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Transocean to Acquire Valaris in $5.8 Billion Deal

Published: April 8, 2026 |

[Click image to enlarge]

[Click image to enlarge]

Transocean and Valaris Limited have signed a definitive agreement to combine the two companies where Transocean will acquire Valaris in an all-stock transaction valued at approximately $5.8 billion. The shareholding percentages of the combined company will be approximately 53 percent for Transocean and 47 percent for Valaris.

“This transaction creates a very attractive investment in the offshore drilling industry, differentiated by the best fleet, proven people, leading technologies, and unequalled customer service,” said Keelan Adamson, Transocean president and chief executive officer.

“The powerful combination is well-timed to capitalize on an emerging, multi-year offshore drilling upcycle. Investors and our global customers will benefit from our expanded fleet of best-in-class, high-specification rigs. We have identified more than $200 million in cost synergies that will complement our ongoing efforts to safely lower costs,” added Adamson.

“By combining with Transocean, we will create a new industry leader for the benefit of our shareholders, customers and employees. We look forward to complementing Transocean’s high-specification deepwater assets with our own, while returning world class jackup expertise to Transocean’s business, creating a combined company that is capable of operating any rig at any water depth in any offshore environment around the world,” said Valaris Chief Executive Officer Anton Dibowitz.

A POWERFUL COMBINATION

The transaction brings together highly complementary, premium offshore assets. On a pro forma basis, the company will own 73 rigs able to serve customers in deepwater, harsh environment, and shallow water basins around the world.

An industry-leading combined backlog of approximately $10 billion enhances Transocean’s cash flow visibility. In addition to Transocean’s ongoing cost-reduction program, which is expected to reduce costs by more than $250 million in aggregate through 2026, identified incremental transaction-related synergies of more than $200 million will strengthen Transocean’s financial flexibility.

Transocean’s senior management team will be led by CEO Keelan Adamson, and Jeremy Thigpen will serve as executive chairman of the board. The board will be comprised of nine current Transocean directors and two current Valaris directors. Transocean will remain incorporated in Switzerland, with its primary administrative office in Houston.


Transocean is a leading international provider of offshore contract drilling services for oil and gas wells. The company specializes in technically demanding sectors of the global offshore drilling business with a particular focus on ultra-deepwater and harsh environment drilling services and operates the highest specification floating offshore drilling fleet in the world. Transocean owns or has partial ownership interests in and operates a fleet of 27 mobile offshore drilling units, consisting of 20 ultra-deepwater floaters and seven harsh environment floaters.


Valaris is an industry leader in offshore drilling services across all water depths and geographies. Operating a high-quality rig fleet of ultra-deepwater drillships, versatile semisubmersibles and modern shallow-water jackups, Valaris has experience operating in nearly every major offshore basin. Valaris maintains an unwavering commitment to safety, operational excellence, and customer satisfaction, with a focus on technology and innovation.


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