CNOOC Limited (the “Company” or “CNOOC Limited”, together with its subsidiaries, the “Group” or “we”), incorporated in the Hong Kong Special Administration Region (“Hong Kong”) in August 1999, was listed on the New York Stock Exchange (code: CEO) and The Stock Exchange of Hong Kong Limited (code: 00883) on 27 and 28 February 2001, respectively. The Company was admitted as a constituent stock of the Hang Seng Index in July 2001. The Company’s American Depositary Receipts (“ADRs”) were listed on the Toronto Stock Exchange (code: CNU) on 18 September 2013.

The Group is the largest producer of offshore crude oil and natural gas in China and one of the largest independent oil and gas exploration and production companies in the world. The Group mainly engages in exploration, development, production and sale of crude oil and natural gas.

The Group’s core operation areas are Bohai, the Western South China Sea, the Eastern South China Sea and the East China Sea in offshore China. The Group has oil and gas assets in Asia, Africa, North America, South America, Oceania and Europe.

  •    No.25,Chaoyangmenbei Dajie, Dongcheng District, Box 4705, Beijing, China


    Company in Numbers

Number of Fields



35.85 Billion

Total asset value

757.7 Billion

Cash Reserve

5.18 Billion

Production volume

1,387,564 BOE

No. of employees


    Key People

    Corporate Social responsibility

Our ultimate goal is to generate a net benefit for society as we pursue our vision: to deliver sustainable energy for all. Taking the time to understand the issues important to our neighbouring communities and other stakeholders is the first step in social responsibility.

    Work Culture

At CNOOC International, we foster ethical, responsible and a safety-first mindset in order to build trust with all of our stakeholders. We set high expectations of our employees and provide resources to help guide responsible decisions. Working this way helps us attract and retain talented employees, enables us to access capital and countries that might otherwise be difficult, and strengthens the work we do as stakeholders.

    Safety Culture

Our CNOOC Limited HSE Management System (CHSEMS) embodies our advanced management ideas. It consists of 10 core elements including leadership andresponsibilities, along with 70 specific management requirements.

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