The tool of the interior of the shaft, and inner shaft tractor

摘要

The tool of the interior of the shaft, and the tractor of the interior of the pit, it is a tool of the interior of the shaft which includes a device for entry to contact a formation of the well.The device entry includes a device body for entry; and a centralizer which is coupled to the device body and is radially expandable entry for the same and has a geometry that can be blocked by a locking device.The device also includes a power amplifier placed in a relation of force transmission to the centring device, in which the power amplifier transfers a force in a first direction to a much larger force in a second direction when the centralizer is bloqu Based on the locking device.