FIELD: oil industry, technology for cyclic forcing of liquid into oil bed during its water saturation or forcing of various reagents into said bed.
SUBSTANCE: plant has capability of mouth pressurization and contains packer, column of pipes with suction valve and a pump. Aforementioned pump is made in form of electric down-pump. It is mounted above the suction valve in composition of pipe column, provided with channel, through which hollow of pipe column above the pump is connected to upper bed, and hollow of pipe column below the pump through suction valve is connected to lower bed during transit of liquid from behind-column space below packer, lower bed zone, into upper bed of well. Mounted between pump and suction valve is sensor of pressure from liquid of lower water bed in behind-column space of well below the packer with possible enabling and disabling of pump.
EFFECT: simplification of device with simultaneous increase of its operation efficiency.
1 dwg
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