High Quality Content by WIKIPEDIA articles! Alviq is an American icebreaking anchor handling tug supply vessel (AHTS) owned by Edison Chouest Offshore (ECO). The $200 million vessel was built in 2012 by North American Shipbuilding in Larose, Louisiana and LaShip in Houma, Louisiana. She has been chartered by Royal Dutch Shell to support oil exploration and drilling in the Chukchi Sea off Alaska. The primary task of the vessel is towing and laying anchors for drilling rigs, but she is also equipped for oil spill response.