Electrolinking method for improving permeability of hydrocarbon

Details Electrolinking method for improving permeability of hydrocarbon Electrolinking method for improving permeability of hydrocarbon

1976-05-03

1977-09-06

Novosad, Stephen J.

Wells

Processes

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

166271, E21B 4300, E21B 4326

Patent

active

040461947

ABSTRACT:
A method of improving the permeability of a hydrocarbon bearing formation such as a coal seam by electrolinking a first well and a second well which have been drilled into the formation. Both wells are completed with similar strings of casing. The portion of the casing string which passes into or through the formation is comprised of alternating sections of electrically conductive and nonconductive material. An electrode is lowered into each well into contact with one of the electrically conductive sections. Current is then flowed between the electrodes in the wells until a permeable path through the formation is established. Then one or both electrodes are moved into contact with different conductive sections within the respective wells and the procedure is repeated.

REFERENCES:
patent: 2795279 (1957-06-01), Sarapuu
patent: 3106244 (1963-10-01), Parker
patent: 3169577 (1965-02-01), Sarapuu
patent: 3236304 (1966-02-01), Sarapuu
patent: 3620300 (1971-11-01), Crowson
patent: 3696866 (1972-10-01), Dryden
patent: 3718186 (1973-02-01), Brandon

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