EXHIBIT 23.1 PRICEWATERHOUSECOOPERS [LOGO] - -------------------------------------------------------------------------------- PricewaterhouseCoopers LLP Chartered Accountants 111 5th Avenue SW, Suite 3100 Calgary, Alberta Canada T2P 5L3 Telephone +1 (403) 509 7500 Facsimile +1(403) 781 1825 CONSENT OF INDEPENDENT CHARTERED ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form F-3 of our report dated February 11, 2005, relating to the consolidated financial statements of PrimeWest Energy Trust (the "Trust") which appears in the Trust's Annual Report on Form 40-F and its Registration Statement on Form 40-F. Additionally, we consent to the reference to us under the heading "Experts" in this Registration Statement on Form F-3. /s/ PricewaterhouseCoopers LLP Chartered Accountants Calgary, Alberta September 7, 2005 PricewaterhouseCoopers refers to the Canadian firm of PricewaterhouseCoopers LLP and the other member firms of PricewaterhouseCoopers International Limited, each of which is a separate and independent legal entity.