Carl Trowell

Valaris Plc engages in the provision of offshore contract drilling services to the international oil and gas industry. It operates its through the following segments: Floaters, Jackups and ARO, Others. The Floaters segment includes drill ships and semisubmersible rigs. The Jackups segment offers contract drilling service. The ARO segment focuses in offshore drilling services. The Others segment consists of management services on rigs owned by third-parties. The company was founded on July 3, 1905 and is headquartered in London, the United Kingdom.

WesternGeco provides seismic contracting services. The firm offers reservoir imaging, monitoring and development services to oil & gas companies. The company was incorporated on September 19, 1978 and is headquartered in Gatwick, the United Kingdom.

Acteon Group Ltd. engages in the provision of subsea services. It offers survey, monitoring, and data; risers and moorings; and project support services. The company was founded in 1989 and is headquartered in Norwich, the United Kingdom.

Ophir Energy Plc engages in the development of offshore oil and gas exploration assets. Its projects are located in Thailand, Indonesia, Vietnam, and Tanzania. It operates through the following geographical segments: Africa, Asia, and Other. The company was founded by Alan Mckellar Stein, Peter Dolan and Jonathan Mark Taylor in February 2004 and is headquartered in London, the United Kingdom.