EX-23 9 ex8form40f_2007.txt CONSENT OF ENGINEERING CONSULTANTS EXHIBIT 8 CONSENT OF RYDER SCOTT COMPANY, INDEPENDENT PETROLEUM ENGINEERING CONSULTANTS 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, 2007 and (ii) Registration Statement on Form F-9 (Registration No. 333-146056) filed with the Securities and Exchange Commission. SIGNED "RYDER SCOTT COMPANY" Calgary, Alberta March 19, 2008