HONG KONG, Aug. 3, 2012 /PRNewswire-Asia/ -- CNOOC Limited (the "Company", NYSE: CEO, SEHK: 00883) announced today that Yacheng 13-4 gas field has recently commenced production successfully. (Logo: http://www.prnasia.com/sa/200701301659.jpg ) Yacheng 13-4 is located about 72 kilometers southwest of Sanya, Hainan Province, in the north part of the South China Sea with an average water depth of about 85 meters. This project was designed to share the existing facilities of Yacheng 13-1 gas field and built three new subsea production equipments for overall development. Three development wells have also been arranged. Yacheng 13-4 is expected to hit its peak production of 0.35 billion cubic meters per annum in 2013. Mr. Chen Bi, Executive Vice President of the Company, said, "The successful start-up of Yacheng 13-4 will make a contribution to achieve our production target this year." Yacheng 13-4 is an independent gas field in which the Company holds 100% interest and acts as the Operator. Notes to Editors:More information about the Company is available at http://www.cnoocltd.com. 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 "believe", "intend", "expect", "anticipate", "project", "estimate", "plan", "predict" and similar expressions are intended to identify such forward-looking statements. These statements are based on assumptions and analysis made by the Company in light of its experience and perception of historical trends, current conditions and expected future developments, as well as other factors that the Company believes reasonable under the circumstances. However, whether actual results and developments will meet the Company's expectations and predictions depends on a number of risks and uncertainties which could cause the actual results, performance and financial conditions to differ materially from the Company's expectations, including those associated with fluctuations in crude oil and natural gas prices, the exploration or development activities, the capital expenditure requirements, the business strategy, 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 has filed from time to time with the United States Securities and Exchange Commission, including 2011 Annual Report on Form 20-F filed on April 20, 2012. Consequently, all of the forward-looking statements made in this press release are qualified by these cautionary statements. The Company cannot assure that the actual 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.