Procedure for pulling freezing pipe from ground involves discharge of fluid through an opening in ground from freezing pipe wherein ground is provided with opening and fluid is discharged into freezing pipe and is set under pressure

摘要

The procedure involves discharge of fluid through an opening (9) in the ground (4) from the freezing pipe (2). The ground is provided with an opening and the fluid, preferably water, is discharged into the freezing pipe and is set under pressure. The fluid with additives is provided, in particular, for the freezing point displacement or to the friction reduction.