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 November 8, 2005



                                 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 Form 20-F or Form 40-F)



  Form 20-F      X               Form 40-F
              ---------                     ----------


       (Indicate by check mark whether the registrant by furnishing the
 information contained in this Form 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): N/A.)






Company Press Release
---------------------


               New Fields CFD 11-3/5 Came on Stream in Bohai Bay

(Hong Kong, November 8, 2005) - CNOOC Limited (the "Company"; NYSE "CEO", SEHK
"883") is pleased to announce today that it has achieved initial production
from the Caofeidian (CFD) 11-3/5 fields in block 04/36 in Bohai Bay. Using an
unmanned facility, the fields are producing at the peak capacity of 13,800
barrels of oil per day.

CFD11-3/5 fields are located in western Bohai Bay in an average water depth of
approximately 25 meters. To further enhance the economy of the fields, the
development is combined with CFD 11-1 and CFD 11-2.

Mr. Liu Jian, Executive Vice President of the Company, commented, "We are
satisfied with the cost effective development of CFD 11-3/5. The successful
completion of the fields is an excellent example of our cooperation with
international partners."

The Company holds a 51% interest in the fields. Kerr-McGee is the operator
with a 40% interest. Sino American Energy Corp., a subsidiary of Ultra
Petroleum, is another partner with 9% interest.


End

Notes to Editors:

CNOOC LIMITED - BACKGROUND

CNOOC Limited (the "Company", together with its subsidiaries, the "Group") -
Incorporated in Hong Kong in August 1999, CNOOC Limited was listed on the New
York Stock Exchange ("NYSE") (code: CEO) and The Stock Exchange of Hong Kong
Limited ("HKSE") (code: 0883) on February 27 and 28, 2001, respectively. The
Company was admitted as a constituent stock of the Hang Seng Index in July
2001.

The Group is China's largest producer of offshore crude oil and natural gas
and one of the largest independent oil and gas exploration and production
companies in the world. The 





Company mainly engages in offshore oil and natural gas exploration,
development, production and sales.

The Company has four major oil production areas offshore China which are Bohai
Bay, Western South China Sea, Eastern South China Sea and East China Sea. It
is the largest offshore oil producer in Indonesia. The Group also has certain
upstream assets in regions such as Australia.

As at December 31, 2004, the Company owned net proved reserves of
approximately 2.2 billion barrels-of-oil equivalent and its annual daily
average net production was 382,513 barrels-of-oil equivalent per day.

As at December 31, 2004, the Group had 2,524 employees.

CNOOC LIMITED - Relationship with its parent company, CNOOC

CNOOC Limited, incorporated in Hong Kong, is a 70.64% held subsidiary of China
National Offshore Oil Corporation ("CNOOC"). CNOOC Limited is the sole vehicle
through which CNOOC carries out oil and gas exploration, development,
production and selling activities offshore China and internationally.

CNOOC, the parent company, is involved in the administrative, research and
services functions for the People's Republic of China's offshore petroleum
industry as well as other mid- or down-stream petroleum projects.

                                  *** *** ***

This press release contains statements that are not historical facts,
including statements about beliefs and expectations of the directors of CNOOC
Limited (the "Company"). These forward-looking statements are based on current
plans, estimates and projections, and therefore you should not place undue
reliance on them. Forward-looking statements speak only as of the date they
are made, and the directors of the Company undertake no obligation to update
publicly any of them in light of new information or future events.
Forward-looking statements involve inherent risks and uncertainties. You are
cautioned that a number of important factors could cause actual results to
differ materially from those contained in any forward-looking statement. Such
factors include, but are not limited to, changes in the PRC economic,
political and social conditions as well as government policies.

                                  *** *** ***





For further enquiries, please contact:

Mr. Xiao Zongwei
General Manager of Investor Relations
CNOOC Limited
Tel: +86-10-8452-1646
Fax: +86-10-8452-1441
E-mail: xiaozw@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









SIGNATURES

      Pursuant to the requirements of the Securities Exchange Act of 1934, as
amended, the registrant has duly caused this report on Form 6-K to be signed
on its behalf by the undersigned, thereunto duly authorized.

                                             CNOOC Limited


                                             By:  /s/ Cao Yunshi
                                                  -----------------------------
                                                    Name: Cao Yunshi
                                                    Title:  Company Secretary

Dated: November 8, 2005