FIELD: oil and gas extractive industry.
SUBSTANCE: system has hoisting device, power supply with drive of reciprocal movement direction and packer connected through engaging assembly to the drive. Packer has hollow body with several rows of through apertures, fixedly connected to drive flange. Also included is pusher with supporting assembly on free end, fixedly connected to output rod of drive, collar, supporting washers of collar, guiding bushing with slanting grooves and slips with shelves placed in grooves of the latter. Packer additionally has shaft with packing elements on upper end. Shaft is mounted coaxially on the pusher and placed with its upper end in the body. Collar, supporting washers and guiding bushing are placed coaxially on the shaft.
EFFECT: possible use in operation columns with different inner diameter and lesser time required for technological operations.
9 cl, 6 dwg
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