CEO [CNOOC] 424B3: (Original Filing)
[No. 333-224357 Registration No. 333-224357-02 Registration PROSPECTUS SUPPLEMENT NO. 2 TO PROSPECTUS DATED September 20, 2019 CNOOC Finance (2013) Limited (incorporated in the British Virgin Islands) US$1,000,000,000 2.875% Guaranteed Notes due 2029 US$500,000,000 3.300% Guaranteed Notes due 2049 un]