FIELD: construction.
SUBSTANCE: invention relates to packers. Packer includes pipe string, sealing element of cylindrical shape, arranged concentrically to pipe string between it and casing pipe, between upper and lower stops. Between the sealing element and lower stop movable element and clamping element made from material with shape memory are installed, wherein sealing element is made of basalt fibre with diameter from 0.5 to 3.5 mqm. Basalt fibre is saturated with metal particles.
EFFECT: technical result is possibility of effective operation of device at high working pressure and temperature.
9 cl, 3 dwg
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