Exhibit 10.23


                       SECOND OVERRIDING ROYALTY AGREEMENT


         THIS AGREEMENT dated as of the 20th day of December, 2001

BETWEEN:

                           GREYWOLF EXPLORATION INC., having an office in
                           Calgary, Alberta (hereinafter called "Greywolf")

                                     - and -

                           MIRANT CANADA ENERGY CAPITAL, LTD., having an office
                           in Calgary, Alberta (hereinafter called "Mirant")



         WHEREAS the Parties wish to enter into this agreement to provide for
the reservation and granting of the Overriding Royalty;

         NOW THEREFORE in consideration of the premises, covenants and
agreements of the Parties, the Parties hereby covenant and agree as follows:

1.       DEFINITIONS

Each capitalized term in this Agreement will have the meaning given to it in the
Royalty Procedure, and, in addition:

         (a)  "Agreement" and "Head Agreement" means this Overriding Royalty
              Agreement and all schedules attached hereto.

         (b)  "Permitted Encumbrances" has the meaning ascribed thereto in
              Section 4.

         (c)  "Royalty Lands" means all lands in which the Royalty Owner
              currently owns a working interest including, without limitation,
              those lands described in Schedule "A".

         (d)  "Royalty Owner" means Mirant.

         (e)  "Royalty Payor" means Greywolf.

         (f)  "Royalty Payor's Working Interest" means the working interest of
              the Royalty Payor as described in Schedule "A".

         (g)  "Royalty Procedure" means the standard form 1997 CAPL Overriding
              Royalty Procedure including the elections and amendments, all
              attached hereto as Schedule "B".

                                       2


2.       SCHEDULES

The following schedules are attached hereto and made part of this Agreement:

         (a)  Schedule "A" which describes the Title Documents, the Royalty
              Lands, and the Royalty Payor's Working Interest;

         (b)  Schedule "B" which is the Royalty Procedure Elections and
              Amendments;

         (c)  Schedule "C" which is the Royalty Procedure; and

         (d)  Schedule "D" which is the form of Royalty Lands Addition Schedule.

3.       ROYALTY

         (a)  The Royalty Payor hereby grants, conveys, bargains, sells,
              assigns, transfers and sets over to the Royalty Owner an
              overriding royalty interest in and to the Royalty Lands (the
              "Overriding Royalty") TO HAVE AND TO HOLD the Overriding Royalty,
              together with all and singular, all rights, privileges, options,
              heredita-ments, and appurtenances thereto in any way belonging to
              the Royalty Owner, its successors and assigns forever, subject to
              the terms, conditions, exceptions, reservations, covenants and
              agreements herein set forth.

         (b)  The Overriding Royalty shall be calculated, administered and
              otherwise dealt with in accordance with this Agreement.

         (c)  The Overriding Royalty shall become effective on the Effective
              Date and shall encumber the Royalty Lands in the manner set forth
              in this Agreement.

         (d)  For the purposes of Subclause 2.01 A of the Royalty Procedure, the
              Overriding Royalty will be multiplied by the Royalty Payor's
              Working Interest percentage of production after deducting:

              (i) all applicable Crown royalties in accordance with the
                  Regulations;

              (ii) all applicable freehold royalties as identified in Schedule
                  "A"; and

              (iii) all applicable royalties payable to third parties
                  encumbering the Royalty Lands as of the date hereof (other
                  than those payable in respect of Petroleum Substances as
                  described in (i) and (ii) above) identified in Schedule "A".

         (e)  The Overriding Interest is and the Parties intend for it to
              constitute an interest in land which shall burden and run with any
              transfer of all or any portion of the Royalty Lands.

                                       3


4.       TITLE REPRESENTATION

Royalty Payor represents and warrants that the Overriding Royalty granted and
conveyed hereby is free and clear of any mortgages, deeds of trust, voluntary or
contractual liens, pledges, security interests, charges, conditional sales or
other title retention documents, or other encumbrances or burdens other than
those in favor of Royalty Payor or as expressly set forth under the heading
"Encumbrances" on Schedule A (the "Permitted Encumbrances"), and the Royalty
Payor hereby binds itself, its successors and assigns to warrant and forever
defend the title to the Overriding Royalty herein granted, conveyed, assigned,
and transferred unto Royalty Owner, its successors and assigns, against the
lawful claims and demands of every person whomsoever claiming or to claim the
same or any part thereof, by, through or under the Royalty Payor.

5.       ADDITION OF ROYALTY LANDS

         (a)  Subject to Clauses 5(b) and (c) hereof, the Parties may from time
              to time add additional lands to the Royalty Lands by executing two
              copies of a completed Royalty Lands Addition Schedule in the form
              attached hereto as Schedule "D".

         (b)  In the event that the parties elect ALTERNATE A of Section 3 of
              any Royalty Lands Addition Schedule, the Royalty Procedure
              Elections and Amendments attached hereto as Schedule "B" shall
              apply to the lands added to the Royalty Lands hereby.

         (c)  In the event that the Parties elect ALTERNATE B of Section 3 of
              any Royalty Lands Addition Schedule, the Parties shall also
              complete the separate Alternate Elections and Amendments Form in
              the form as provided in Section 3B of the Royalty Lands Addition
              Schedule. Any such elections or amendments to the Royalty
              Procedure shall only apply to the Royalty Lands set forth in the
              Royalty Lands Addition Schedule to which they are attached and
              shall have no effect upon the royalty applicable to any other
              Royalty Lands subject to this Agreement.

6.       ADDRESSES FOR NOTICES

The Parties' addresses for notices for this Agreement are:

Royalty Payor:

Grey Wolf Exploration Inc.
Suite 1600, Bow Valley Square III 255 - 5th Avenue S.W.
Calgary, AB T2P 3G6

Attention:        Vice President, Land and Contracts

Royalty Owner:

Mirant Canada Energy Capital, Ltd.


                                       4


#300, 440 - 2nd Ave. S.W.
Calgary, AB T2P 5E9

Attention:        Robert Lindermanis, Managing Direcetor

7.       FURTHER ASSURANCES

From time to time, each party will, at the reasonable request of the other
party, take all action, do all such acts and execute and deliver all agreements,
instruments, documents or other writings desired or required by such other party
in connection with the registration of its interest in this Agreement or any
other agreement, document, instrument or other writing to be executed and
delivered pursuant hereto at any public registry or otherwise and take all
action and execute and deliver all such further agreements, instruments,
documents or other writings reasonably desired or required by such other party
so as to fully perform or carry out the terms, intents or purposes of this
Agreement.

8.       INVALIDITY OF PROVISIONS

If any of the provisions of this Agreement are determined to be invalid, illegal
or unenforceable in any respect, the validity, legality or enforceability of the
remaining provisions shall not in any way be affected or impaired thereby.

9.       TIME

Time shall be of the essence in this Agreement.

10.      SUCCESSORS AND ASSIGNS

This Agreement will be binding upon and will enure to the benefit of the parties
hereto and their respective successors and permitted assigns.

11.      COUNTERPART EXECUTION

This Agreement and any document or instrument to be executed and delivered by
the parties hereunder or in connection herewith may be executed and delivered in
separate counterparts and delivered by one party to the other by facsimile, each
of which when so executed and delivered shall be deemed an original and all such
counterparts shall together constitute one and the same agreement, if this
Agreement or any such document or instrument is delivered by facsimile, the
party so delivering this Agreement or such document or instrument shall within a
reasonable time after such delivery deliver an originally executed copy to the
other.

12.      GOVERNING LAW; ATTORNMENT; ETC.

         (a)  This Agreement shall be governed by, and construed and enforced in
              accordance with, the applicable laws, other than conflict of laws
              rules, prevailing in the Province of Alberta.

                                       5


(b)      The parties irrevocably

              (i) submit and attorn to the non-exclusive jurisdiction of the
                  courts of the Province of Alberta for all matters arising out
                  of or relating to this Agreement, or any of the transactions
                  contemplated hereby;

              (ii) waive all right to object to jurisdiction of such courts in
                  any legal action or proceeding relative to this Agreement or
                  the transactions contemplated hereby or execution of any
                  judgment, order or decree issued in or as a result of any such
                  action, suit or proceeding which they may now or hereafter
                  have by reason of domicile or otherwise;

              (iii) waive any objection to the laying of venue in such courts of
                  any of the aforesaid actions, suits or proceedings arising out
                  of or in connection with this Agreement or the transactions
                  contemplated hereby; (iv) waive and agree not to plead or
                  claim that any action, suit or proceeding in such courts has
                  been brought in an inconvenient forum; and

              (v) waive any right they may have to, or to apply for, trial by
                  jury in connection with any matter, action, proceeding, claim
                  or counterclaim arising out of or relating to this Agreement
                  or any of the transactions contemplated hereby.

         (c)  Each party shall appoint and maintain an attorney in Alberta for
              service of process in respect of actions, suits or proceedings
              arising out of or in connection with this Agreement or the
              transactions contemplated hereby and advise the other party from
              time to time of the name and address of such attorney, provided
              that it shall not change the attorney so appointed or terminate
              the appointment unless (and no change or termination shall be
              effective until) they have previously given written advice to the
              other party of a new attorney in Alberta for such purpose, in
              which case this proviso shall again apply in respect of the new
              attorney so appointed.

13.      REFERENCES AND HEADINGS

The references "hereunder", "herein" and "hereof" refer to the provisions of
this Agreement, and references to Articles and Sections herein refer to
articles, sections, or subsections of this Agreement. Any reference to time
shall refer to Mountain Standard Time or Mountain Daylight Saving Time during
the respective intervals in which each is in force in the Province of Alberta.
The headings of the Articles, Sections, Schedules and any other headings,
captions or indices herein are inserted for convenience of reference only and
shall not be used in any way in construing or interpreting any provision hereof.

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14.      SINGULAR/PLURAL; DERIVATIVES

Whenever the singular or masculine or neuter is used in this Agreement, it shall
be interpreted as meaning the plural or feminine or body politic or corporate,
and vice versa, as the context requires. Where a term is defined herein, a
capitalized derivative of such term shall have a corresponding meaning unless
the context otherwise requires.

IN WITNESS WHEREOF the Parties hereto have executed this Agreement as of the day
and year first above written.

GREYWOLF EXPLORATION INC.                 MIRANT CANADA ENERGY CAPITAL, LTD.


Per:                                      Per:
    -----------------------------------      -----------------------------------
         Robert L.G. Watson                    Robert Lindermanis
         Chairman, President & CEO              Managing Director






























                                  SCHEDULE "A"

      attached to and forming part of a Second Overriding Royalty Agreement
   dated the 20th day of December, 2001 between Greywolf Exploration Inc. and
                       Mirant Canada Energy Capital, Ltd.

                        ROYALTYLANDS, TITLE DOCUMENTS AND
                        ROYALTY PAYOR'S WORKING INTEREST


                 The following ______ pages comprise Schedule A.






                                  SCHEDULE "B"

      attached to and forming part of a Second Overriding Royalty Agreement
   dated the 20th day of December, 2001 between Greywolf Exploration Inc. and
                       Mirant Canada Energy Capital, Ltd.

                   ROYALTY PROCEDURE ELECTIONS AND AMENDMENTS

1.       Effective Date (Subclause 1.01 (b)) - December 20, 2001

2.       Quantification of Overriding Royalty (Subclause 2.01 A)

for crude oil - 2.5  %
               -------
for all other Petroleum Substances - Alternate   1   will apply (Specify 1 or 2)
                                               ------

                  If Alternate 1 applies:     2.5   %
                                          ----------
                  If Alternate 2 applies:    N/A  % in (i) and    N/A  % in (ii)
                                          ---------             --------

3.       Royalty Payor's Allowed Deductions If Overriding Royalty Not Taken In
         Kind

         (Subclause 2.04 B if applicable) Alternate(s) 1 only______ / 2 only
         /_______ 1 and 2 ___________/ neither 1 nor 2____________

4.       Royalty Owner's Rights Upon Surrender (Subclause 2.08) will |X| / will
         not (Specify) apply.

5.       Other Amendments:

         Deletion - Clause 2.03 D (b). Clause 2.03 (D)(b) is deleted in its
         entirety.

         Amendment - Clause 2.03 C. Clause 2.03 C is amended by deleting the
         word "Payor's" in the first sentence and replacing same with the word
         "Owner's".

         Addition - Clause 2.04. Clause 2.04 is amended by adding the words
         "other than the costs of removing basic sediment and water where such
         charges are material" to the end of the first sentence.

         Amendment - Clause 5.01. Clause 5.01 is amended by deleting the words
         "either the Royalty Owner or" from the last line.

         Addition - Clause 5.02. The following is added as Clause 5.02:

                  The Royalty Owner may not assign its interest under the Head
                  Agreement without the written consent of the Royalty Payor
                  which consent may be withheld at the discretion of the Royalty
                  Payor.

         Deletion - Clause 7.00. Clause 7.00 is deleted in its entirety.






                                  SCHEDULE "C"

      attached to and forming part of a Second Overriding Royalty Agreement
   dated the 20th day of December, 2001 between Greywolf Exploration Inc. and
                       Mirant Canada Energy Capital, Ltd.


                                ROYALTY PROCEDURE

                 (The following 10 pages comprises Schedule "C")





                                  SCHEDULE "D"

      attached to and forming part of a Second Overriding Royalty Agreement
   dated the 20th day of December, 2001 between Greywolf Exploration Inc. and
                       Mirant Canada Energy Capital, Inc.


                         ROYALTY LANDS ADDITION SCHEDULE

                 (The following 3 pages comprises Schedule "D")







                         ROYALTY LANDS ADDITION SCHEDULE

WHEREAS Greywolf Exploration, Inc. ("Greywolf") and Mirant Canada Energy
Capital, Inc. ("Mirant") are parties to that certain Overriding Royalty
Agreement dated December 18, 2001 (the "Royalty Agreement").

AND WHEREAS the Royalty Agreement provides for the addition of lands and
petroleum and natural gas rights owned by the Royalty Payor to the Royalty Lands
by execution of this Royalty Lands Addition Schedule.

AND WHEREAS Greywolf, as Royalty Payor and Mirant, as Royalty Owner wish to add
additional lands and petroleum and natural gas rights to the Royalty Lands.

NOW THEREFORE Greywolf and Mirant hereby agree as follows:

DEFINITIONS

1.       Unless otherwise indicated, terms used in this Schedule shall have the
         meanings ascribed to them in the Royalty Agreement.

ADDITION OF LANDS

2.       The following lands (the "Additional Lands") are hereby added as
         Royalty Lands pursuant to Article 4 of the Royalty Agreement:

- ----------------------- ---------------------------- ---------------------------
Royalty Lands           Title Documents              Royalty Payor's Working
                                                     Interest
- ----------------------- ---------------------------- ---------------------------
- ----------------------- ---------------------------- ---------------------------

- ----------------------- ---------------------------- ---------------------------


ELECTIONS AND AMENDMENTS

3.       Pursuant to Sections 4(a) and 4(b) of the Royalty Agreement, Greywolf
         and Mirant hereby elect as follows:


                           ALTERNATE A (pursuant to Section 4(a) of the Royalty
                           Agreement):
- ---------      ---------
    Init.
                           Schedule B of the Royalty Agreement (with the
                           exception of Section 1 Effective Date which shall be
                           ______, 200_  ) shall govern the royalty applicable
                           to the Additional Lands.
- ---------
    Init.
                           ALTERNATE B (pursuant to Section 4(b) of the Royalty
                           Agreement).
- ---------      ---------
    Init.
                           The following  Royalty Procedure  Elections and
                           Amendments shall govern the royalty  applicable to
                           the Additional Lands:
- ---------
    Init.


                                       2


1.       Effective Date (Subclause 1.01 (b)) -_______________ , 200_

2.       Quantification of Overriding Royalty (Subclause 2.01 A)


for crude oil -____ %

for all other Petroleum Substances - Alternate______ will apply (Specify 1 or 2)
                                               ------

                  If Alternate 1 applies:____&
                  If Alternate 2 applies:____ % in (i) and____ % in (ii)

3.       Royalty Payor's Allowed Deductions If Overriding Royalty Not Taken In
         Kind

         (Subclause 2.04 B if applicable) Alternate(s) 1 only______ / 2 only
         /_____ 1 and 2 /________ neither 1 nor 2 (Specify Alternate)

         If Alternate 2 applies, deductions must not be greater than o% of the
         Market Price.

4.       Royalty Owner's Rights Upon Surrender (Subclause 2.08) will  / will not
         (Specify) apply.

5.       Other Amendments (if any)


EXECUTED by the parties hereto on the dates indicated below:

GREYWOLF EXPLORATION INC.                     MIRANT CANADA ENERGY CAPITAL, LTD.



per:                                          per:
    ------------------------------                ----------------------------
    Name:                                         Name:
    Position:                                     Position:
    Date:                                         Date: