| 摘要 |
FIELD: oil-and-gas industry.SUBSTANCE: locating device comprises housing to accommodate piston and barrel. Said barrel interacts with housing to make hydraulic system therewith. Additionally, locating device is equipped with shutoff element fitted in said barrel. Said barrel ahs axial channel with one or several bypass bores and with through bypass channel. Said bores and channels are hydraulically communicated via hydraulic chamber to make a bypass channel.EFFECT: higher reliability of packer-anchor equipment installation in well, possibility of its repair and servicing without lifting it out.9 cl, 2 dwg |
