Device for insertion into holes, has packing unit with standard packer, which is formed with pressure-fluid-filled thick film for primary locking of device to borehole wall and another packer having compressed air filled thin film

摘要

The device (1) has a packing unit (8) for mounting on a borehole wall (5), where the packing unit comprises a standard packer (4), which is formed with a pressure-fluid-filled thick film (6) for primary locking of the device to the borehole wall. Another packer is provided with a compressed air filled thin film, and surrounds an essential function measuring unit (2) of the device. End seals are provided for the standard packer and latter packer, where the packing unit surrounds the device.