BOREHOLE RUNNING IN METHOD Russian patent published in 1995 - IPC

FIELD: oil extracting industry. SUBSTANCE: on first stage of pumped-in boreholes running the boreholes are located in multiple dome-shaped salient grounds of productive stratum. On second stage of boreholes running part of them, located in ground deflections and scallops with 98 flooding or unstable extraction of oil, are subjected to pumping in. Consolidating row of production boreholes is drilled in places of local dome-shaped salient ground places and continue pumping out of fluid till working agent comes up. intensification of oil extraction on first stage of borehole running and aimed oil extraction from stagnant and dead-end siding zones on later stage and also increase of profitability of boreholes. EFFECT: higher efficiency. 1 dwg, 2 tbl