Rowan Companies plc is a provider of offshore contract drilling services to the international oil and gas industry. The Company operates through two segments: deepwater and jack-ups. Its deepwater segment consists of drillship operations. As of December 31, 2016, the Company's fleet consisted of 29 mobile offshore drilling units, including 25 self-elevating jack-up rigs and four ultra-deepwater drillships. The Company's fleet operates across the world, including the United States Gulf of Mexico (US GOM), the United Kingdom and Norwegian sectors of the North Sea, the Middle East and Trinidad. As of February 14, 2017, the Company's drilling fleet consisted of four ultra-deepwater drillships; 19 high-specification cantilever jack-up rigs, and six premium cantilever jack-up rigs. Its jack-ups are capable of drilling wells to maximum depths ranging from 25,000 to 40,000 feet and in maximum water depths ranging from 300 to 550 feet, depending on rig size, location and outfitting.