EXHIBIT 23.5 [CHAPMAN PETROLEUM ENGINEERING LTD. LETTERHEAD] March 17,1999 Neutrino Resources Inc. 1400, 300 - 5TH Avenue SW Calgary, Alberta T2P 3C4 Attention: Mr. Al Smith Dear Sir: Re: Neutrino Resources Inc. (the "Company") CONSENT LETTER -------------------------------------- We hereby consent to the use of and reference to our name and material from our reports entitled: i) "Reserve and Economic Evaluation, Oil and Gas Properties, Owned by Neutrino Resources Inc., January 1, 1999," dated December 29, 1998. and ii) "Reserve and Economic Evaluation, Oil and Gas Properties, Spruce Hills Production Company Inc., Owned by Neutrino Resources Inc., January 1, 1999," dated December 30, 1998; and iii) any other supplemental reports prepared by us referring to the above reports. in the Company's annual report and in any required filings with the Securities Exchange Commission (SEC) or any other securities regulatory bodies. Yours very truly, Chapman Petroleum Engineering Ltd. /s/ C.W. CHAPMAN C.W. Chapman P. Eng. President PERMIT TO PRACTICE CHAPMAN PETROLEUM ENGINEERING LTD. Signature /s/ C.W. CHAPMAN Date 3/17/99 PERMIT NUMBER: P 4201 The Association of Professional Engineers Geologists and Geophysicists of Alberta