SYSTEM FOR PRODUCTIVE RESERVOIR DEVELOPMENT Russian patent published in 2006 - IPC E21B43/02 

FIELD: methods or apparatus for obtaining oil, gas, water from wells, particularly to produce methane from multizone oil reservoir and for reservoir development by underground leaching method.

SUBSTANCE: system comprises production and auxiliary wells with production, filtering and extraction or injection strings. Area of productive wells provided with filtering strings is divided into upper and lower isolated zones. Upper zones of production wells are auxiliary zones, upper zones of auxiliary wells are production ones. Production zones communicates one with another, auxiliary ones are isolated from productive well columns and are communicated with extraction or injection strings.

EFFECT: increased efficiency of product development and reduced capital outlays.

4 cl, 1 dwg