Transocean

Transocean Ltd. is an American company. It is the world's largest offshore drilling contractor based on revenue and is based in Vernier, Switzerland. The company has offices in 20 countries, including Canada, the United States, Norway, Scotland, India, Brazil, Singapore, Indonesia, and Malaysia.

In 2010, Transocean was found partially responsible (30% of total liability) for the Deepwater Horizon oil spill resulting from the explosion of one of its oil rigs in the Gulf of Mexico.

In 2019, Royal Dutch Shell accounted for 26% of the company's revenues, while Equinor accounted for 21% of the company's revenues, and Chevron accounted for 17% of the company's revenues.

For generations Transocean and its legacy companies have led the offshore drilling industry with the most innovative and sophisticated technology, and the people that put it to record-setting use. From the first mobile jackup rig and the first drillship, both in the 1950s, to the 2016 drillships that incorporate our designed and patented Active Power Compensation® hybrid system, we're are still pushing the curve.