This vessel was designed for Stena Offshore, Sweden. The vessel and her sister ship were built at North East Shipbuilders in Sunderland, United Kingdom, (Yard No. 275) and launched in 1987. A well intervention vessel active in the North Sea, she is currently operated by Helix Energy Solutions Group.
KNUD E. HANSEN A/S has been involved in a number of refits for Seawell since she was first launched, with another due in 2014.