Exhibit
10.2
  Aim
31-33
 Lease
No. 730700
 730600
   ASSIGNMENT
OF WORKING INTEREST
  This
Assignment made this 16th day of March 2005 from PETROLEUM DEVELOPMENT
CORPORATION, a Nevada Corporation, (herein called "Assignor") to PDC 2005A, Limited Partnership,(herein called "Assignee");
  WITNESSETH
  Assignor,
for the sum of One Dollar ($1.00) and other valuable consideration, the receipt
of which is hereby acknowledged, does by these presents GRANT, BARGAIN, SELL,
EXCHANGE, CONVEY, ASSIGN, TRANSFER, SET OVER and DELIVER unto Assignee all of
the following:
  1.      The
specific undivided interest shown in Exhibit A in respect of each of the oil and
gas leases shown in Exhibit A, but only to the extent such leases cover lands
and depths necessary for production of the specific oil and gas well identified
in Exhibit A. This is intended to be a "welIbore assignment." Assignee shall be
entitled to receive that share of production from the well identified in Exhibit
A which is attributable to (he undivided interest here being assigned, but the
Assignee shall have, as a result of this Assignment, no interest whatsoever in
any other oil and gas well, whether now existing or hereafter drilled, which may
be located on the lands described in Exhibit A or on any land pooled therewith.
Assignor expressly excepts from this Assignment and reserves to itself, its
successors and assigns, the remainder of the lease and the leasehold oil and gas
estate, including (without limitation) the right to produce other wells which
are or may be located on the lands described in Exhibit A and lands pooled
therewith, without the obligation to account to Assignee for any such other
production.
  2.      The
specific undivided interest shown in Exhibit A in all valid unitization,
pooling, operating and communitization agreements, declarations and orders
Involving the leasehold interests here being assigned, but only to the extent
that such agreements, declarations and orders relate to the well specifically
identified in Exhibit A and in all other respects limited to the manner as set
forth in Paragraph 1,above.
  3.      The
specific undivided interest shown in Exhibit A in all valid oil and gas safes,
purchase, exchange and processing contracts, but only to the extent that such
contracts relate to the well specifically identified in Exhibit A and in all
other respects limited in the manner set forth in Paragraph 1,above.
  4.      The
specific undivided interest shown in Exhibit A in all personal property,
improvements, lease and well equipment, easements, permits, licenses, servitudes
and rights-of-way now owned by Assignor and being used in connection with the
operation of the well specifically identified in Exhibit A or in connection with
the production, treating, storing, transportation or marketing of oil, gas and
other minerals from that well, but in all respects limited in the mannerset forth
in Paragraph 1, above.
  TO HAVE
AND TO HOLD the interests described unto Assignee, its successors and assigns,
forever.
  This
Assignment is made without warranties of any type (whether of title,
merchantability or fitness for a particular use), either express or implied, but
is made with full substitution of Assignee in all covenants and warranties
previously given or made by others, but only to the extent of the interests here
assigned. Assignor does, however, expressly intend that this Assignment convey
any title that Assignor may hereafter acquire to the extent that such
after-acquired title may be necessary to fulfill the interests herein
assigned.
  Assignee
shall bear its proportionate share of all burdens on production now of record
and hereby assumes its proportionate share of all other obligations that relate
to the well specifically identified in Exhibit A and the production
therefrom.
  Both
Assignor and Assignee hereby agree to execute and deliver such additional
instruments, notices, division orders, transfer orders and other documents as
may reasonably be requested by the other, and to do such other acts and things,
as may be necessary or convenient to accomplish this Assignment in the manner
and to the extent described in Paragraph 1, above.
  
  Aim
31-33
 Lease
No. 730700
 730600
  IN
WITNESS WHEREOF, Petroleum Development Corporation has executed and delivered
this instrument, with the intention that it shall be effective as of the date of
first production from the well specifically identified in Exhibit
A.
  PETROLEUM
      DEVELOPMENT CORPORATION
                      A
      Nevada CorporationBy:
                    /s/
      William D. GainorWilliamD.
      GainorLand
      Manager
   STATE OF
WEST VIRGINIA    )
 )         
TO-WIT:
 COUNTY OF
HARRISON          )
   The
foregoing instrument was acknowledged before me this 17th day of
March2005
by William D. Gainor, Land Manager of Petroleum Development Corporation, a
Nevada Corporation, for and on behalf of the Corporation. He executed the
foregoing for the purposes therein contained,
  /s/
      Rita A. ClarkRita
      A. ClarkNotary
      Public - State of West Virginia
                    County of HarrisonMy
      Commission expires: June 2,
2009
   This
Instrument was prepared by:
  Petroleum
Development Corporation
 103 East
Main Street
 P. O. Box
26
 Bridgeport,
WV 26330
 Ph:
1-800-624-3821 or 304-842-6256
  
  EXHIBIT
"A"
  PDC
2O05A LIMITED PARTNERSHIP
 
 WELL
      NAME
                                                              LESSOR
      or ASSIGNOR
                                                              LEASE
      DATE
                                                              RECEPTION
      NO.
                                                              LEGAL
      DESCRIPTION
                                                              COUNTY
                                                              STATE
                                                              ASSIGNED
      INTEREST
                                                              LEASE#Aim
      31-33
                                                              Carl
      A. Aim and
                                                                Josephine
      B. Aim
                                                              11-05-2003
                                                              3232683
                                                              T7N,
      R65W Sec. 33: NW4NE4
                                                              Weld
                                                              CO
                                                              99.7304%
                                                              730700Raymond
      A Aim
                                                                and
      Victoria M. Aim
                                                              11-05-2003
                                                              3232684
                                                              T7N,
      R65W Sec. 33: PO NE4
                                                              
                                                              
                                                              
                                                              730600
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                              LESSORor ASSIGNOR
                              LEASE
      DATE
                              RECEPTION
      NO.
                              LEGAL
      DESCRIPTION
                              COUNTY
                              STATE
                              ASSIGNED
      INTEREST
                              LEASE
      #Aim
      32-33
                              Carl
      A. Aim and
                                Josephine
      B. Aim
                              11-05-2003
                              3232683
                              T7N,
      R65W Sec. 33: SW4NE4
                              Weld
                              CO
                              99.7304%
                              730700Raymond
      A. Aim and
                                Victoria
      M. Aim
                              11-05-2003
                              3232684
                              T7N,
      R65W Sec. 33: PO NE4
                              
                              
                              
                              73G600
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Bay
      Family Trust 32-1
                  Anadarko
      E & P LP and Anadarko Land Corp.
                  12-01-2004
                  3274293
                  T6N,
      R65W Sec. 1: SW4NE4
                  Weld
                  CO
                  87.2638%
                  763100
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Bixler
      32-5
                  Anadarko
      E & PCompany, LPand Anadarko Land
      Corp.
                  10-19-2004
                  3243323
                  T6N,
      R63W Sec. 5: SW4NE4
                  Weld
                  CO
                  87.2638%
                  765400
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                                                LESSOR
      or ASSIGNOR
                                                LEASE
      DATE
                                                RECEPTION
      NO.
                                                LEGAL
      DESCRIPTION
                                                COUNTY
                                                STATE
                                                ASSIGNED
      INTEREST
                                                LEASE
      #Cecil
      31-2
                                                Myrtle
      L.Cecil
                                                08-10-2004
                                                3228249
                                                T6N,
      R64W Sec. 2: NWNE
                                                Weld
                                                CO
                                                99.7304%
                                                773000Ronald
      G. Marley and Janet Sue Marley H&W
                                                02-12-2004
                                                3165405
                                                T6N,
      R64W Sec. 2: PO N2NE4
                                                
                                                
                                                
                                                738200George
      A. West, Jr. and Mary J. West H&W
                                                02-12-2004
                                                3165406
                                                T6N,
      R64W Sec. 2: PON2NE4
                                                
                                                
                                                
                                                738100Emma
      E. McNutt, by Hal E. McNutt AI.F.
                                                02-12-2004
                                                3173746
                                                T6N,
      R64W Sec. 2: PON2NE4
                                                
                                                
                                                
                                                746000
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                                                  LESSORor ASSIGNOR
                                                  LEASE
      DATE
                                                  RECEPTION
      NO.
                                                  LEGAL
      DESCRIPTION
                                                  COUNTY
                                                  STATE
                                                  ASSIGNED
      INTEREST
                                                  LEASE
      #Cecil
      41-2
                                                  Myrtle
      L. Cecil
                                                  08-10-2004
                                                  3228249
                                                  T6N,
      R64W Sec. 2: NE4NE4
                                                  Weld
                                                  CO
                                                  99.7304%
                                                  773000Ronald
      G. Marley and Janet Sue Marley H&W
                                                  02-12-2004
                                                  3165405
                                                  T6N,
      R64W Sec. 2:PO
      N2NE4
                                                  
                                                  
                                                  
                                                  738200George
      A.West, Jr. and Mary J. West H&W
                                                  02-12-2004
                                                  3165406
                                                  T6N,
      R64W Sec. 2: PO N2NE4
                                                  
                                                  
                                                  
                                                  738100Emma
      E. McNutt,
                                                    by
      Hal E. McNutt A.I.F.
                                                  02-12-2004
                                                  3173746
                                                  T6N,
      R64W Sec. 2: PO N2NE4
                                                  
                                                  
                                                  
                                                  746000
  
 
 EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                    LESSOR
      or ASSIGNOR
                    LEASE
      DATE
                    RECEPTION
      NO.
                    LEGAL
      DESCRIPTION
                    COUNTY
                    STATE
                    ASSIGNED
      INTEREST
                    LEASE
      #Chevron
      44D-5D
                    Chevron
      Shale OilCo.
                    07-31-2001
                    593765
                    T6S,
      R96W Sec. 5: SE4SE4
                    Garfield
                    CO
                    99.7304%
                    660800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                    LESSOR
      or ASSIGNOR
                    LEASE
      DATE
                    RECEPTION
      NO.
                    LEGAL
      DESCRIPTION
                    COUNTY
                    STATE
                    ASSIGNED
      INTEREST
                    LEASESChristiansen
      41-33
                    Anadarko
      E & P Company, LP and Anadarko Land Corp.
                    09-02-2004
                    3243325
                    T7N,
      R64W Sec. 33: NE4NE4
                    Weld
                    CO
                    87.2638%
                    763000
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                    LESSOR
      or ASSIGNOR
                    LEASE
      DATE
                    RECEPTION
      NO.
                    LEGAL
      DESCRIPTION
                    COUNTY
                    STATE
                    ASSIGNED
      INTEREST
                    LEASE
      #Christiansen
      42-33
                    Anadarko
      E & P Company, LP and Anadarko Land Corp.
                    09-02-2004
                    3243325
                    T7N,
      R64W Sec. 33: SE4NE4
                    Weld
                    CO
                    87.2638%
                    763000
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                    LESSOR
      or ASSIGNOR
                    LEASE
      DATE
                    RECEPTION
      NO.
                    LEGAL
      DESCRIPTION
                    COUNTY
                    STATE
                    ASSIGNED
      INTEREST
                    LEASE
      #Clark
      11-27
                    Eugene
      W. Clark and
                      Margaret
      Ann Clark
                    09-16-2003
                    3135738
                    T7N,
      R65W Sec. 27: NW4NW4
                    Weld
                    CO
                    99.7304%
                    730000
  
  EXHIBIT"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                    LESSORor ASSIGNOR
                    LEASE
      DATE
                    RECEPTION
      NO.
                    LEGAL
      DESCRIPTION
                    COUNTY
                    STATE
                    ASSIGNED
      INTEREST
                    LEASE
      #Clark
      #22-27
                    Eugene
      W. Clark and Margaret Ann Clark
                    09-16-2003
                    3135738
                    T7N,
      R65W Sec. 27: SE4NW4
                    Weld
                    CO
                    99.7304%
                    730000
  
  EXHIBIT
“A”
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                    LESSOR
      or ASSIGNOR
                    LEASE
      DATE
                    RECEPTION
      NO.
                    LEGAL
      DESCRIPTION
                    COUNTY
                    STATE
                    ASSIGNED
      INTEREST
                    LEASE
      #Green
      11-24
                    Gerald
      G. Green
                    04-20-2004
                    3189020
                    T7N,
      R65W Sec. 24: NW4NW4
                    Weld
                    CO
                    99.7304%
                    758400
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                                                        LESSOR
      or ASSIGNOR
                                                        LEASE
      DATE
                                                        RECEPTION
      NO.
                                                        LEGAL
      DESCRIPTION
                                                        COUNTY
                                                        STATE
                                                        ASSIGNED
      INTEREST
                                                        LEASE
      #Green
      32-24
                                                        Shirley
      J. Green Living Trust
                                                        04-20-2004
                                                        3195095
                                                        T7N,
      R65W Sec. 24: SW4NE4
                                                        Weld
                                                        CO
                                                        99.7304%
                                                        760100George
      L. Green Living Trust
                                                        04-20-2004
                                                        32071753
                                                        
                                                        
                                                        
                                                        
                                                        761400Jim
      LGroves and Iris 1.
      Groves
                                                        06-30-2004
                                                        3207290
                                                        
                                                        
                                                        
                                                        
                                                        762500Shirley
      Mae Hawkins
                                                        06-30-2004
                                                        3208266
                                                        
                                                        
                                                        
                                                        
                                                        763800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
  WELL
      NAME
                              LESSOR
      or ASSIGNOR
                              LEASE
      DATE
                              RECEPTIONNO.
                              LEGAL
      DESCRIPTION
                              COUNTY
                              STATE
                              ASSIGNED
      INTEREST
                              LEASE
      #Hazen
      14-28
                              Gary
      Lynn Hazen and Mary A. Hazen, H&W
                              09-30-2003
                              3232682
                              T7N,
      R65W Sec. 28: SW4SW4
                              Weld
                              CO
                              99.7304%
                              730400Jerald
      B. Winter and Margaret Jane Winter
                              03-15-2006
                              '
      3285892
                              T7N,
      R65W Sec. 28: SW4SW4
                              
                              
                              
                              800900
  
 
 EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Howard
      Lake #11-9
                  Anadarko
      E & P Company, LP and
                    Anadarko
      Land Corp.
                  9-21-2004
                  3243321
                  T6N,
      R64W Sec. 9: NW4NW4
                  Weld
                  CO
                  87.2638%
                  762100
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
  WELL
      NAME
                      LESSOR
      or ASSIGNOR
                      LEASE
      DATE
                      RECEPTION
      NO.
                      LEGALESCRIPTION
                      COUNTY
                      STATE
                      ASSIGNED
      INTEREST
                      LEASE
      #Peiker
      31-6
                      Edwin
      W. Peiker, Jr. and James R. Peiker
                      01-22-2004
                      3269190
                      T6N,
      R63W Sec. 6: NW4NE4
                      Weld
                      CO
                      99.7304%
                      736600
 
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                    LESSOR
      or ASSIGNOR
                    LEASE
      DATE
                    RECEPTION
      NO.
                    LEGAL
      DESCRIPTION
                    COUNTY
                    STATE
                    ASSIGNED
      INTEREST
                    LEASE
      #Peiker
      #32-6
                    Edwin
      W. Peiker, Jr. and James R. Peiker
                    01-22-2004
                    3269190
                    T6N,
      R63W Sec. 6: SW4NE4
                    Weld
                    CO
                    99.7304%
                    736600
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Peiker
      41-6
                  Edwin
      W. Peiker, Jr.  and James R. Peiker
                  01-22-2004
                  3269190
                  T6N,
      R63W Sec. 6: NENE
                  Weld
                  CO
                  99.7304%
                  736600
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSORor ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Peiker
      #42-6
                  Edwin
      W. Peiker, Jr. and James R.Peiker
                  01-22-2004
                  3269190
                  T6N,
      R63W Sec. 6: SW4NE4
                  Weld
                  CO
                  99.7304%
                  736600
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Puckett
      11B-25
                  Puckett
      Land Company
                  11-15-1999
                  556562
                  T6S,
      R97W Sec. 28: NW4NW4
                  Garfield
                  CO
                  50.0000%
                  636800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Puckett
      12B-7
                  Puckett
      Land Company
                  11-15-1999
                  556562
                  T7S,
      R96W Sec. 7: SW4NW4
                  Garfield
                  CO
                  10.0000%
                  636800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                      LESSOR
      or ASSIGNOR
                      LEASE
      DATE
                      RECEPTION
      NO.
                      LEGAL
      DESCRIPTION
                      COUNTY
                      STATE
                      ASSIGNED
      INTEREST
                      LEASE
      #Puckett
      12C-25
                      Puckett
      Land Co.
                      11-15-1999
                      556562
                      T6S,
      R97W Sec. 25: SW4NW4
                      Garfield
                      CO
                      99.7304%
                      636800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Puckett
      24B-1
                  Puckett
      Land Company
                  11-15-1999
                  556562
                  T7S,
      R97W Sec. 1: SESW
                  Garfield
                  CO
                  99.7304%
                  636800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Puckett
      34A-30D
                  Puckett
      Land Company
                  11-15-1999
                  556562
                  T6S,
      R96W Sec. 30: SWSE
                  Garfield
                  CO
                  99.7304%
                  636800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO,
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Puckett
      #34B-30D
                  Puckett
      Land Company
                  11-15-1999
                  556562
                  T6S,
      R96W Sec. 30: SW4SE4
                  Garfield
                  CO
                  99.7304%
                  636800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSORor ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Puckett
      #34D-30D
                  Puckett
      Land Company
                  11-15-1999
                  556562
                  T6S,
      R96W Sec. 30: SW4SE4
                  Garfield
                  CO
                  99.7304%
                  636800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Puckett
      41-36
                  Puckett
      Land Company
                  11-15-1999
                  556562
                  T6S,
      R97W Sec. 36: NE4NE4
                  Garfield
                  CO
                  99.7304%
                  636800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Puckett
      44A-30D
                  Puckett
      Land Company
                  11-15-1999
                  556562
                  T6S,
      R96W Sec. 30: SE4SE4
                  Garfield
                  CO
                  99.7304%
                  636800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL NAME
                  LESSOR
      or ASSIGNOR
                  LEASEDATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Puckett
      261-36
                  Puckett
      Land Company
                  11-15-1999
                  556562
                  T6S,
      R97W Sec. 36: NW4NE4
                  Garfield
                  CO
                  99.7304%
                  636800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Puckett
      266-1
                  Puckett
      Land Co.
                  11-15-1999
                  556562
                  T7S,
      R97W Sec. 1: NW4SE4
                  Garfield
                  CO
                  31.7304%
                  636800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                    LESSOR
      or ASSIGNOR
                    LEASE
      DATE
                    RECEPTION
      NO.
                    LEGAL
      DESCRIPTION
                    COUNTY
                    STATE
                    ASSIGNED
      INTEREST
                    LEASE
      #Puckett
      275-1
                    Puckett
      Land Company
                    11-15-1999
                    556562
                    T7S,
      R97W Sec. 1: NE4SE4
                    Garfield
                    CO
                    31.7304%
                    636800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Richter
      23-27
                  Anadarko
      E & PCompany. LP and Anadarko Land
      Corp.
                  09-14-2004
                  3243365
                  T7N,
      R64W Sec. 27: NE4SW4
                  Weld
                  CO
                  87.2638%
                  764200
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Richter
      24-27
                  Anadarko
      E & P Company, LP and Anadarko Land Corp.
                  09-14-2004
                  3243365
                  T7N,
      R64W Sec. 27: SE4SW4
                  Weld
                  CO
                  87.2638%
                  764200
  
  EXHIBIT
"A"
 PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Trinity
      33-7
                  Anadarko
      E & P Company, LP and Anadarko Land Corp.
                  10-15-2004
                  3243320
                  T6N,
      R63W Sec, 7: NW4SE4
                  Weld
                  CO
                  87.2638%
                  765300
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSORor ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Trinity
      43-7
                  Anadarko
      E& P Company, LP and
      Anadarko Land Corp.
                  10-15-2004
                  3243320
                  T6N,
      R63W Sec. 7: NESE
                  Weld
                  CO
                  87.2638%
                  765300
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Trinity
      44-7
                  Anadarko
      E & P Company, LP and Anadarko Land Corp.
                  10-15-2004
                  3243320
                  TON,
      R63W Sec. 7: SE4SE4
                  Weld
                  CO
                  87.2638%
                  765300
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Wells
      Ranch #11-34
                  Wells
      Ranch, Katherine Wells Calve and Francis J. Calve, H/W
                  03-23-1988
                  2136098
                  T6N,
      R63W Sec. 34: NW4NW4
                  Weld
                  CO
                  99.7304%
                  651500
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSORor ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Wells
      Ranch 12-2
                  Wells
      Ranch and Katherine Wells Calve
                  02-20-2004
                  3162341
                  T5N,
      R63W Sec. 2: SW4NW4
                  Weld
                  CO
                  99.7304%
                  687600
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELLNAME
                  LESSOR
      or ASSIGNOR
                  LEASEDATE
                  RECEPTION
      NO,
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Wells
      Ranch #12-34
                  Wells
      Ranch, Katherine Wells Calve and Francis J. Calve, H/W
                  03-23-1988
                  2136098
                  T6N,
      R63W Sec. 34: SW4NW4
                  Weld
                  CO
                  99.7304%
                  651500
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Wells
      Ranch 13-15
                  Anadarko
      E & P Company, LP and Anadarko Land Corp.
                  10-07-2004
                  3243367
                  T6N,
      R63W Sec. 15: NW4SW4
                  Weld
                  CO
                  87.2638%
                  765800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTIONNO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Wells
      Ranch #13-27
                  Anadarko
      E &P
      Company, LP and
                    Anadarko
      Land Corp.
                  08-18-2004
                  3258642
                  T6N,
      R63W Sec. 27: NW4SW4
                  Weld
                  CO
                  87.2638%
                  760600
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Wells
      Ranch 14-20
                  Steven
      T. Wells and TheresaI.Wells,
      H&W and
      Katherine Wells Calve
                  11-14-2003
                  3144988
                  T6N,
      R63W Sec. 20: SW4SW4
                  Weld
                  CO
                  99.7304%
                  731500
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSORor ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Wells
      Ranch 23-2
                  Welts
      Ranch and Katherine Wells Calve
                  02-20-2004
                  3162340
                  T5N,
      R63W Sec. 2: NE4SW4
                  Weld
                  CO
                  99.7304%
                  687600
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Wells
      Ranch 23-15
                  Anadarko
      E & PCompany, LP and Anadarko Land Corp.
                  10-07-2004
                  3243367
                  T6N,
      R63W Sec. 15: NE4SW4
                  Weld
                  CO
                  87.2638%
                  765800
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Wells
      Ranch 23-20
                  Steven
      T. Wells, Theresa L Wells H&W, and Katherine Wells
    Calve
                  11-14-2003
                  3144988
                  T6N,
      R63W Sec. 20: NE4SW4
                  Weld
                  CO
                  99.7304%
                  731500
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSORor ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      #Wells
      Ranch #24-27
                  Anadarko
      E & P Company, LP and
                    Anadarko
      Land Corp.
                  08-18-2004
                  3258642
                  T6N,
      R63W Sec. 27: SE4SW4
                  Weld
                  CO
                  87.2638%
                  760600
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                  LESSOR
      or ASSIGNOR
                  LEASE
      DATE
                  RECEPTION
      NO.
                  LEGAL
      DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
      INTEREST
                  LEASE
      NO.Wells
      Ranch #31-34
                  Wells
      Ranch, Katherine Wells Calve and Francis J. Calve, HAW
                  03-23-1988
                  2136098
                  T6N,
      R63W Sec. 34: NW4NE4
                  Weld
                  CO
                  99.7304%
                  651500
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELL
      NAME
                            LESSORor ASSIGNOR
                            LEASE
      DATE
                            RECEPTION
      NO.
                            LEGAL
      DESCRIPTION
                            COUNTY
                            STATE
                            ASSIGNED
      INTEREST
                            LEASE
      #Wells
      Ranch 43-30
                            William
      W. Carpenter
                            02-02-2004
                            3163797
                            T6N,
      R63W Sec. 30: NE4SE4
                            Weld
                            CO
                            99.7304%
                            737900Ward
      Carpenter
                            02-02-2004
                            3184272
                            T6N,
      R63W, Sec. 30: POE2E2
                            
                            
                            
                            757900
  
  EXHIBIT
"A"
  PDC
2005A LIMITED PARTNERSHIP
 
 WELLNAME
                            LESSOR
      or ASSIGNOR
                            LEASE
      DATE
                            RECEPTION
      NO.
                            LEGAL
      DESCRIPTION
                            COUNTY
                            STATE
                            ASSIGNED
      INTEREST
                            LEASE
      #Wells
      Ranch 44-30
                            William
      W. Carpenter
                            02-02-2004
                            3163797
                            T6N,
      R63W Sec. 30; SE4SE4
                            Weld
                            CO
                            99.7304%
                            737900Ward
      Carpenter
                            02-02-2004
                            3184272
                            T6N,
      R63W, Sec. 30: POE2E2
                            
                            
                            
                            757900