| 摘要 |
FIELD: oil producing industry. ^ SUBSTANCE: device is designed for use in edge and control water-flooding system at oil pool development with maintaining formation pressure in system of field oil gathering. Proposed device contain hole, two-row lift, fixed cylinder and movable plunger device with delivery and suction valves and two plungers interconnected by branch pipe with filter. Device is provided with housing with sealing unit forming two chambers with separate intakes for gas and liquid. ^ EFFECT: increased withdrawals of oil and gas, reduced losses of light hydrocarbons. ^ 2 dwg |
