FIELD: oil and gas production.
SUBSTANCE: device consists of pipe transport system passing in borehole from surface to cleaned zone, of motor mounted on end of pipe system, of pump connected with motor, of washout nozzle connected to pump, of power cable laid through pipe system from surface for feeding current to motor. The pump in the borehole actuated with the motor withdraws material from borehole through the washout nozzle and pumps it out to the pipe system to surface.
EFFECT: raised efficiency of cleaning, expanded process functionality.
20 cl, 11 dwg
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