Exhibit 10.2




 

 

Chevron #22-8D
Lease No. 687400

 


ASSIGNMENT OF WORKING INTEREST

 

This Assignment made this
1st day of April 2003 from PETROLEUM DEVELOPMENT CORPORATION, a Nevada Corporation, (herein called "Assignor") to
PDC 2003-B, 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 "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 comrnunitization 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.

 










 











Chevron #22-80

Lease No. 687400

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.
 


 










 












AMENDMENT TO
ASSIGNMENT OF WORKING INTEREST

THIS AMENDMENT TO
ASSIGNMENT OF WORKING INTEREST is made February 13, 2006 between Petroleum
Development Corporation, a Nevada corporation, and PDC 2003-B Limited
Partnership, a West Virginia limited partnership whose address is P. O. Box 26, Bridgeport, West
Virginia 26330.

1. Background. By this instrument, the parties
correct and amend the Assignment of Working Interest (the "Original
Assignment"), dated April 1, 2003 and recorded as Instrument No.
649056 in the real property records of Garfield County, Colorado.

      2. Amendment. Petroleum Development
..Corporation and PDC 2003-B Limited Partnership hereby amend the Original ,Assignment by deleting in its entirety the Exhibit
A that is attached to the Original
Assignment and replacing it with the Exhibit A that is attached to this instrument.
All other provisions of the Original Assignment are unchanged.

3. Effective Date. The parties intend that
this amendment be deemed effective at the effective date of the Original
Assignment, just as if the Exhibit A that is attached to this instrument
had originally been attached to the Original Assignment.

IN WITNESS WHEREOF,
this instrument has been executed by the parties.
 


 


 










 











 

EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	LEASE NO.
	
		Chevron 22-8D	
		Chevron USA, Inc.	
		11-02-2002	
		623085	
		T6S, R96W, Sec. 8:SE4NW4	
		Garfield	
		Colorado	
		0.1482	687400


 

 

 



 










 











EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	LEASE NO.
	
		Puckett 257-1	
		Puckett Land Company	
		11-15-1999	
		556562/1164	
		T7S, R97W Sec. 1:SW4SE4	
		Garfield	
		Colorado	
		0.9982	636800


 

 

 

 










 











EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	LEASE NO.
	
		Puckett 255-1	
		Puckett Land Company	
		11-15-1999	
		556562/1164	
		T7S, R97W Sec. 1:NWSE	
		Garfield	
		Colorado	
		0.9982	636800


 

 

 

 

 










 











EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	LEASE NO.
	Chevron 12-8D	Monson Bros. Company	11-02-2002	623085	T6S, R96W 

		Sec.8:Lots
		1,3,4,5,7,8,13,14,15	Weld	Colorado	0.9982	687400


 

 

 

 

 










 











EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	LEASE NO.
	Chevron 13-7D	Chevron USA, Inc.	11-15-2002	623086	T6S,R96W, Sec. 7: NWSW	Garfield	Colorado	0.9982	691300


 

 

 

 

 










 











ASSIGNMENT
OF WORKING INTEREST


This Assignment made this 1st day of  September 2003 from PETROLEUM DEVELOPMENT CORPORATION, a Nevada
Corporation, (herein called "Assignor") to PDC
2003-B, 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 "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.

 

 










 














 

 

 










 









AMENDMENT TO 

ASSIGNMENT OF WORKING INTEREST

 



THIS AMENDMENT TO
ASSIGNMENT OF WORKING INTEREST is made February
9, 2006 between Petroleum Development Corporation, a Nevada corporation, and PDC 2003-B Limited Partnership, a West Virginia limited partnership whose
address is P. 0. Box 26, Bridgeport, West
Virginia .26330.

1. 
Background.  By this instrument, the parties correct and amend the
Assignment of Working Interest (the "Original Assignment"), dated September 1,
2003 and recorded as Instrument No. 3142449 in the real property records of Weld
County, Colorado.

2.  Amendment. 
Petroleum Development Corporation and PDC 2003-B Limited Partnership hereby
amend the Original Assignment by deleting in its entirety the Exhibit A that is
attached to the Original Assignment and replacing it with the Exhibit A that is
attached to this instrument.  All other provisions of the Original
Assignment are unchanged.

3.  Effective
Date.  The parties intend that this amendment be deemed effective at the
effective date of the Original Assignment, just as if the Exhibit A that is
attached to this instrument had originally been attached to the Original
Assignment.

IN WITNESS WHEREOF, this instrument has been
executed by the parties.

 




 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	LEASE NO.
	State Peterson 14-16	State of Colorado	08-13-1988	2153525	T5N, R63W Sec 16: SW4SW4	Weld	Colorado	0.873425	683700


 

 

 

 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	J & L Farms 32-29D	J & L Farms	03-23-1988	2136094/1190	T6N, R63W Sec. 29: NW4NE4	Weld	Colorado	0.873425	690400


 

 

 

 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	Uhrich 43-8	Harold R. Uhrich Co.	11-23-1981	1884446/962	T6N, R64W Sec. 8: NE4SE4	Weld	Colorado	0.873425	696900


 

 

 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	State Peterson 13-16	State of Colorado	06-18-1980	2153525/1207	T5N, R63W Sec. 16: NW4SW4	Weld	Colorado	0.873425	683700


 

 

 

 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	State Peterson 23-16	State of Colorado	06-18-1980	2153525/1207	T5N, R63W Sec. 16: NE4SW4	Weld	Colorado	0.873425	683700


 

 

 

 

 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	McIntosh 43-23	Union Pacific Resources
		Co.	03-31-1990	2225869/1275	T6N, R64W Sec. 23: NE4SE4	Weld	Colorado	0.873425	696800


 

 

 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	J & L Farms 12-29	J & L Farms	03-23-1988	2215140/1265	T6N, R63W Sec. 29: SW4NW4	Weld	Colorado	0.873425	690300


 

 

 

 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	State Peterson 32-16	State of Colorado	08-13-1988	2153525	T5N, R63W Sec. 16: SWNE	Weld	Colorado	0.873425	680900


 

 

 










 









 

EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	McIntosh 44-23	Union Pacific Resources	03-31-1990	2225869/1275	T6N, R64W Sec 23: SESE	Weld	Colorado	0.873425	696800


 

 

 

 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	Wells Ranch
		14-1	Anadarko B &
		P Co. 

		and 

		Anadarko Land Corp.	10-03-2003	3230201	T5N, R63W
		Sec1: SWSW	Weld	Colorado	0.79856	691000


 

 

 

 

 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	State
		Peterson 31-16	State of
		Colorado	08-13-1988	2153525	T5N, R63W
		Sec. 16: NW4NE4	Weld	Colorado	0.873425	680900


 

 

 

 

 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	J & L Farms
		21-29	J & L Farms	03-23-1988	2136094/1190	T6N, R63W Sec
		29: NENW	Weld	Colorado	0.873425	690300


 

 

 

 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	State Lease
		81 #24-16	State of
		Colorado	09-25-1989	2202580	T6N, R64W
		Sec. 16 SESW	Weld	Colorado	0.873425	681700


 

 

 

 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	
		Monson 13-20	Monson Bros.
		Company	01-10-2003	3027312	
		T6N, R65W Sec. 20: NW4SW4	
		Weld	
		Colorado	
		0.9982	691600
	USA	05-01-2003	3173822	734100


 

 

 

 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	State 8461
		#12-16	State of
		Colorado	06-01-1981	2153652	T6N, R64W
		Sec. 16:SW4NW4	Weld	Colorado	0.873425	699100


 

 

 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	Monson 23-20	Monson Bros.
		Company	11-10-2003	3027312	T6N, R65W
		Sec. 20:NESW	Weld	Colorado	0.9982	691600


 

 

 

 

 










 









EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	
		Kreps Trust 44-6	David Kreps,
		Jr.	10-29-2000	2803092	
		T6N, R64W Sec. 6:SE4	
		Weld	
		Colorado	
		0.9982	658600
	Elmer C.
		Rossman	10-24-2000	2803089	658900
	Alfred J.
		Greenwalt, et ux	11-06-2000	2808947	659800
	Dorothy R.
		Hoff	10-27-2000	2803090	658800
	Marion Forbes	10-25-2000	2803091	658700


 

 

 










 









 

EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	
		Kreps Trust 34-6	David Kreps,
		Jr.	10-29-2000	2803092	
		T6N, R64W Sec. 6:SE4	
		Weld	
		Colorado	
		0.9982	658600
	Elmer C.
		Rossman	10-24-2000	2803089	658900
	Alfred J.
		Greenwalt, et ux	11-06-2000	2808947	659800
	Dorothy R.
		Hoff	10-27-2000	2803090	658800
	Marion Forbes	10-25-2000	2803091	658700


 

 

 










 









 

EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	Webster 42-11	Anadarko E &
		P Co.

		and

		Anadarko Land Corp.	12-27-2002	3243364	T6N, R65W,
		Sec. 11: SENE	Weld	Colorado	0.9982	688300


 

 

 




 









 

EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	Webster 41-11	Anadarko E &
		P Co.

		and

		Anadarko Land Corp.	12-27-2002	3243364	T6N, R65W,
		Sec. 11: NE4NE4	Weld	Colorado	0.9982	688300


 

 

 

 

 




 









 

EXHIBIT "A"

AMENDMENT TO ASSIGNMENT OF WORKING INTEREST

PDC 2003-B LIMITED PARTNERSHIP

 

	
		WELL NAME	
		LESSOR OR ASSIGNOR	
		LEASE DATE	
		RECEPTION NO.

		BOOK/PAGE	
		LEGAL DESCRIPTION	
		COUNTY	
		STATE	
		ASSIGNED 

		INTEREST	
		LEASE NO.
	J & L Farms
		11-29	J & L Farms	03-23-1988	2136094/1190	T6N, R63W Sec
		29: NWNW	Weld	Colorado	0.873425	690300