FIELD: mining.
SUBSTANCE: drilling machine contains a drill rig and at least one drilling device. The drilling device comprises a guide pipe and a flexible drill rod, at least part of which is located in the tubular space formed by the guide pipe. The guide tube comprises a tubular body defining a tubular space within the housing for retaining and guiding at least a portion of the bendable rod at the end of the drill rod that is not inserted into the wellbore. The guide tube comprises at least one curved portion by which the drill rod is also bent by a bend in the guiding pipe for storage and for feeding into the wellbore.
EFFECT: improving the quality of the guide pipe for a flexible drill rod.
15 cl, 12 dwg
Authors
Dates
2017-08-28—Published
2015-01-16—Filed