Oil recovery well paraffin elimination means

Details Oil recovery well paraffin elimination means Oil recovery well paraffin elimination means

1980-03-06

1982-03-16

Leppink, James A.

Wells

With heating, refrigerating or heat insulating means

Electrical heater in well

166 52, 166241, 166272, E21B 3604, E21B 4324

Patent

active

043196322

ABSTRACT:
At least a portion of an oil-recovery well casing adjacent an oil-bearing earth formation is heated by the passing of an electrical current therethrough. The heated casing heats any oil entering therein. Paraffin found in the heated oil is thus maintained in a liquefied state thereby substantially reducing paraffin buildup in the oil-recovery well.

REFERENCES:
patent: 1764213 (1930-06-01), Knox
patent: 2244255 (1941-06-01), Looman
patent: 2368777 (1945-02-01), Price
patent: 2982354 (1961-05-01), Green
patent: 3507330 (1970-04-01), Gill
patent: 3614986 (1971-10-01), Gill
patent: 4127169 (1978-11-01), Tubin et al.

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