Leif Olaf Nelson

Aquadrill LLC is an offshore drilling contractor, which engages in the provision of offshore drilling services to the oil and gas industry. It owns and operates drillships, semi-submersible rigs, and tender rigs for operations in shallow to ultra-deepwater areas in both benign and harsh environments. The company was founded on June 28, 2012 and is headquartered in London, the United Kingdom.

Seadrill Ltd. engages in the provision of offshore drilling services to the oil and gas industry. It operates through the following segments: Harsh Environment, Floaters, Jack-up rigs, and Other. The Harsh Environment segment include both semi-submersibles and jack-ups that have a number of design modifications to be able to handle to weather conditions as seen in the North Sea and Canada. The Floaters segment encompasses drilling, completion, and maintenance of offshore exploration and production wells. the Jack-up Rigs segment includes drilling contracts relate to jack-up rigs for operations in harsh and benign environments in shallow water. The Other segment represents management services to third parties and related parties. The company was founded on May 10, 2005 and is headquartered in Hamilton, Bermuda.

Seadrill Seabras SP UK Ltd. engages in the production of oil and gas. The company was founded on March 21, 2018 and is headquartered in London, the United Kingdom.

Part of Seadrill Ltd., Seadrill Seadragon UK Ltd. provides financial management services. The private company is based in London, UK and was founded in 2018.

Part of Seadrill Ltd., Seadrill Treasury UK Ltd. provides financial management services. The private company is based in London, UK and was founded in 2018.