Patent ID: 9103197
Filing Date: 2015-08-11
Classification: E21B,G01V,H01H

Abstract:
1. A switching system for a downhole tool, the switching system comprising: an electronic switch for accommodation within a downhole tool, the electronic switch comprising a switchable electrical connection between an electronics module and a power source, a wireless signal receiver device configured to receive a wireless signal and a closed electrical system with no external electrical connections; and an activator for remote switching of the electronic switch, the activator being a handheld surface activator having a wireless and contactless activation mechanism to activate the electronic switch at a surface of a well without physical connection between the electronic switch and the activator; wherein in an active configuration the electronics module and the power source are electrically connected by the switchable electrical connection and in an inactive configuration the electronics module and the power source are not electrically connected by the switchable electrical connection.