Well logging method using electron spin resonance signals from h

Details Well logging method using electron spin resonance signals from h Well logging method using electron spin resonance signals from h

1983-06-23

1985-12-24

Turk, Arnold

Chemistry: analytical and immunological testing

Geochemical, geological, or geothermal exploration

324316, 436 29, 436173, G01N 2408, G01N 3324

Patent

active

045606633

ABSTRACT:
A well logging method is disclosed for identifying the presence of crude petroleum within subsurface earth formations by detecting electron spin resonance signals along a well bore and identifying crude petroleum as the source of those signals by enhancing and/or suppressing the signal by the presence of a chemical. Electron spin resonance signals from crude oil are enhanced by the presence of iodine and suppressed by the presence of ferric chloride.

REFERENCES:
patent: 3719453 (1973-03-01), Erdman
patent: 3740641 (1973-06-01), Hwang et al.
patent: 4415671 (1983-11-01), Nicksic
Niizuma et al., FUEL, 1977, vol. 56, Jul., pp. 249-256.
Yen et al., Analytical Chemistry, vol. 34, No. 6, May 1962, pp. 694-700.

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