Apparatus and method for controlled temperature heating of volum

Wells – Processes – Electric current or electrical wave energy through earth for...

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166 50, 166 60, 166 65R, E21B 3604, E21B 4324

Patent

active

044704593

ABSTRACT:
The disclosure relates to a technique for controlled or uniform temperature heating of a volume of hydrocarbonaceous material in an earth formation employing conductor arrays, inserted in the formation, for applying radio frequency energy to the formation. The number and spacing of conductors in the arrays are selected to provide a concentration of electric field intensity at the extremities of the volume to facilitate controlled or uniform temperature heating of the volume. The arrangement compensates for temperature variations across the volume caused by heat flow within the volume and heat loss to the surrounding formation.

REFERENCES:
patent: 4135579 (1979-01-01), Rowland et al.
patent: 4140180 (1979-02-01), Bridges et al.
patent: 4193451 (1980-03-01), Dauphine
patent: 4265307 (1981-05-01), Elkins
patent: 4301865 (1981-11-01), Kasevich et al.

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