Method and device for moving a tube in a borehole in the ground

This invention relates to a method for axially moving a tube in a borehole in the ground according to the introductory portion of claim . The invention further relates to a device for axially moving a tube into a borehole in the ground according to the introductory portion of claim . A tube () in a borehole () in the ground () is displaced. The tube is simultaneously displaced along and about its axis, such that it is axially introduced into or retracted from the borehole. According to the invention, displacing the composed tube about its axis comprises an oscillating movement. The invention further relates to a device for displacing a tube in a borehole.