COOPER Energy reports that the Diamond Offshore Ocean Monarch drill rig has completed mobilisation from offshore Fremantle to the Casino Henry gas project, Otway Basin, offshore Victoria and is preparing to commence the workover of the Casino-5 well.

Cooper Energy has a 50% interest and is operator of the Casino Henry gas project, with other interest holders being Mitsui E&P Australia Pty Ltd (25%) and AWE Limited (25%).

The workover is expected to take approximately 22 days to complete.

On completion of the workover, the Ocean Monarch will move to the Sole gas field in the Gippsland Basin offshore Victoria to drill and complete the Sole-3 and Sole-4 production wells for development of the field as part of the Sole gas project.

Cooper Energy has a 100% interest in the Sole gas field which is being developed to provide a new source of gas supply to south-east Australia in 2019.