This Diamond is an oiler's best friend. Diamond Offshore Drilling is a contract offshore oil and gas driller capable of descending the deep blue to depths of 10,000 feet. A leading US drilling contractor, Diamond Offshore has 30 semisubmersibles, 14 jack-up rigs (mobile drilling platforms), and one drillship. Operating in waters off six of the world's continents, Diamond Offshore contracts with 50 oil and gas companies; PETROBRAS is its major customer. The compnay also provides project management and other drilling-related services. Loews Corp. owns 50.4% of the company
