Method and apparatus for enhancing liquid hydrocarbon production

Details Method and apparatus for enhancing liquid hydrocarbon production Method and apparatus for enhancing liquid hydrocarbon production

1985-07-19

1987-05-05

Suchfield, George A.

Wells

Processes

Specific pattern of plural wells

166 60, 166 651, 166248, 166250, E21B 4324, E21B 4330

Patent

active

046624384

ABSTRACT:
Method and apparatus for enhancing liquid hydrocarbon production through a single traditional producing borehole recognizing traditional producing well spacing from a slowly producing formation by use of non-uniform heating through interrelated electrode arrays surrounding the borehole. Heating the formation around the borehole through an interrelated electrode array designed for the formations geometry and geophysics favorably redistributes the pressure gradient throughout the formation for a substantial distance beyond the borehole permitting net energy effective production. One optimum electrode array may consist of ring electrodes or electrode segments so disposed as to electrically approximate a ring. Electrically conductive well bore casing in the formation may be used as an electrode. A return electrode of low impedance disposed close to the surface of the earth may be utilized.

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