Method for detecting underground conditions

Details Method for detecting underground conditions Method for detecting underground conditions

1979-08-03

1981-05-12

Novosad, Stephen J.

Wells

Processes

With indicating, testing, measuring or locating

166251, 324338, E21B 43243, E21B 4700, E21B 4712

Patent

active

042666082

ABSTRACT:
Disclosed is a method for detecting the flame front during the in situ combustion of a subterranean carbonaceous stratum which involves providing one or more radio transmitters below the surface of the ground, each of said transmitters being capable of sensing and transmitting information concerning the physical and chemical properties of its surroundings, and monitoring said transmissions as an indication of the extent and movement of said flame front. Also disclosed is a method for detecting non-uniform packing characteristics of rubblized material which involves providing one or more radio transmitters within the boundaries of a retort capable of sensing and transmitting information concerning the physical parameters of its surroundings, and monitoring said transmissions as an indication of the size and density distributions of the rubble in said retort.

REFERENCES:
patent: 4045724 (1977-08-01), Shuck et al.
patent: 4092583 (1978-05-01), Coates
patent: 4120354 (1978-10-01), Ridley et al.
patent: 4161687 (1979-07-01), Lytle et al.

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