Exhibit
10.2
  Barrell
42-4
 Lease
No. 759200
  ASSIGNMENT
OF WORKING INTEREST
  
 This
Assignment made this 4th day of August 2005 from PETROLEUM DEVELOPMENT
CORPORATION, a Nevada Corporation, (herein called "Assignor") to PDC 2005B,
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 inrespect 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 "wellbore assignment."
Assignee shall be entitled to receive that share of production from the well
identified in Exhibit A which is attributable to the 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 sales,
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 manner set
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.
  
  Barrell
42-4
 Lease
No. 759200
 
 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 CORPORATIONA
      Nevada CorporationBY:
                /s/
      William D. GainorWilliam
      D. GainorLand
      Manager
 
 STATE
      OF WEST VIRGINIA
                ))
                TO-WIT:COUNTY
      OF HARRISON
                )
 
 The
foregoing instrument was acknowledged before me this 18th day of
August 2005 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 VirginiaOFFICIAL
      SEAL
                            
                            County
      of HarrisonNotary Public, Stateof West Virginia
                            
                            My
      Commission expires: June 2, 2009RITA
      A. CLARKPetroleum
      Development Corporation103
      East Main Street, Box 26Bridgeport,
      WV 26330My
      commission expiresJune 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
2005B LIMITED PARTNERSHIP
 
 WELL
                        NAME
                      LESSOR
      or
                        ASSIGNOR
                      LEASE
                        DATE
                      RECEPTION
      NO.
                      LEGAL
      DESCRIPTION
                      COUNTY
                      STATE
                      ASSIGNED
      INTEREST
                      LEASE#Barrell
      42-4
                      David
      A. Barrell
                      05-27-2004
                      3192850
                      T6N,
      R64W, Sec. 4: SE4NE4
                      Weld
                      CO
                      99.6446%
                      759200Louise
      J. Todd
                      05-27-2004
                      3195097
                      T6N,
      R64W, Sec. 4: E2NE4
                      
                      
                      
                      760000Margaret
      K. Look
                      06-02-2004
                      3201749
                      T6N,
      R64W, Sec. 4: E2NE4
                      
                      
                      
                      761000Warren
      L. Look
                      09-01-2004
                      3228250
                      T6N,
      R64W, Sec. 4: E2NE4
                      
                      
                      
                      773300Northern
      Trust Bank of Florida, N.A, Trustee of the J. Logan Look Irrevocable
      TrustFBO
      Linda Eastman
                      09-01-2004
                      3228244
                      T6N,
      R64W, Sec. 4: E2NE4
                      
                      
                      
                      773200
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                          NAME
                        LESSOR
      or
                          ASSIGNOR
                        LEASE
                          DATE
                        RECEPTION
      NO.
                        LEGAL
                          DESCRIPTION
                        COUNTY
                        STATE
                        ASSIGNED
                          INTEREST
                        LEASE
      #Cervi
      14-24
                        Hobe
      Minerals LLC
                        11-23-2004
                        3242543
                        T4N,
      R63W
                          Sec.
      24: SW4SW4
                        Weld
                        CO
                        99.6446%
                        800800
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                    NAME
                  LESSORor
                    ASSIGNOR
                  LEASE
                    DATE
                  RECEPTION
      NO.
                  LEGAL
                    DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
                    INTEREST
                  LEASE
      #Cervi
      24-24
                  Hobe
      Minerals, LLC
                  11-23-2004
                  3242543
                  T4N,
      R63W
                    Sec.
      24: SE4NW4
                  Weld
                  CO
                  99.6446%
                  800800
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                    NAME
                  LESSOR
      or
                    ASSIGNOR
                  LEASE
                    DATE
                  RECEPTION
      NO.
                  LEGAL
                    DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
                    INTEREST
                  LEASE
      8Cervi
      31-26
                  Hobe
      Minerals, LLC
                  11-23-2004
                  3242543
                  T4N,
      R63W
                    Sec.
      26: NW4NE4
                  Weld
                  CO
                  99.6446%
                  800800
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                    NAME
                  LESSOR
      or
                    ASSIGNOR
                  LEASE
                    DATE
                  RECEPTION
      NO.
                  LEGAL
                    DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
                    INTEREST
                  LEASE
      #Cervi
      41-26
                  Hobe
      Minerals LLC
                  11-23-2004
                  3242543
                  T4N,
      R63W
                    Sec.
      26: NE4NE4
                  Weld
                  CO
                  99.6446%
                  800800
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                    NAME
                  LESSORor
                    ASSIGNOR
                  LEASE
                    DATE
                  RECEPTION
      NO.
                  LEGAL
                    DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
                    INTEREST
                  LEASE
      #Chevron
      12-4
                  Chevron
      Shale Oil Co.
                  09-20-2001
                  623084
                  T6S,
      R96W
                    Sec.
      4: SWNW
                  Garfield
                  CO
                  99.6446%
                  687100
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Clark
      12-27
                Eugene
      W. Clark and Margaret Ann Clark
                09-16-2003
                3135738
                T7N,
      R65W
                  Sec.
      27: SW4NW4
                Weld
                CO
                99.6446%
                730000
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Cornish
      12-3
                Anadarko
      E & P Co., LP and Anadarko Land Corporation
                10-13-2004
                3243322
                T6N,
      R63W
                  Sec.
      3: SW4NW4
                Weld
                CO
                87.1885%
                765500
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE#Cornish
      21-3
                Anadarko
      E & P Company, LP and Anadarko Land Corp.
                10-13-2004
                3243322
                T6N,
      R63W
                  Sec.
      3: NE4NW4
                Weld
                CO
                87.1885%
                765500
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASESCornish
      22-3
                Anadarko
      E & P Company, LP and Anadarko Land Corp.
                10-13-2004
                3243322
                T6N,
      R63W
                  Sec.
      3: SE4NW4
                Weld
                CO
                87.1885%
                765500
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
      DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Dillard
      31-20
                Dillard
      Family, LLC
                09-13-2004
                3228247
                T7N,
      R64W, Sec. 20 NE4NE4
                Weld
                CO
                99.6446%
                772900Mary
      Beth Elizabeth Rivera by her AIF Andrea E. Bauer
                09-13-2004
                3235727
                T7N,
      R64W, Sec. 20 NE4NE4
                
                
                
                777000Gretchen
      Lynne Groves, Webb
                09-13-2004
                3247199
                T7N,
      R64W, Sec. 20 NE4NE4
                
                
                
                778900Jane
      Gwynne Groves
                09-13-2004
                3242744
                T7N,
      R64W, Sec. 20 NE4NE4
                
                
                
                778100Julianne
      Fritz
                09-13-2004
                3233836
                T7N,
      R64W, Sec. 20 NE4NE4
                
                
                
                776400
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
                  NO.
                LEGAL
      DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE#Dillard
      41-20
                Dillard
      Family, LLC
                09-13-2004
                3228247
                T7N,
      R64W, Sec. 20 NE4NE4
                Weld
                CO
                99.6446%
                772900Mary
      Beth Elizabeth Rivera by her AIF Andrea E. Bauer
                09-13-2004
                3235727
                T7N,
      R64W, Sec. 20 NE4NE4
                
                
                
                777000Gretchen
      Lynne Groves Webb
                09-13-2004
                3247199
                T7N,
      R64W, Sec. 20 NE4NE4
                
                
                
                778900Jane
      Gwynne Groves
                09-13-2004
                3242744
                T7N,
      R64W, Sec. 20 NE4NE4
                
                
                
                778100Julianne
      Fritz
                09-13-2004
                3233836
                T7N,
      R64W, Sec. 20 NE4NE4
                
                
                
                776400
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                    NAME
                  LESSORor
                    ASSIGNOR
                  LEASE
                    DATE
                  RECEPTION
      NO.
                  LEGAL
                    DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
                    INTEREST
                  LEASE
      #Erickson
      14-4
                  William
      E. Erickson
                  02-10-2004
                  3173745
                  T6N,
      R64W
                    Sec.
      4: SW4SW4
                  Weld
                  CO
                  99.6446%
                  745900
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSORor
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE#Erickson
      24-4
                William
      E. Erickson
                02-10-2004
                3173745
                T6N,
      R64W
                  Sec.
      4: SE4SW4
                Weld
                CO
                99.6446%
                745900
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Hazen
      21-33
                Gary
      Lynn Hazan and Mary A. Hazen H&W
                08-13-2004
                3217726
                T7N,
      R65W
                  Sec.
      33: NE4NW4
                Weld
                CO
                99.6446%
                767000
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Hazen
      22-33
                Gary
      Lynn Hazen and Mary A. Hazen, H&W
                08-13-2004
                3217726
                T7N,
      R65W
                  Sec.
      33: SE4NW4
                Weld
                CO
                99.6446%
                767000
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Hazen
      23-28
                Gary
      Lynn Hazen and Mary A. Hazen H&W
                09-30-2003
                3232682
                T7N,
      R65W
                  Sec.
      28: NE4SW4
                Weld
                CO
                99.6446%
                730400
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Howard
      Lake 21-9
                Anadarko
      E & P Company, LP and Anadarko Land Corporation
                09-21-2004
                3243321
                T6N,
      R64W
                  Sec.
      9: NE4NW4
                Weld
                CO
                87.1885%
                762100
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE#Howard
      Lake 41-9
                Anadarko
      E & P Company, LP and Anadarko Land Corporation
                09-21-2004
                3243321
                T6N,
      R64W
                  Sec.
      9: NE4NE4
                Weld
                CO
                87.1885%
                762100
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE#Howard
      Lake 42-9
                Anadarko
      E & P Company, LP and Anadarko Land Corporation
                09-21-2004
                3243321
                T6N,
      R64W
                  Sec.
      9: SE4NE4
                Weld
                CO
                87.1885%
                762100
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                    NAME
                  LESSOR
      or
                    ASSIGNOR
                  LEASE
                    DATE
                  RECEPTION
      NO.
                  LEGAL
                    DESCRIPTION
                  COUNTY
                  STATE
                  ASSIGNED
                    INTEREST
                  LEASE#Kolhoff
      23-22
                  Henry
      F.Kolhoff
                  11-22-2004
                  3247201
                  T7N,
      R64W
                    Sec.
      22: NE4SW4
                  Weld
                  CO
                  99.6446%
                  778700
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Kohlhoff
      24-22
                Henry
      F. Kohlhoff
                11-22-2004
                3247201
                T7N,
      R64W
                  Sec.
      22: SE4SW4
                Weld
                CO
                99.6446%
                778700
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Northern
      Property 23-29
                Anadarko
      E & P LP and Anadarko Land Corp
                09-28-2004
                3258643
                T7N,
      R65W
                  Sec.
      29: NE4SW4
                Weld
                CO
                87.1885%
                764100
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Northern
      Property 24-29
                Anadarko
      E & P LP and Anadarko Land Corp
                09-28-2004
                3258643
                T7N,
      R65W
                  Sec.
      29: SE4SW4
                Weld
                CO
                87.1885%
                764100
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                          NAME
                        LESSOR
      or
                          ASSIGNOR
                        LEASE
                          DATE
                        RECEPTION
      NO.
                        LEGAL
      DESCRIPTION
                        COUNTY
                        STATE
                        ASSIGNED
                          INTEREST
                        LEASE
      #Paxton
      11-33
                        Dorothy
      Paxton
                        09-23-2003
                        3135740
                        T7N,
      R65W, Sec. 33: NW4NW4
                        Weld
                        CO
                        99.6446%
                        729700Ronald
      Lee Anderson, et ux
                        12-07-2003
                        3157660
                        T7N,
      R65W, Sec. 33: PO W2NW4
                        
                        
                        
                        735000Carol
      L.Honstein
                        12-07-2003
                        3157661
                        T7N,
      R65W, Sec. 33: PO W2NW4
                        
                        
                        
                        735100Joyce
      E. Heimbickner
                        12-07-2003
                        3163798
                        T7N,
      R65W, Sea 33: PO W2NW4
                        
                        
                        
                        738000Darrell
      W. Anderson, et ux
                        12-07-2003
                        3157664
                        T7N,
      R65W, Sec. 33: PO W2NW4
                        
                        
                        
                        735400Richard
      A Bloom, et ux
                        12-07-2003
                        3157662
                        T7N,
      R65W, Sec. 33: PO W2NW4
                        
                        
                        
                        735200Earl
      C.Bowlsby,
      et ux
                        12-07-2003
                        3157663
                        T7N,
      R65W, Sec. 33: PO W2NW4
                        
                        
                        
                        735300Janice
      E. (Anderson) Glines
                        12-07-2003
                        3157665
                        T7N,
      R65W, Sec. 33: PO W2NW4
                        
                        
                        
                        735500Heather
      L.Anthony
                        12-07-2003
                        3157666
                        T7N,
      R65W, Sec. 33: PO W2NW4
                        
                        
                        
                        735600
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                      NAME
                    LESSOR
      or
                      ASSIGNOR
                    LEASE
                      DATE
                    RECEPTION
                      NO.
                    LEGAL
      DESCRIPTION
                    COUNTY
                    STATE
                    ASSIGNED
                      INTEREST
                    LEASE
      #Paxton
      12-33
                    Dorothy
      Paxton
                    09-23-2003
                    3135740
                    T7N,
      R65W, Sec. 33: SW4NW4
                    Weld
                    CO
                    99.6446%
                    729700Ronald
      Lee Anderson, et ux
                    12-07-2003
                    3157660
                    T7N,
      R65W, Sec. 33: POW2NW4
                    
                    
                    
                    735000Carol
      L. Honstein
                    12-07-2003
                    3157661
                    T7N,
      R65W, Sec. 33: PO W2NW4
                    
                    
                    
                    735100Joyce
      E. Heimbickner
                    12-07-2003
                    3163798
                    T7N,
      R65W, Sec. 33: PO W2NW4
                    
                    
                    
                    738000Darrell
      W. Anderson, et ux
                    12-07-2003
                    3157664
                    T7N,
      R65W, Sec. 33: PO W2NW4
                    
                    
                    
                    735400Richard
      A. Bloom, et ux
                    12-07-2003
                    3157662
                    T7N,
      R65W, Sec. 33: POW2NW4
                    
                    
                    
                    735200Earl
      C. Bowlsby, et ux
                    12-07-2003
                    3157663
                    T7N,
      R65W, Sec. 33: PO W2NW4
                    
                    
                    
                    735300Janice
      E. (Anderson) Glines
                    12-07-2003
                    3157665
                    T7N,
      R65W, Sec. 33: PO W2NW4
                    
                    
                    
                    735500Heather
      L.Anthony
                    12-07-2003
                    3157666
                    T7N,
      R65W, Sec. 33: PO W2NW4
                    
                    
                    
                    735600
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Puckett
      11C-7
                Puckett
      Land Company
                11-15-1999
                556562
                T7S,
      R96W
                  Sec.
      7: NWNW
                Garfield
                CO
                99.6446%
                636800
  
  EXHIBIT
"A"
 PDC
2005B 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
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Puckett
      13C-13D
                Puckett
      Land Company
                11-15-1999
                556562
                T6S,
      R96W
                  Sec.
      31: NESW
                Garfield
                CO
                69.6446%
                636800
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Puckett
      24B-6
                Puckett
      Land Company
                11-15-1999
                556562
                T7S,
      R96W
                  Sec.
      6: SESW
                Garfield
                CO
                80.0000%
                636800
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Puckett
      234-25
                Puckett
      LandCo.
                11-15-1999
                556562
                T6S,
      R97W
                  Sec.
      25: SENW
                Garfield
                CO
                99.6446%
                636800
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Puckett
      245-1
                Puckett
      Land Company
                11-15-1999
                556562
                T7S,
      R97W
                  Sec.
      1: SENW
                Garfield
                CO
                99.6446%
                636800
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Puckett
      247-25
                Puckett
      LandCo.
                11-15-1999
                556562
                T6S,
      R97W
                  Sec.
      25: SESW
                Garfield
                CO
                99.6446%
                636800
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Puckett
      251-25
                Puckett
      Land Co.
                11-15-1999
                556562
                T6S,
      R97W
                  Sec.
      25: SW4NE4
                Garfield
                CO
                99.6446%
                636800
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Puckett
      264-1
                Puckett
      Land Company
                11-15-1999
                556562
                T7S,
      R97W
                  Sec.
      1: SW4NE4
                Garfield
                CO
                99.6446%
                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
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Ruff
      22-3
                Anadarko
      E & P Company, LP and Anadarko Land Corp.
                08-26-2004
                3243366
                T6N,
      R64W
                  Sec.
      3: SE4NW4
                Weld
                CO
                87.1885%
                762200
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      Or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
      DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Schmerge
      33-4
                Tom
      Schmerge
                  Elisabeth
      Schmerge
                05-09-2005
                3297661
                T5N,
      R67W, Sec. 4: NW4SE4
                Weld
                CO
                99.6446%
                801800Diane
      Bette Lapp
                12-17-2004
                3280314
                
                
                
                
                799300Georqe
      Lapp
                12-10-2004
                3264224
                
                
                
                
                779800Henry
      Lapp, Jr.
                01-11-2005
                3260399
                
                
                
                
                780100Jack
      J. Lapp
                12-10-2004
                3252935
                
                
                
                
                779600Leland
      Lapp
                12-10-2004
                3264226
                
                
                
                
                779700Dewey
      R. Holland
                12-10-2004
                3260400
                
                
                
                
                780200Jesse
      L. Holland, et ux
                12-17-2004
                3275988
                
                
                
                
                780000Mary
      Jane Duncan
                09-19-2005
                3324226
                
                
                
                
                802500Anthony
      A. Holland
                11-07-2005
                3338286Holland
      Revocable Living Trust
                11-07-2005
                3338287
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
      DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Schmerge
      34-4
                Tom
      Schmerge
                  Elisabeth
      Schmerge
                05-09-2005
                3297661
                T5N,
      R67W, Sec. 4: SW4SE4
                Weld
                CO
                99.6446%
                801800Diane
      Bette Lapp
                12-17-2004
                3280314
                
                
                
                
                799300George
      Lapp
                12-10-2004
                3264224
                
                
                
                
                779800Henry
      Lapp, Jr.
                01-11-2005
                3260399
                
                
                
                
                780100Jack
      J. Lapp
                12-10-2004
                3252935
                
                
                
                
                779600Leland
      Lapp
                12-10-2004
                3264226
                
                
                
                
                779700Dewey
      R. Holland
                12-10-2004
                3260400
                
                
                
                
                780200Jesse
      L. Holland, et ux
                12-17-2004
                3275988
                
                
                
                
                780000Mary
      Jane Duncan
                09-19-2005
                3324226
                
                
                
                
                802500Anthony
      A. Holland
                11-07-2005
                3338266Holland
      Revocable Living Trust
                11-07-2005
                3338287
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
      DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Schmerge
      43-4
                Tom
      Schmerge
                  Elisabeth
      Schmerge
                05-09-2005
                3297661
                T5N,
      R67W, Sec 4: NE4SE4
                Weld
                CO
                99.6446%
                801800Diane
      Bette Lapp
                12-17-2004
                3280314
                
                
                
                
                799300George
      Lapp
                12-10-2004
                3264224
                
                
                
                
                779800Henry
      Lapp. Jr.
                01-11-2005
                3260399
                
                
                
                
                780100Jack
      J. Lapp
                12-10-2004
                3252935
                
                
                
                
                779600Leland
      Lapp
                12-10-2004
                3264226
                
                
                
                
                779700Dewey
      R. Holland
                12-10-2004
                3260400
                
                
                
                
                780200Jesse
      L. Holland, et ux
                12-17-2004
                3275968
                
                
                
                
                780000Mary
      Jane Duncan
                09-19-2005
                3324226
                
                
                
                
                802500Anthony
      A. Holland
                11-07-2005
                3338286Holland
      Revocable Living Trust
                11-07-2005
                3338287
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
      DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Schmerge
      44-4
                Tom
      Schmerge
                  Elisabeth
      Schmerge
                05-09-2005
                3297661
                T5N,
      R67W, Sec. 4: SE4SE4
                Weld
                CO
                99.6446%
                801800Diane
      Bette Lapp
                12-17-2004
                3260314
                
                
                
                
                799300George
      Lapp
                12-10-2004
                3264224
                
                
                
                
                779800Henry
      Lapp, Jr.
                01-11-2005
                3260399
                
                
                
                
                780100Jack
      J. Lapp
                12-10-2004
                3252935
                
                
                
                
                779600Leland
      Lapp
                12-10-2004
                3264226
                
                
                
                
                779700Dewey
      R. Holland
                12-10-2004
                3260400
                
                
                
                
                780200Jesse
      L Holland, et ux
                12-17-2004
                3275988
                
                
                
                
                780000Mary
      Jane Duncan
                09-19-2005
                3324226
                
                
                
                
                802500Anthony
      A. Holland
                11-07-2005
                3338286Holland
      Revocable Living Trust
                11-07-2005
                3338287
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Vega
      11-3
                Anadarko
      E & P Company. LP and Anadarko Land Corp.
                08-26-04
                3243366
                T6N,
      R64W
                  Sec.
      3: NW4NW4
                Weld
                CO
                87.1885%
                762200
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR  or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Wells
      Ranch 21-34
                Wells
      Ranch, Katherine Wells Calve and Francis J. Calve
                03-23-1988
                2136098
                T6N,
      R63W
                  Sec.
      34: NENW
                Weld
                CO
                99.6446%
                651500
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSORor
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Wells
      Ranch 22-34
                Wells
      Ranch, Katherine Wells Calve and Francis J. Calve
                03-23-1988
                2136098
                T6N,
      R63W
                  Sec.
      34: SENW
                Weld
                CO
                99.6446%
                651500
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
      NAME
                LESSOR
      or ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
      DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Wells
      Ranch 23-27
                Anadarko
      E & P Company. LP and Anadarko Land Corporation
                08-18-2004
                3258642
                T6N,
      R63W, Sec. 27; NE4SW4
                Weld
                CO
                87.1885%
                760600
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Wells
      Ranch 24-15
                Anadarko
      E & P Company, LP and Anadarko Land Corporation
                10-07-2004
                3243367
                T6N,
      R63W
                  Sec.
      15: SE4SW4
                Weld
                CO
                87.1885%
                765800
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Wells
      Ranch 33-15
                Anadarko
      E & P Company, LP and Anadarko LandCorporation
                10-07-2004
                3243367
                T6N,
      R63W
                  Sec.
      15; NWSE
                Weld
                CO
                87.1885%
                765800
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Wells
      Ranch 33-27
                Anadarko
      E & P Company, LP and Anadarko Land Corporation
                08-18-2004
                3258642
                T6N,
      R63W
                  Sec.
      27: NW4SE4
                Weld
                CO
                87.1885%
                760600
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Wells
      Ranch 34-15
                Anadarko
      E & P Company, LP and Anadarko Land Corporation
                10-07-2004
                3243367
                T6N,
      R63W
                  Sec.
      15: SW4SE4
                Weld
                CO
                87.1885%
                765800
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Wells
      Ranch 34-27
                Anadarko
      E & P Company, LP and Anadarko Land Corporation
                08-18-2004
                3258642
                T6N,
      R63W
                  Sec.
      27: SW4SE4
                Weld
                CO
                87.1885%
                760600
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Wells
      Ranch 43-15
                Anadarko
      E&P Company, LP and Anadarko Land Corporation
                10-07-2004
                3243367
                T6N,
      R63W
                  Sec.
      15: NESE
                Weld
                CO
                87.1685%
                765800
  
  EXHIBIT
"A"
 PDC
2005B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Wells
      Ranch 43-27
                Anadarko
      E & P Company, LP and Anadarko Land Corporation
                08-18-2004
                3258642
                T6N,
      R63W
                  Sec.
      27: NESE
                Weld
                CO
                87.1885%
                760600
  
  EXHIBIT
"A"
 PDC
2O05B LIMITED PARTNERSHIP
 
 WELL
                  NAME
                LESSOR
      or
                  ASSIGNOR
                LEASE
                  DATE
                RECEPTION
      NO.
                LEGAL
                  DESCRIPTION
                COUNTY
                STATE
                ASSIGNED
                  INTEREST
                LEASE
      #Wells
      Ranch 44-27
                Anadarko
      E & P Company, LP and Anadarko Land Corp.
                08-18-2004
                3258642
                T6N,
      R63W
                  Sec.
      27: SE4SE4
                Weld
                CO
                87.1885%
                760600