EXHIBIT 8 --------- [Consent of 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 (From 40-F) for the year ended December 31, 2006 and (ii) Registration Statement on Form F-9 (Registration No. 333-138873), filed with the Securities and Exchange Commission. /s/ Ryder Scott Company Calgary, Alberta March 5, 2007