FIELD: mining.
SUBSTANCE: invention refers to automatic control of system, protecting well equipment and surface equipment against high temperature caused by breakthrough of pumped vapor. If this temperature exceeds the characteristic of the threshold temperature of the breakthrough of pumped vapor, then the alarm signal is generated. In response to this alarm signal electric power supply into the well equipment is automatically shut down. A relief valve selectively directs produced fluid into the relief valve of the equipment, located on the surface. The relief valve is automatically controlled to direct produced fluid into the relief valve in response to the alarm signal reception.
EFFECT: increased time of well operation due to elimination of damages of well and around well equipment to obtain the said temperature of produced fluid is controlled upstream from well equipment.
52 cl, 4 dwg
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