PROCESS OF EXPLOITATION OF OIL FIELD Russian patent published in 2001 - IPC

FIELD: oil production industry. SUBSTANCE: in correspondence with invention at least part of drilled wells has horizontal or inclined shafts of curvilinear form. Working fluid is pumped through injection wells and oil is extracted through production wells. Horizontal or inclined shafts of curvilinear form have injection or production wells. These shafts are predominantly positioned in zones having low penetrability, their paths are not more than half circumference, initial and/or terminal sections are located at distance less than 50.0 m and in accordance with configuration of front of forcing of working fluid. EFFECT: increased output of oil field. 2 cl, 2 dwg