HONG KONG, Feb. 5, 2018 /PRNewswire/ -- CNOOC Limited (the "Company", SEHK: 00883, NYSE: CEO, TSX: CNU) announced today that the Stampede Field, located in the deepwater Gulf of Mexico, has commenced production.

The Stampede Field is located in the Gulf of Mexico, approximately 185 kilometers south of Fourchon, Louisiana, U.S.A. It is positioned in approximately 1,066 meters of water, with a reservoir depth of 9,100 meters.

The facility is designed for a gross topsides processing capacity of approximately 80,000 barrels of oil per day, 40 million standard cubic feet of natural gas per day, and 100,000 barrels of water injection capacity per day. Under the current development scope, production facilities will consist of six subsea production wells and four water injection wells tied back to a Tension Leg Platform (TLP). Three production wells are currently completed, and production is expected to ramp up through 2018.

Nexen Petroleum Offshore U.S.A. Inc., a wholly owned affiliate of CNOOC Limited, has a 25 percent working interest in Stampede Field. Hess Corporation, Union Oil Company of California, a subsidiary of Chevron Corporation and Statoil Gulf of Mexico LLC, each have a 25 percent working interest while Hess is the operator.

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Notes to Editors:

More information about the Company is available at http://www.cnoocltd.com.

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This press release includes "forward-looking statements" within the meaning of the United States Private Securities Litigation Reform Act of 1995, including statements regarding expected future events, business prospectus or financial results. The words "expect", "anticipate", "continue", "estimate", "objective", "ongoing", "may", "will", "project", "should", "believe", "plans", "intends" and similar expressions are intended to identify such forward-looking statements. These statements are based on assumptions and analyses made by the Company in light of its experience and its perception of historical trends, current conditions and expected future developments, as well as other factors the Company believes are appropriate under the circumstances. However, whether actual results and developments will meet the expectations and predictions of the Company depends on a number of risks and uncertainties which could cause the actual results, performance and financial condition to differ materially from the Company's expectations, including but not limited to those associated with fluctuations in crude oil and natural gas prices, the exploration or development activities, the capital expenditure requirements, the business strategy, whether the transactions entered into by the Group can complete on schedule pursuant to their terms and timetable or at all, the highly competitive nature of the oil and natural gas industries, the foreign operations, environmental liabilities and compliance requirements, and economic and political conditions in the People's Republic of China. For a description of these and other risks and uncertainties, please see the documents the Company files from time to time with the United States Securities and Exchange Commission, including the Annual Report on Form 20-F filed in April of the latest fiscal year.

Consequently, all of the forward-looking statements made in this press release are qualified by these cautionary statements. The Company cannot assure that the results or developments anticipated will be realized or, even if substantially realized, that they will have the expected effect on the Company, its business or operations.

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For further enquiries, please contact:

Ms. Jing Liu
Manager, Media & Public Relations
CNOOC Limited
Tel: +86 10 8452 3404
Fax: +86 10 8452 1441
E-mail: [email protected]

Ms. Iris Wong
Hill+Knowlton Strategies Asia
Tel: +852-2894 6263
Fax:+852-2576 1990
E-mail: [email protected]

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SOURCE CNOOC Limited