Diamond Offshore Drilling Inc was incorporated in Delaware in 1989. The Company is an offshore drilling, providing contract drilling services to the energy industry around the globe with a fleet of 32 offshore drilling rigs, including four rigs under construction. Its fleet consists of 23 semisubmersibles, two of which are under construction, five jack-ups, one of which is held for sale, and four dynamically positioned drillships. The Ocean BlackHawk, the ultra-deepwater drillships, was delivered in late January 2014 and, as of the date of this report, is en route to the U.S. Gulf of Mexico, or GOM. The offshore contract drilling industry is influenced by a number of factors, including economies and demand for oil and natural gas, current and anticipated prices of oil and natural gas, expenditures by oil and gas companies for exploration and development of oil and natural gas and the availability of drilling rigs. The Company provides offshore drilling services to a customer base that includes independent oil and gas companies and government-owned oil companies. The Company's operations are subject to numerous international, foreign, U.S., state and local laws and regulations that relate directly or indirectly to its operations, including regulations controlling the discharge of materials into the environment, requiring removal and clean-up under some circumstances, or otherwise relating to the protection of the environment, and may include laws or regulations pertaining to climate change, carbon emissions or energy use.