Heavy crude oil production tool and method

Details Heavy crude oil production tool and method Heavy crude oil production tool and method

1985-12-09

1987-10-20

Novosad, Stephen J.

Wells

Processes

Heating, cooling or insulating

166 57, 166372, E21B 4324

Patent

active

047007818

ABSTRACT:
A method to recover subsurface heat-liquefiable minerals and viscous oil by jetting steam through orifices set adjacent to subsurface formations and deposits. The steam heat reduces the flow resistance of the mineral or oil and allows the resulting liquid to be removed to the surface by conventional pumping means at any point along the vertical interface of the single well bore and formation or deposit. Removal of the resulting liquid may also be accomplished through the apparatus itself.

REFERENCES:
patent: 1886886 (1932-11-01), Kelley et al.
patent: 2881838 (1959-04-01), Morse et al.
patent: 3386508 (1968-06-01), Bielstein et al.
patent: 4046199 (1977-09-01), Tafoya
patent: 4299278 (1981-11-01), Beehler
patent: 4421163 (1983-12-01), Tuttle
patent: 4537254 (1985-08-01), Elson et al.

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