The output of the count rate meter is recorded as a measure of neutron source output.
REFERENCES:
patent: 2979618 (1961-04-01), Rickard
patent: 3509346 (1970-04-01), Mills, Jr. et al.
patent: 3688117 (1972-08-01), Givens
patent: 4074136 (1978-02-01), Heinzelmann
Gilman M. G.
Hager G. W.
Howell Janice A.
Huggett C. A.
Mobil Oil Corporation
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