Exhibit 23.1 [RYDER SCOTT COMPANY PETROLEUM ENGINEERS LETTERHEAD] CONSENT OF INDEPENDENT PETROLEUM ENGINEERS To Chaparral Resources, Inc: We consent to the incorporation by reference of our reserve report and all supporting schedules, exhibits, and attachments thereto, into Chaparral Resources, Inc.'s Registration Statement on Form S-3 filed in March 2000, including all future amendments to such Form S-3. /s/ Ryder Scott Company L P ------------------------------------------- Ryder Scott Company L P Denver, Colorado March 14, 2000