Washington, D.C. 20549




Report of Foreign Private Issuer


Pursuant to Rule 13a-16 or 15d-16 

of the Securities Exchange Act of 1934


For the month of March 2018


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  o


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   o         No  x


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





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/ Jiewen Li  
  Name:   Jiewen Li  
  Title:   Joint Company Secretary  


Dated: March 19, 2018







Announcement entitled “Date of Board Meeting”


Exhibit 99.1



Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.



(Incorporated in Hong Kong with limited liability under the Companies Ordinance) 

(Stock Code: 00883)





The board of directors (the "Board") of CNOOC Limited (the "Company") announces that a meeting of the Board will be held on Thursday, 29 March 2018, whereat the Board will, amongst other matters, approve the annual results of the Company and its subsidiaries for the year ended 31 December 2017 and consider the recommendation on payment of a final dividend.


By Order of the Board 

CNOOC Limited

Li Jiewen 

Joint Company Secretary


Hong Kong, 19 March 2018


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


Executive Directors
Yuan Guangyu
Xu Keqiang


Non-executive Directors
Yang Hua (Chairman)

Liu Jian (Vice Chairman)

Wu Guangqi

Independent Non-executive Directors
Chiu Sung Hong
Lawrence J. Lau
Tse Hau Yin, Aloysius

Kevin G. Lynch