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.

Video: Sampling Core in the Core

Core samples in the Nexen lab.

Nexen's core sampling lab is a win-win. learn more

Shale Gas Animation

Highlighting shale gas development & Nexen's commitment to responsible development. learn more

Supporting the Community

Western Canada Summer Games logo

CNOOC Nexen presenting sponsor of the 2015 Western Canada Summer Games. learn more

Aurora LNG

B.C. government grants Nexen and partners the right to pursue access to Crown land. learn more

CNOOC Limited: Exploration and Development Laid Solid Foundation Lowering Costs and Enhancing Efficiency Program Achieved Outstanding Results
March 27, 2015  |  read more
Nexen Team Wins CANstruction Competition
March 26, 2015  |  read more
Nexen Donates £75,000 to Mental Health Charity
March 23, 2015  |  read more
NYSE: CEO $141.30 $6.49
SEHK: 00883 $10.50 $-0.06
TSX: CNU $178.79 $10.79
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Colombia - ENG / ESP