FIELD: oil, gas and coke-chemical industries.
SUBSTANCE: method for development of repair trench for replacement of defective section of pipeline includes technology of preparation of site for development of repair pit and support piles of pipes with placement in inner cavity of support screw pile with motor of electric drive, rigidly fixed in cartridge, fixation of holder on threaded connections to support pile, installation of support pile between guide posts fixed on the ground, excavating soil excavating by excavator on inner perimeter of repair trench to depth corresponding to width of each jumper for their first row, securing of jumpers on threaded joints on each support pile.
EFFECT: invention relates to pipelines of engineering and technical support networks, main oil pipelines, oil product pipelines and gas pipelines and can be used in repair of pipelines with ground opening.
1 cl, 5 dwg
