Method of doping retort with a halogen source to determine the l

Details Method of doping retort with a halogen source to determine the l Method of doping retort with a halogen source to determine the l

1978-09-15

1981-02-10

Novosad, Stephen J.

Wells

Processes

With indicating, testing, measuring or locating

166259, 166272, 299 2, E21B 4324, E21B 4710

Patent

active

042496020

ABSTRACT:
The locus of a processing zone advancing through a fragmented permeable mass of formation particles in an in situ oil shale retort in a subterranean formation containing oil shale and which generates an effluent fluid is determined by placing a halogen source in the permeable mass for providing an identifiable halogen and monitoring effluent fluid from the processing zone for presence of such halocarbon. The halogen source provides halogen at a predetermined temperature.

REFERENCES:
patent: 2658724 (1953-11-01), Arps
patent: 3011566 (1961-12-01), Graham
patent: 3044543 (1962-07-01), Ramey, Jr.
patent: 3072184 (1963-01-01), Parker
patent: 3174543 (1965-03-01), Sharp
patent: 3678883 (1972-07-01), Fischer
patent: 4082145 (1978-04-01), Elkington
patent: 4118071 (1978-10-01), Hutchins
patent: 4120354 (1978-10-01), Ridley et al.

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