Transocean is a leading international provider of offshore contract drilling services, operating a versatile global fleet of mobile offshore drilling units that includes ultra-deepwater drillships and harsh environment semisubmersibles. The company contracts its high-specification rigs, equipment, and work crews to customers for drilling oil and gas wells in technically demanding offshore regions worldwide, generating revenue through drilling service contracts. With operations spanning North America, Europe, South America, Asia, Africa, and Australia, Transocean serves the oil and gas exploration and development sectors by deploying its fleet according to customer needs and market demand across geographically dispersed drilling locations.