FIELD: oil and gas industry.
SUBSTANCE: group of inventions relates to a device for hydraulic fracturing, a method of controlling the device for hydraulic fracturing and a system for hydraulic fracturing. Device for hydraulic fracturing comprises plunger pump, primary engine, coupling and hydraulic system for coupling, first pressure sensor, first and second vibration sensors. Method of controlling the hydraulic fracturing device includes determining hydraulic pressure in the hydraulic system for the coupling and controlling the coupling for its disconnection. Hydraulic fracturing system comprises a hydraulic fracturing device, a control system configured to control a coupling of the hydraulic fracturing device, and a remote control unit connected to the control system. Control system is electrically connected to the coupling and connected to the first pressure sensor and the second vibration sensor, wherein the control system is configured to control the coupling in accordance with feedback signals supplied by the first pressure sensor and the second vibration sensor.
EFFECT: higher reliability of hydraulic fracturing.
16 cl, 7 dwg
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