FIELD: oil and gas industry.
SUBSTANCE: group of inventions relates to the oil and gas industry, in particular to electric valve devices. A system for regulation of a flow in a well contains a fully electric full-port valve for flow regulation, containing a fitting case, a coupling located inside the fitting case, and an inner piston located inside the coupling. An electricity-powered drive is installed outside the valve for flow regulation and is connected to the inner piston via a connecting device. The electricity-powered drive reacts to electrical input signals with movement of the inner piston relatively to the coupling to required flow positions for closing and/or opening of coupling channels. A method for control of a full-port valve for flow regulation and a fully electric full-port valve for flow regulation are claimed.
EFFECT: provision of a possibility of regulation of a flow in a well, while saving a passage cross-section of a pipe string.
21 cl, 23 dwg
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