Method of treating reservoirs containing very viscous crude oil

Details Method of treating reservoirs containing very viscous crude oil Method of treating reservoirs containing very viscous crude oil

1981-04-06

1983-06-28

Novosad, Stephen J.

Wells

Processes

Specific pattern of plural wells

166 50, 166272, E21B 4324

Patent

active

043900674

ABSTRACT:
A method for treating a field containing viscous oil or bitumen for subsequent production is described. The steps central to the process are drilling a horizontal well within the oil-bearing stratum, and heating the oil in the vicinity of the horizontal well to produce a hot liquid corridor. The open borehole is filled and the oil in the heated corridor is displaced from one end to the other. The corridors may be connected in various configurations to effectively displace a high percentage of oil in a particular field.

REFERENCES:
patent: 3259186 (1966-07-01), Dietz
patent: 3285335 (1966-11-01), Reistle, Jr.
patent: 3349844 (1967-10-01), Rhea et al.
patent: 3486559 (1969-12-01), Flickinger et al.
patent: 3500917 (1970-03-01), Lehner et al.
patent: 3682244 (1972-08-01), Bowman
patent: 3960213 (1976-06-01), Striegler et al.
patent: 3986557 (1976-10-01), Striegler et al.
patent: 4074757 (1978-02-01), Felber et al.
patent: 4303126 (1981-12-01), Blevins

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