FIELD: oil and other hydrocarbons production, particularly valve arrangements for boreholes or wells.
SUBSTANCE: method involves providing several tubular members arranged one inside another to create at least one central channel and at least two annular channels to direct fluid flows from different intervals into different concentric channels. Channels, which control fluid flow from each channel, are also provided. The valves are arranged inside well bore to move separate fluid flows through concentric channels and to selectively mix fluid flows entering from all channels.
EFFECT: provision of effective selective control of each fluid extracted from each interval before fluid mixing inside well without substantial complication of land-based assembly and without equipment addition thereto, possibility to perform control by means of valves installed inside well over gravel filler.
14 cl, 1 dwg
