Document:

Exhibit 10.1

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                             Dated 10 September 2004

                                  GASCORP, INC
                         (Incorporated in Delaware, USA)

                                       and

                        AUSTRALIAN OIL & GAS CORPORATION
                         (Incorporated in Delaware, USA)

                                       and

                        AUSTRALIS MINING FINANCE PTY LTD
                                (ACN 004 857 489)

                                      with

                           NATIONS NATURAL GAS PTY LTD
                                (ACN 080 165 662)

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                        PRELIMINARY AGREEMENT TO ACQUIRE
                           NATIONS NATURAL GAS PTY LTD

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<PAGE>

THIS PRELIMINARY AGREEMENT is made the 10th September 2004.

BETWEEN

GASCORP, INC of 2480 North Tolemac Way, Prescott,
-------------

Arizona 86305 ("Gascorp"); and

AUSTRALIAN OIL & GAS CORPORATION of 2480 North Tolemac Way, Prescott,
---------------------------------

Arizona 86305 ("AOGC"); and

AUSTRALIS MINING FINANCE PTY LTD of Level 25, 500 Collins Street,
---------------------------------

Melbourne, Victoria 3000 ("Vendor"); and

NATIONS NATURAL GAS PTY LTD of Level 25, 500 Collins Street,
----------------------------

Melbourne, Victoria 3000 ("Nations")

IT IS HEREBY AGREED AS FOLLOWS:

1.   Gascorp agrees to acquire from the Vendor and the Vendor agrees to procure
     the sale of all the outstanding shares of Nations, with the exception of
     100,000 shares held by Alpha Oil & Natural Gas Pty Ltd (Alpha) which is
     intended to become a subsidiary of AOGC.

2.   Upon acquisition, Nation's only asset will be a 30% interest in the permits
     of the National Gas Consortium, (NT/P62, NT/P63, NT/P64 and NT/P65) (the
     Permits) and 100,000 shares in Alpha.

3.   All past and accumulated outstanding liabilities of Nations associated with
     the acquisition, exploration and maintenance of the Permits will be
     maintained by Nations and assumed by Gascorp, such that the transferors of
     shares in Nations shall not at any time be obliged to discharge these
     liabilities.

4.   The shareholders of Nations shall, upon satisfaction of all conditions, be
     entitled to receive 2,100,001 shares of common in AOGC as consideration for
     Nations, which shall be newly issued by AOGC, and divided amongst
     participating Nations shareholders in such proportions as the participating
     Nations shareholders may decide.

5.   Any liabilities of Nations, other than those associated with the Permits,
     shall be dealt with by the shareholders of Nations and discharged to the
     satisfaction of Gascorp.

6.   The transaction is subject to execution of formal documentation,
     satisfactory to Gascorp and the Vendor.

<PAGE>
7.   The formal documentation shall be subject to all necessary regulatory and
     shareholder consents (if any are required).

IN WITNESS WHEREOF the parties hereto have hereunto set their hands the day
first

hereinbefore mentioned.

SIGNED FOR AND ON BEHALF of
------------------------

GASCORP, INC

by authority of the Directors and
in the presence of:                                           /s/ D.B.Hill
                                                              -------------
                                                              D.B.Hill
                                                              Director
/s/ M.A.Muzzin
--------------
M.A.Muzzin
Witness

SIGNED FOR AND ON BEHALF of
-------------------------

AUSTRALIAN OIL & GAS CORPORATION

by authority of the Directors and
in the presence of:                                           /s/ D.B. Hill
                                                              -------------
                                                              D.B.Hill
                                                              Director
/s/ M.A. Muzzin
----------------
M.A.Muzzin
Witness

SIGNED FOR AND ON BEHALF of
-------------------------

AUSTRALIS MINING FINANCE PTY LTD

by authority of the Directors and
in the presence of                                      /s/ E. Geoffrey Albers
                                                        ----------------------
                                                        E.Geoffrey Albers
                                                        Director
/s/ M.A. Muzzin
---------------
M.A.Muzzin
Witness

SIGNED FOR AND ON BEHALF of
-------------------------

NATIONS NATURAL GAS PTY LTD

by authority of the Directors and
in the presence of:                                      /s/ E. Geoffrey Albers
                                                         ----------------------
                                                         E.Geoffrey Albers
                                                         Director
/s/ M.A. Muzzin
---------------
M.A.Muzzin
Witness

<PAGE>Exhibit 10.2

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                               Dated 1st July 2004

                        AUSTRALIAN OIL & GAS CORPORATION
                         (Incorporated in Delaware, USA)

                                       and

                        AUSTRALIS MINING FINANCE PTY LTD
                                (ACN 004 857 489)

                                      with

                         ALPHA OIL & NATURAL GAS PTY LTD
                                (ACN 088 272 726)

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                        PRELIMINARY AGREEMENT TO ACQUIRE
                         ALPHA OIL & NATURAL GAS PTY LTD

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<PAGE>

THIS PRELIMINARY AGREEMENT is made the 1st day of July 2004.
--------------------------

BETWEEN

AUSTRALIAN OIL & GAS CORPORATION of 2480 North Tolemac Way, Prescott,
---------------------------------

Arizona 86305 ("AOGC"); and

AUSTRALIS MINING FINANCE PTY LTD of Level 25, 500 Collins Street, Melbourne,
--------------------------------    Victoria 3000

("Vendor"), and

ALPHA OIL & NATURAL GAS PTY LTD of Level 25, 500 Collins Street,
--------------------------------

Melbourne, Victoria 3000 ("Alpha")

IT IS HEREBY AGREED AS FOLLOWS:

8.   AOGC agrees to acquire from the Vendor and the Vendor agrees to procure the
     sale all of the outstanding shares of Alpha, save and except those owned by
     Nations Natural Gas Pty Ltd (which is intended to be acquired by Gascorp,
     Inc in a subsequent transaction).

9.   Upon acquisition, Alpha's only asset will be a 20% interest in the permits
     of the Browse Joint Venture, (WA-332-P, WA-333-P, WA-341-P and WA-342-P)
     (the Permits).

10.  All past and accumulated outstanding liabilities of Alpha associated with
     the acquisition, exploration and maintenance of the Permits will be
     maintained by Alpha and assumed by AOGC, such that the transferors of
     shares in Alpha shall not at any time be obliged to discharge these
     liabilities.

11.  The shareholders of Alpha shall, upon satisfaction of all conditions, be
     entitled to receive 2,000,002 shares of common stock of AOGC as
     consideration for Alpha, which shall be divided amongst Alpha shareholders
     in such proportions as the Alpha shareholders may decide.

12.  Any liabilities of Alpha, other than those associated with the Permits,
     shall be dealt with by the shareholders of Alpha and discharged to the
     satisfaction of AOGC.

13.  Securities held by Alpha as trustee for other parties shall either be
     transferred to the beneficiaries of such securities or shall, at the
     election of the beneficiaries, continue to be held by Alpha as bare trustee
     for the beneficiaries.

14.  The transaction is subject to execution of formal documentation,
     satisfactory to AOGC and the Vendor.

<PAGE>

15.  The formal documentation shall be subject to all necessary regulatory and
     shareholder consents (if any are required).

IN WITNESS WHEREOF the parties hereto have hereunto set their hands the day
-------------------

first hereinbefore mentioned.

SIGNED FOR AND ON BEHALF of
-------------------------

AUSTRALIAN OIL & GAS CORPORATION

by authority of the Directors and
in the presence of:                                           /s/ D.B. Hill
                                                              -------------
                                                              D.B.Hill
                                                              Director

/s/ M.A. Muzzin
---------------
M.A.Muzzin
Witness

SIGNED FOR AND ON BEHALF of
-------------------------

AUSTRALIS MINING FINANCE PTY LTD the VENDOR
---------------------------------    ------

by authority of the Directors and
in the presence of                                       /s/ E. Geoffrey Albers
                                                         ----------------------
                                                         E.Geoffrey Albers
                                                         Director

/s/ M.A. Muzzin
----------------
M.A.Muzzin
Witness

SIGNED FOR AND ON BEHALF of
-------------------------

ALPHA OIL & NATURAL GAS PTY LTD

by authority of the Directors and
in the presence of:                                      /s/ E. Geoffrey Albers
                                                         ----------------------
                                                         E.Geoffrey Albers
                                                         Director
/s/ M.A. Muzzin
---------------
M.A.Muzzin
Witness

<PAGE>

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