[5] In 2014, Seadrill conducted an initial public offering of its North Atlantic Drilling subsidiary, which owns harsh environment rigs.

[15] In 2019, Seadrill acquired a 50% stake in Gulfdrill, a joint venture that operates five premium jackups in Qatar with Qatargas.

In 2019, Seadrill acquired a 50% stake in Sonadrill, a joint venture that operates 3 drillships focusing on opportunities in Angolan waters.

[16] On October 1, 2020, Seadrill announced the appointment of new CEO Stuart Jackson, replacing Anton Dibowitz with immediate effect.

On November 17, 2022, the Shares were moved from the Euronext Expand market to the main list of the OSE [23] In October 2022, Seadrill completed the sale of seven jack-up rigs to ADES Arabia Holding Company.

[16] In December 2022, it was announced Seadrill had acquired the London-headquartered owner of offshore drilling units, Aquadrill LLC, in an all-stock deal worth $958 million USD.

In 2021, Seadrill achieved an industry-leading B rating from CDP, 0 fines or significant environmental incidents, and 0 tier 1 well control events.

In 2015, Petrobras alleged bribery in the negotiations of rig contracts signed by Sevan Drilling, a subsidiary of Seadrill, in 2005-2008.

The company conducted scientific studies and concluded there “has been little or no detectable impact from the spill on any marine ecosystem or species in the Timor Sea”.