Radiant energy – Coded record and readers; invisible radiant energy type
Patent
1980-12-30
1983-04-05
Anderson, Bruce C.
Radiant energy
Coded record and readers; invisible radiant energy type
250269, G01V 500
Patent
active
043792294
ABSTRACT:
A source of fast neutrons is pulsed to irradiate the formations surrounding a borehole with neutrons to produce gamma-rays from thermal neutron capture of the metallic materials located within the formations. Such gamma-rays are detected as an indication of the presence of such materials within the formations.
REFERENCES:
patent: 3521064 (1970-07-01), Moran et al.
patent: 3662173 (1972-05-01), Youmans
patent: 3792253 (1974-02-01), Wylie et al.
patent: 3825753 (1974-07-01), Givens
patent: 3940610 (1976-02-01), Dennis et al.
Anderson Bruce C.
Gilman Michael G.
Hager George W.
Huggett Charles A.
Mobil Oil Corporation
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