Production of oil from low permeability formations by sequential

Details Production of oil from low permeability formations by sequential Production of oil from low permeability formations by sequential

1990-08-29

1992-02-04

Bui, Thuy M.

Wells

Processes

Heating, cooling or insulating

166308, F21B 4324

Patent

active

050852760

ABSTRACT:
A production method for low permeability formations is disclosed. Short steam cycles followed by production of fluids to the surface from a single wellbore is described. The method may be practiced in sequential manner, thereby accessing multiple intervals of hydrogen containing formation. Reflashing of steam into the wellbore allows production of fluids to the surface without a pump in the wellbore.

REFERENCES:
patent: 2769497 (1956-11-01), Reistle, Jr.
patent: 3028914 (1962-04-01), Flickinger
patent: 3330353 (1967-07-01), Flohr
patent: 3455391 (1969-07-01), Matthews et al.
patent: 3739852 (1973-06-01), Woods et al.
patent: 3782470 (1974-01-01), West et al.
patent: 3835928 (1974-09-01), Strubhar et al.
patent: 3878884 (1975-04-01), Raleigh

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