method for activating a descending tool, device for activating a descending tool and system for activating a descending tool

摘要

a method, device and system are provided to activate a descent / configuration tool. the method includes: 1) detecting a well hole condition in the lowering tool, 2) based on a signal from the surface equipment received in the lowering tool, starting a pressure isolation below the pressure lowering tool on the tool descent and 3) if the signal is not received on the descent tool, start pressure isolation below the descent tool from above at a predefined time based on the well hole condition.