FIELD: oil, gas and coke-chemical industries.
SUBSTANCE: invention relates to oil industry and can be used in development of oil deposit and operation of reservoir pressure maintenance system. Device for controlled pumping of liquid into formation includes pipeline communicated with injection well with control mechanism, pressure sensor functionally connected to control unit to change total hydraulic resistance in control mechanisms. At the same time the control mechanism is made in the form of a mechanical generator generating electric power from the current flow of liquid, directed to variable in volume consumers for adjustment of the hydraulic resistance control unit created by the generator in the pipeline.
EFFECT: high efficiency of maintaining required volumes and pressure of pumping liquid into a corresponding formation with accumulation of energy flow in form of electric power, spent on overcoming resistance of mechanical generator of electrical energy.
1 cl, 1 dwg
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