Diamond Offshore History

Diamond Offshore traces its beginnings to the earliest days of the offshore drilling industry. Decades of innovation, multiple acquisitions of rigs and companies, and an unwavering commitment to safety compose the chapters of our history and define Diamond Offshore as an established world leader in offshore drilling. 

Today, Diamond Offshore's fleet of offshore drilling rigs consists of 19 semisubmersibles, four ultra-deepwater drillships and one jack-up currently commissioned around the world.

View a detailed account of our history in PDF format. 

Milestones

Diamond Offshore Timeline