Oil supermajor ExxonMobil has awarded a contract extension to Rowan’s Relentless Drillship for further operations. In a company statement, Rowan Companies plc announced that its R-Class ultra-deepwater drillship, Rowan Relentless will continue its operations for another 180 days in the US Gulf of Mexico. The drillship has been under contract by ExxonMobil from September 2018.