CNOOC Petroleum North America ULC, formerly known as Nexen, is a Canadian oil and gas company based in Calgary, Alberta.
Originally the Canadian subsidiary of US-based Occidental Petroleum, it became an independent company, Nexen, in 2000. Wikipedia
CEO: Liu Yongjie (Nov 2020–)
Headquarters: Calgary, Canada
Number of employees: 3,000 (2013)
Founded: July 12, 1971
Formerly: CNOOC Nexen (2013-2018); Nexen (2000-2013); Canadian Occidental (1971-2000)
Parent organizations: CNOOC and CNOOC Limited
Subsidiaries: CNOOC Petroleum Europe Limited, CNOOC Marketing Canada, Nexen Petroleum U.S.A. Inc., and more
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