Oil production processes and apparatus

Details Oil production processes and apparatus Oil production processes and apparatus

1977-01-28

1978-07-11

Novosad, Stephen J.

Wells

Processes

Heating, cooling or insulating

166 50, 166 62, 166302, E21B 4324

Patent

active

040995704

ABSTRACT:
A process and apparatus is described for use in the recovery of oil from natural oil-bearing formations such as tar sands by means of thermal energy causing the oil to gravity in the formation into an oil-receiving duct. Oil recovery in relation to installation and operating costs is improved by releasing heat into the formation at the site of the oil-receiving duct. For this purpose a composite heating and oil recovery string is used which is installed along the formation and comprises a tubular casing having oil-entry apertures and, internally of such casing, an oil-receiving duct and a passageway for the circulation of fluid heating medium.

REFERENCES:
patent: 1520737 (1924-12-01), Wright
patent: 2365591 (1944-12-01), Ranney
patent: 2786660 (1957-03-01), Alleman
patent: 2914124 (1959-11-01), Ripley, Jr.
patent: 3017168 (1962-01-01), Carr
patent: 3024013 (1962-03-01), Rogers
patent: 3338306 (1967-08-01), Cook
patent: 3386508 (1968-06-01), Bielstein et al.
patent: 3986557 (1976-10-01), Striegler et al.

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