ENSCO International Incorporated, together with its subsidiaries, operates as an offshore contract drilling company in the United States and internationally. Its offshore contract drilling operations include exploration, development, and production of oil and natural gas, as well as the provision of offshore drilling services to the international oil and gas industry. As of February 15, 2007, the company operated a fleet of 43 jackup rigs, 1 ultra-deepwater semisubmersible rig, and 1 barge rig. ENSCO International provides its services to international, government-owned, and independent oil and gas companies. It has operations in North and South America; Europe; Africa; and Asia Pacific,...