EXHIBIT 11 ---------- [GRAPHIC OMITTED] [RYDER SCOTT COMPANY LETTERHEAD] LETTER OF CONSENT TO: United States Securities and Exchange Commission RE: CANADIAN NATURAL RESOURCES LIMITED ("CNRL") - REGISTRATION STATEMENT ON FORM F-9 We consent to the use of our report with respect to the reserves data of Canadian Natural Resources Limited incorporated by reference in its (i) Annual Report (Form 40-F) for the year ended December 31, 2004 and (ii) Registration Statement on Form F-9 (Registration No. 333-104919), filed with the Securities and Exchange Commission. /s/ RYDER SCOTT COMPANY - CANADA RYDER SCOTT COMPANY - CANADA Calgary, Alberta March 18, 2005