IMPROVED MONITORING OF SUBSEA INSTALLATIONS

摘要

A system for monitoring a subsea installation comprising one or more sensors located upon the installation; each sensor including a rechargeable power supply and a first wireless transceiver; a mobile underwater apparatus including a second wireless transceiver; the mobile underwater vehicle being operable to move to within a first range of at least one sensor and the first wireless transceiver being operable to transmit data to the second wireless transceiver; the mobile underwater vehicle being operable to move to within a second range of the at least one sensor and the second wireless transceiver being operable to transmit power to the first wireless transceiver; and the first range being greater than the second range.