Patent ID: 8646399

Claim:
A remotely operated vehicle system comprising: a remotely operated vehicle for subsea operation, the remotely operated vehicle comprises an electrical power supply and a hydraulic motor, and a removable add-on thruster module, the removable add-on thruster module comprises one or more electrically powered thrusters, wherein the remotely operated vehicle and the removable add-on thruster module are releasably attached with each other, and wherein when the removable add-on thruster module is attached to the remotely operated vehicle, the remotely operated vehicle provides buoyancy, thrusters, and electrical power to the one or more electrically powered thrusters of the removable add-on thruster module from the electrical power supply of the remotely operated vehicle and the one or more electrically powered thrusters of the removable add-on thruster module are operative to provide further propulsion to the remotely operated vehicle.