EXHIBIT 23.1 CONSENT OF CHAPMAN PETROLEUM ENGINEERING, LTD INDEPENDENT PETROLEUM ENGINEERS We consent to the reference to our firm and to the reference to our "Reserve and Economic Evaluation Oil and Gas Properties" dated April 1, 2005 in the Annual Report (Form 10-KSB), of BMB Munai, Inc. /s/ Charlie Chapman Chapman Petroleum Engineering, Ltd. Calgary, Aberta, Canada July 1, 2005