Wells – With heating – refrigerating or heat insulating means – Electrical heater in well
Patent
1978-09-11
1980-03-18
Novosad, Stephen J.
Wells
With heating, refrigerating or heat insulating means
Electrical heater in well
166 65R, 166248, 219278, E21B 4324
Patent
active
041934482
ABSTRACT:
A method and apparatus for the recovery of petroleum from petroleum impregnated media. The apparatus includes a microwave generator and a guide for directing microwaves to a microwave dispersing chamber for heating the media. The apparatus has a plurality of holes for the flow of heated petroleum into a petroleum chamber. The method of the invention includes inserting the apparatus into an opening in the media, dispersing microwaves into the media to heat it and recovering petroleum in the recovery chamber.
REFERENCES:
patent: 2685930 (1954-08-01), Albaugh
patent: 2757738 (1956-08-01), Ritchey
patent: 3123141 (1964-03-01), Towell et al.
patent: 3133592 (1964-05-01), Tomberlin
patent: 3170519 (1965-02-01), Haagensen
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