FIELD: oil industry, particularly equipment for operating wells.
SUBSTANCE: method involves creating upward flow of gas-and-liquid mixture in lifting borehole defined by oil-well tubing string arranged in well or by annular gap between the string and well surface; feeding gas-and-liquid mixture to oil-and-gas product collector; returning part of oil-and-gas product from gas-and-liquid mixture in direction from ground surface to well by booster unit along with changing proportion between oil and gas components by means of separator. For oil and gas proportion changing separator outlets for oil and gas are communicated with oil-and-gas product collector through regulation units.
EFFECT: increased simplicity and reduced cost of oil production.
1 dwg
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