| 摘要 |
FIELD: oil and gas industry.SUBSTANCE: device contains two sections of tubing string, made from titanium on both sides of the support element, support nozzle-coupling in lower part of the tubing string, and sealing element is made of basalt fibre with diameter from 0.5 to 3.5 mcm, basalt fibre is saturated with metal particles.EFFECT: technical result is high working pressure and temperature; device for separation of individual sections of well shaft includes support element, sealing element arranged concentrically tubing between itself and casing pipe, movable compression element of sealing element arranged concentrically to tubing string under compression element.11 cl, 3 dwg, 1 tbl |
