Single well electrical oil stimulation

Details Single well electrical oil stimulation Single well electrical oil stimulation

1983-06-30

1985-06-11

Novosad, Stephen J.

Wells

Processes

Electric current or electrical wave energy through earth for...

166 60, E21B 3604, E21B 4324

Patent

active

045222622

ABSTRACT:
A single well method and apparatus for electrically applying heat and stimulating is comprised of a relatively lower surface area formation electrode and relatively high surface area overburden electrode extending downward into the borehole past low resistivity water zones. This long overburden electrode may be formed of nonmagnetic metal to reduce hysteresis losses in the electrode. This improved single well system causes most of power to be dissipated in the oil pay zone and thereby renders single well production economical.

REFERENCES:
patent: 2099328 (1937-11-01), Casagrande
patent: 3547193 (1970-12-01), Gill
patent: 3946809 (1976-03-01), Hagedorn
patent: 4084639 (1978-04-01), Todd
patent: 4196329 (1980-04-01), Rowland et al.
patent: 4401162 (1983-08-01), Osborne
patent: 4463805 (1984-08-01), Bingham

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