exv10w11








    Exhibit
    10.11



 




    Base
    Contract for Sale and Purchase of Natural Gas



 



    This Base Contract is entered into as of the following date:
    November 1, 2007. The parties to this Base Contract are the
    following:



 


	 	 	 	 	 
	

    Ultra Resources, Inc. 


	
 
	
    and
	
 
	
    NICOR ENERCHANGE, LLC

	

    363 N. Sam Houston Pkwy, E., Suite 1200, Houston,
    TX 77060


	
 
	
 
	
 
	
    3333 WARRENVILLE RD, SUITE 630, LISLE, IL 60532

	

    Duns Number:
    07-110-9974 


	
 
	
 
	
 
	
    Duns Number: 05-370-8124

	

    Contract
    Number: ­
    ­


	
 
	
 
	
 
	
    Contract Number:
    ­
    ­

	

    U.S. Federal Tax ID Number:
    83-0320643


	
 
	
 
	
 
	
    U.S. Federal Tax ID Number: 76-0481753

	

    Notices:


	
 
	
 
	
 
	
 

	

    363 N. Sam Houston Pkwy, E., Suite 1200, Houston,
    TX 77060


	
 
	
 
	
 
	
    Nicor Enerchange, LLC

	

    Attn: Gas Marketing


	
 
	
 
	
 
	
    Attn: Contract Administration

	

    Phone:
    281.876.0120          Fax:
    281.876.2831


	
 
	
 
	
 
	
    Phone:
    630-245-7833          Fax: 630-245-7839

	

    Confirmations:


	
 
	
 
	
 
	
 

	

    Same as Above


	
 
	
 
	
 
	
    Nicor Enerchange, LLC

	

    Attn ­
    ­


	
 
	
 
	
 
	
    Attn: Accounting Dept.

	

    Phone
    ­
    ­          Fax: ­
    ­


	
 
	
 
	
 
	
    Phone:
    630-245-7843          Fax:
    630-245-7839

	

    Invoices and Payments:


	
 
	
 
	
 
	
 

	

    Same as Above


	
 
	
 
	
 
	
    Nicor Enerchange, LLC

	

    Attn: ­
    ­


	
 
	
 
	
 
	
    Attn: Accounting Dept.

	
    

    

	
 
	
 
	
 
	
    3333 Warrenville Rd. Suite 630, Lisle, IL 60532

	

    Phone: ­
    ­          Fax: ­
    ­


	
 
	
 
	
 
	
    Phone:
    630-245-7843          Fax:
    630-245-7839

	

    Wire Transfer or ACH Numbers (if applicable):


	
 
	
 
	
 
	
 

	

    BANK:
    ­
    ­


	
 
	
 
	
 
	
    BANK:
    ­
    ­

	

    ABA:
    ­
    ­


	
 
	
 
	
 
	
    ABA:
    ­
    ­

	

    ACCT:
    ­
    ­


	
 
	
 
	
 
	
    ACCT:
    ­
    ­

	

    Other
    Details: ­
    ­


	
 
	
 
	
 
	
    Other
    Details: ­
    ­









 



    This Base Contract incorporates by reference for all purposes
    the General Terms and Conditions for Sale and Purchase of
    Natural Gas published by the North American Energy Standards
    Board. The parties hereby agree to the following provisions
    offered in said General Terms and Conditions. In the event the
    parties fail to check a box, the specified default provision
    shall apply. Select only one box from each section:



 


	 	 	 	 	 	 	 	 	 	 	 
	

    Section 1.2


	
 
	
    X
	
 
	
    Oral (default)
	
 
	
    Section 7.2
	
 
	
    X
	
 
	
    25th

    Day of Month following

	

    Transaction


	
 
	
    o
    
	
 
	
    Written
	
 
	
    Payment Date
	
 
	
 
	
 
	
    Month of delivery (default)

	

    Procedure


	
 
	
 
	
 
	
 
	
 
	
 
	
 
	
    o
    
	
 
	

      Day of Month following Month of delivery



	

    Section 2.5


	
 
	
    X
	
 
	
    2 Business Days after receipt (default)
	
 
	
    Section 7.2
	
 
	
    X
	
 
	
    Wire transfer (default)

	

    Confirm


	
 
	
    o
    
	
 
	
      Business Days after receipt
	
 
	
    Method of
	
 
	
    X
	
 
	
    Automated Clearinghouse Credit (ACH)

	

    Deadline


	
 
	
 
	
 
	
 
	
 
	
    Payment
	
 
	
    o
    
	
 
	
    Check

	

    Section 2.6


	
 
	
    o
    
	
 
	
    Seller (default)
	
 
	
    Section 7.7
	
 
	
    X
	
 
	
    Netting applies (default)

	

    Confirming


	
 
	
    o
    
	
 
	
    Buyer
	
 
	
    Netting
	
 
	
    o
    
	
 
	
    Netting does not apply

	

    Party


	
 
	
    X
	
 
	
    Nicor Enerchange
	
 
	
 
	
 
	
 
	
 
	
 

	
    Section 3.2
	
 
	
    o
    
	
 
	
    Cover Standard (default)
	
 
	
    Section 10.3.1
	
 
	
    X
	
 
	
    Early Termination Damages Apply (default)

	

    Performance


	
 
	
    X
	
 
	
    Spot Price Standard
	
 
	
    Early Termination
	
 
	
    o
    
	
 
	
    Early Termination Damages Do Not Apply

	

    Obligation


	
 
	
 
	
 
	
 
	
 
	
    Damages
	
 
	
 
	
 
	
 

	
 
	
 
	
 
	
 
	
 
	
 
	
    Section 10.3.2
	
 
	
    X
	
 
	
    Other Agreement Setoffs Apply (default)

	

    Note: The following Spot Price Publication applies to both
    of the immediately preceding.


	
 
	
    Other Agreement Setoffs
	
 
	
    o
    
	
 
	
    Other Agreement Setoffs Do Not Apply

	

    Section 2.26


	
 
	
    X
	
 
	
    Gas Daily Midpoint (default)
	
 
	
    Section 14.5
	
 
	
 
	
 
	
 

	
    Spot Price

    Publication
	
 
	
    o
    
	
 
	
    

    

	
 
	
    Choice Of Law
	
 
	
 
	
 
	
    ILLINOIS

	

    Section 6


	
 
	
    X
	
 
	
    Buyer Pays At and After Delivery
	
 
	
    Section 14.10
	
 
	
    X
	
 
	
    Confidentiality applies (default)

	

    Taxes


	
 
	
 
	
 
	
    Point (default)
	
 
	
    Confidentiality
	
 
	
    o
    
	
 
	
    Confidentiality does not apply

	
 
	
 
	
    o
    
	
 
	
    Seller Pays Before and At Delivery Point
	
 
	
 
	
 
	
 
	
 
	
 

	

    X Special Provisions Number of sheets attached: 3


	
 
	
 
	
 
	
 
	
 
	
 

	

    oAddendum(s): ­
    ­











 



    IN WITNESS WHEREOF, the parties hereto have executed this Base
    Contract in duplicate.



 


	 	 	 
	

    ULTRA RESOURCES, INC


	
 
	
    NICOR ENERCHANGE, LLC

	
    

	
 
	
    


	

    Party Name


	
 
	
    Party Name 









 


	 	 	 
	

    By -s- Stuart E. Nance

    




	
 
	

    By -s- Steve Cittadine

    





	

    Name: Stuart E. Nance


	
 
	
    Name: Steve Cittadine

	

    Title: Vice President


	
 
	
    Title: President









 





		
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    ©

    2002 North American Energy Standards Board, Inc.
    	    
    NAESB Standard 6.3.1
    



		
	    All
    Rights Reserved
    	    
    April 19, 2002