is an upstream oil and gas company responsibly developing energy resources in the UK North Sea, offshore West Africa, the United States and Western Canada. A wholly-owned subsidiary of CNOOC Limited, Nexen has three principal businesses: conventional oil and gas, oil sands and shale gas / oil.

Long Lake Incident Investigations

Update on the July 2015 pipeline rupture and January 15 explosion. learn more

A New Energy

It's about who we are and how we work. learn more

Cost Control Measures Achieve Remarkable Results Steady Progress in All Businesses in 1H 2016
August 24, 2016  |  read more
Nexen Energy ULC - Media Advisory
July 12, 2016  |  read more
CNOOC Limited Announces Changes in Directors and Senior Management
June 15, 2016  |  read more