CEO [CNOOC] CORRESP: CNOOC LIMITED September 2, 2013 Mr. Mr. Division
[CNOOC LIMITED September 2, 2013 Mr. Mr. Division of Corporation Finance 100 F Street, N.E. Mail Stop 7010 U.S.A. Re: CNOOC Limited Form 20-F for Fiscal Year Ended December 31, 2012 Filed April 24, 2013 File No. Dear Messrs. Skinner and Winfrey: Company SEC CNOOC Limited (the “ The Company has carefully reviewed and considered the staff's comments, and is]