Petrogas and Wintershall have extended the contract of Maersk Drilling, allowing the two jack-up rigs, Maersk Resolute and Maersk Resolve to continue their operations in the North Sea. Maersk Resolute has got a 56-day extension by Petrogas to continue its operation while Maersk Resolve has been awarded a 21-day extension by Wintershall to complete its work in the North Sea.