Energy Voice examines some of the key points in the lengthy dispute between the Offshore Contractors Association and Unite union.
Plans by offshore companies to introduce three and three work rotas were met with anger and opposition by Unions and offshore workers who accused the companies of pushing through the measure as the oil price tumbled in 2015. The Offshore Contractors Association insisted that the entire industry had to accept the new reality of low oil prices and work together to ensure a viable future.
Our gallery looks back at some of milestones in the year-long dispute