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Opyt primenenia tehnologii elektrovozdejstvia dla povysenia nefteotdaci neftanyh plastov

Kadet V., Evtuhin A., Vasneva G.

Prace Naukowe Instytutu Nafty i Gazu

2010

nr 170 wyd. konferencyjne

827--831

The paper presents the scientific base and the results of Electro Treatment technology application to the number of oil fields. The technology allows to realize the combined influence on the well bore and the nearest area of oil reservoir. As a result the permeability in this area is increasing and water content in total fluid production is decreasing. The heart of the method consists in the change of reservoir characteristics and fluid phase equilibrium by passing the electric current through the reservoir. The well rate increasing is achieved by decolmatation — destroying the surface cement (clay, biotite, etc.) in pore channels and in consequence their cross section increasing. Water content decreasing is connected with phase permeabilities' change: phase permeability for oil is increasing and phase permeability for water is decreasing. The results of a theoretical calculations and laboratory experiments which have allowed to establish the Electro Treatment parameters are demonstrated.