Attached files

file filename
EX-31.2 - EXHIBIT 31.2 - PDC 2005-A Limited Partnershipex31_2.htm
EX-32.1 - EXHIBIT 32.1 - PDC 2005-A Limited Partnershipex32_1.htm
EX-31.1 - EXHIBIT 31.1 - PDC 2005-A Limited Partnershipex31_1.htm
EX-99.2 - EXHIBIT 99.2 - PDC 2005-A Limited Partnershipex99_2.htm
10-K - PDC 2005-A LIMITED PARTNERSHIP 10K 12-31-2009 - PDC 2005-A Limited Partnershipform10k.htm

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FAX (303) 623-4258
     
621 SEVENTEENTH STREET
SUITE 1550
DENVER, COLORADO 80293
TELEPHONE (303) 623-9147


 
Exhibit No. 23.1


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.


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RYDER SCOTT COMPANY, LP


Denver, Colorado
March 26, 2010


1100 LOUISIANA, SUITE 3800
HOUSTON, TEXAS 77002-5218
TEL (713)651-9191
FAX (713)651-0849
1200, 530-8TH AVENUE, S.W.
CALGARY, ALBERTA T2P 3S8
TEL (403) 262-2799
FAX (403) 262-2790