“DEVICE TO EXPAND INTO A SPACE IN A DRILLING HOLE, AND, METHOD TO PROVIDE A BARRIER IN A SPACE IN A DRILLING HOLE”

摘要

device for expanding into a well of a drillhole, and method for providing a barrier in a well in a drillhole. a method and device for sealing a void (12) incompletely filled with a molding material (10), wherein an expandable material (6) is placed in the void (12), which is to be filled with a molding material ( 10), the expandable material (6) expanding, when expanding after the impression material (10) has cured, into spaces (16) that are not filled with the impression material (10)