Exhibit 15.13

 

Consent of Independent Consultant

We consent to the reference to our firm in the form and context in which they appear in this Annual Report on Form 20-F, and the inclusion of our reports herein for CNOOC Limited, and to the incorporation by the reference in any Registration Statement on Form F-3 and related Prospectus Supplements of CNOOC Limited for the registration of debt securities and guarantees previously filed with the Securities and Exchange Commission.

McDANIEL & ASSOCIATES CONSULTANTS LTD.

By:/s/J. W. B. Wynveen  

Name: J. W. B. Wynveen, P. Eng. 

Title: Executive Vice President

McDaniel & Associates Consultants Ltd. 

2200, Bow Valley Square 3 

255 - 5 Avenue S.W. 

Calgary, Alberta 

T2P 3G6 Canada

March 15, 2019

2200, Bow Valley Square 3, 255 - 5 Avenue SW, Calgary AB T2P 3G6   Tel: (403) 262-5506   Fax: (403) 233-2744   www.mcdan.com