UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
FORM 6-K
 
Report of Foreign Private Issuer
 
Pursuant to Rule 13a-16 or 15d-16
of the Securities Exchange Act of 1934

For the month of April 2010

Commission File Number 1-14966


CNOOC Limited
(Translation of registrant’s name into English)
   
65th Floor
Bank of China Tower
One Garden Road
Central, Hong Kong
(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F    X          Form 40-F ___

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ____

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ____

Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes ___      No    X   

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): Not applicable
 
 
 
 

 
 
 

 
Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.



   
CNOOC Limited
 
       
                                                                          By:
 
/s/ Jiang Yongzhi
 
                                                                     Name:
 
Jiang Yongzhi
 
                                                                       Title:
 
Joint Company Secretary
 
Dated: April 23, 2010
     
 
 
 
 

 
 

 
EXHIBIT INDEX
 
 
Exhibit No.
Description
   
99.1
Press release dated April 23, 2010, entitled “CNOOC Ltd. Filed 2009 Annual Report on Form 20-F”.
 

 
 
 

 
                                           
 
Exhibit 99.1
 
 
 
For Immediate Release
 
CNOOC Ltd. Filed 2009 Annual Report on Form 20-F

 (Hong Kong, April 23, 2010) - CNOOC Limited (the “Company" or “CNOOC Ltd.”, NYSE: CEO, SEHK: 00883) announced today it has filed with the United States Securities and Exchange Commission (“SEC”) its 2009 annual report on Form 20-F (“annual report”) that included audited financial statements for the year ended December 31, 2009.

The annual report is available on the Company’s website at http://www.cnoocltd.com and also available on the SEC′s website at http://www.sec.gov.

To request a hard copy of the annual report, including the complete audited financial statements free of charge, please contact:

Mr. Cao Yan
IR Manager of Investor Relations Department
CNOOC Limited
Tel: +86-10-8452-1417
Fax: +86-10-8452-1441
E-mail: caoyan@cnooc.com.cn

End –

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 analyses made by us that we believe are reasonable under the circumstances. However, whether actual results and developments will meet our expectations and predictions depend on a number of risks and uncertainties which could cause our actual results, performance and financial condition to differ materially from our expectations. For a description of these and other risks and uncertainties, please see the documents we file from time to time with the United States Securities and Exchange Commission, including our 2009 Annual Report on Form 20-F filed on April 23, 2010.
*** *** *** ***
For further enquiries, please contact:

Mr. Jiang Yongzhi
Joint Company Secretary and General Manager of Investor Relations Department
CNOOC Limited
Tel: +86-10-8452-1731
Fax: +86-10-8452-1441
E-mail: jiangyzh2@cnooc.com.cn

Ms. Sharon Fung
Ketchum Newscan Public Relations Ltd
Tel: +852-3141-8082
Fax: +852-2510-8199
E-mail: sharon.fung@knprhk.com