October 6, 2005

Mr. Leroy Halterman, President
Brinx Resources, Ltd.
820 Piedra Vista Road, N.E.
Albuquerque, NM 87123-1954

                                       RE:      LETTER AGREEMENT
                                                Vector Exploration, Inc.
                                                Three Sands Prospect
                                                Noble County, Oklahoma

Dear Lee:

This LETTER AGREEMENT shall set forth the terms and conditions for your
participation in the Vector Exploration, Inc. ("VE") Three Sands Prospect
located in Noble, County, Oklahoma. Specifically, you agree to participate with
a 40% Working Interest, subject to the following:

1).      You agree to purchase an undivided 40% Working Interest in the VE Three
         Sands Prospect for a total Buy-In Cost of $88,000 ($220,000 x .40)
         which is your proportionate share.

2).      All future leasehold costs shall be billed to the Joint Account at
         $250/acre at a 78% net revenue basis.

3).      Your Buy-In Cost includes all leasehold acquired (880 net acres)
         together with any limitations, whether force pooled or leased, and all
         prospect fees, geologic fees and brokerage expenses associated with the
         Three Sands Prospect. The purchase of any geophysical information, the
         geophysical interpretation and associated expenses thereof; and the
         normal administrative overhead for each well drilled in the Three Sands
         Prospect area shall not be included in the Buy-In Cost.

4).      You agree to pay your Buy-In Cost upon the execution of this LETTER
         AGREEMENT, as well as your proportionate share of the estimated costs
         to casing point for:

           Drilling:    Kodesh #1-3                            Disposal Well
           Drilling:    Kodesh #2-3                            Production Well
           Re-Entry:    Smithheisler (Flying Double SS Lease)  Production Well

5).      You agree to participate in the Drilling Operations (to casing point)
         in the wells as specified in Item #3, Kodesh #1, with your interest,
         bearing your proportionate share of a 25% carried Working Interest in
         all of these operations. The carried working interest in the Kodesh #1
         disposal well shall be to casing point and the Smithheisler is to
         include intangible workover/completion costs. All future costs shall be
         billed to the Joint Account on a "heads up" basis. Your Before Casing
         Point Interest "BCP" shall be 50% and your After Casing Point Interest
         "ACP" shall be 40%. This carried Working Interest shall only apply to
         the two wells mentioned above and to the first new drill disposal or
         production well or re-entry on each 160 acre tract of land. Wells on
         additional leases taken will not be subject to the carried interest but
         will be subject to the $250 per acre acquisition cost. In any event the
         carried interest shall not exceed five (5) total wells.

6).      Your Net Revenue Interest Lease "NRI" in the VE Three Sands Prospect
         shall be 78%.




7).      You acknowledge and understand that some of these Prospects maybe
         Forced Pooled under Oklahoma law and as such, the various Respondents
         have the right to participate in any well. Should any Respondents elect
         to participate, then your participation interest shall be
         proportionately reduced in the spacing unit. Your costs in the project
         will also be proportionately reduced respectively.

8).      Should you agree to participate in any completion attempt in any well
         drilled in the VE Three Sands Prospect, you agree to immediately
         forward your proportionate share of the Estimated Completion Costs,
         upon receipt of invoice, to Vector Exploration, Inc.

9).      You agree to become a signatory to a mutually agreeable Joint Operating
         Agreement "JOA" consistent with industry standards (enclosed).

10).     You acknowledge that you are a sophisticated & accredited investor and
         fully understand the inherent risks associated with oil & gas
         investing. Further, you acknowledge that no Return on Investment or
         Rate of Return has been guaranteed or promised, and, in fact, accept
         the possibility that you could lose 100% of your investment in this
         program.

Should you agree with these terms and conditions expressed herein, please
execute this LETTER AGREEMENT in the space provided below.

Sincerely,

/s/ KENNETH HEDRICK

Kenneth Hedrick
President

Enclosure

Agreed and accepted this 6th day of October, 2005

WI OWNER: BRINX RESOURCES LTD.              Signature: /s/ LEROY HALTERMAN
         -----------------------------                --------------------------

By: Leroy Halterman                         Date: 10/6/05
   -----------------------------------           -------------------------------
   Name and Title
   President