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 October 2007

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/ Kang Xin
                                                                     Name:    
Kang Xin
                                                                       Title:    
Company Secretary
Dated: October 16, 2007
 




EXHIBIT INDEX
                        
Exhibit No.   Description
   
99.1
Announcement dated October 15, 2007, entitled “Unusual Price Movement”.
 
   
 
                                    
 


Exhibit 99.1

(Incorporated in Hong Kong with limited liability under the Companies Ordinance)
(Stock Code: 883)

UNUSUAL PRICE MOVEMENT

This statement is made at the request of The Stock Exchange of Hong Kong Limited.

We have noted todays increase in the price of the shares of the Company and wish to state that we are not aware of any reasons for such increase.

We also confirm that there are no negotiations or agreements relating to intended acquisitions or realisations which are discloseable under Rule 13.23 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the Listing Rules), neither is the Board aware of any matter discloseable under the general obligation imposed by Rule 13.09 of the Listing Rules, which is or may be of a price-sensitive nature.

Made by the order of the Board of CNOOC Limited, the directors of which individually and jointly accept responsibility for the accuracy of this statement.
 
 
By Order of the Board
 CNOOC Limited
 Kang Xin
 Company Secretary

Hong Kong, 15 October 2007

As at the date of this announcement, the Board comprises the following:

Executive Directors
Fu Chengyu (Chairman)
Zhou Shouwei
Wu Guangqi
Yang Hua
 
Non-executive Directors
Luo Han
Cao Xinghe
Wu Zhenfang
Independent Non-executive Directors
Edgar W. K. Cheng
Chiu Sung Hong
Evert Henkes
Lawrence J. Lau
Tse Hau Yin, Aloysius