The company owns 61 rigs including 28 ultra-deepwater floaters, 5 deepwater floaters, 7 Harsh-Environment Floaters, 11 Midwater Floaters, and 10 High-Specification jackup rigs [REF].
In 2015, Chevron accounted for 14% of the company's revenues and Royal Dutch Shell accounted for 10% of the company's revenues [REF].