Attached files
FAX (303) 623-4258
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621 SEVENTEENTH STREET
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SUITE 1550
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DENVER, COLORADO 80293
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TELEPHONE (303) 623-9147
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Exhibit No. 23.1
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CONSENT OF INDEPENDENT PETROLEUM ENGINEERS
As independent petroleum and natural gas consultants, we hereby consent to the reference of our name in the Report on Form 10-K for the years ending December 31, 2009 and December 31, 2008 of PDC 2005A (the "Partnership"). We have no interest of a substantial or material nature in the Partnership, or in any affiliate. We have not been employed on a contingent basis, and we are not connected with the Partnership, or any affiliate as a promoter, underwriter, voting trustee, director, officer, employee or affiliate.
RYDER SCOTT COMPANY, LP
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Denver, Colorado
March 26, 2010
1100 LOUISIANA, SUITE 3800
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HOUSTON, TEXAS 77002-5218
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TEL (713)651-9191
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FAX (713)651-0849
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1200, 530-8TH AVENUE, S.W.
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CALGARY, ALBERTA T2P 3S8
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TEL (403) 262-2799
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FAX (403) 262-2790
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