Method for in-situ heated annulus refining process

Details Method for in-situ heated annulus refining process Method for in-situ heated annulus refining process

1991-07-22

1992-09-08

Novosad, Stephen J.

Wells

Processes

Distinct, separate injection and producing wells

166 50, 166303, E21B 4324

Patent

active

051450038

ABSTRACT:
Recovery of viscous petroleum such as from tar sands is assisted using a controlled flow of hot fluid and hydrogen-generating gas in a flow path within the formation; thus a solid-wall hollow tubular member in the formation is used for conducting hot fluid to promote hydrogenation in conjunction with a hydrogen-generating gas and reduce viscosity of the petroleum to develop a potential passage in the formation outside the tubular member into which a drive fluid is injected to promote movement of the petroleum to a production position.

REFERENCES:
patent: 3044545 (1962-07-01), Tooke
patent: 3051235 (1962-08-01), Banks
patent: 3208514 (1965-09-01), Den et al.
patent: 3327782 (1967-06-01), Hujsak
patent: 3994340 (1976-11-01), Anderson et al.
patent: 4193454 (1980-03-01), Goldstein
patent: 4597441 (1986-07-01), Ware et al.
patent: 4696345 (1987-09-01), Hsueh
patent: 4706751 (1987-11-01), Gondouin

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