FIELD: oil and gas production.
SUBSTANCE: installation includes pipe string that forms tubular annulus with casing, upper and lower packers that isolate tubular annulus of the upper stratum, cylinder, valves and drain channel of piston pump, intake valve, cylinder and channel of plunger pump. The installation is equipped by coupling, bushing, screen, cover. The coupling is connected to the lower packer and cylinder of piston pump, the bushing is connected to the cylinders of plunger and piston pumps, the screen is connected to the coupling and bushing, the cover is connected to the coupling and upper packer. The screen, cover and cylinder of piston pump are separated by annular channels. The valves and valve channels of piston pump and intake valve and valve channels of plunger pump are located in the coupling. The channel of piston pump pressure valve is connected to the tubular annulus by channel between the cover and screen, the drain channel of plunger pump valve is connected to the plunger pump cylinder cavity by channel between the screen and cover, intake channel of plunger pump valve is connected to the inter-packer tubular annulus.
EFFECT: increase of installation operation reliability for simultaneous separate operation of two strata.
1 dwg
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