SECURITIES & EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ----------------------

                                  SCHEDULE 13G*
                                 (Rule 13d-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED
                              PURSUANT TO 13d-2(b)

                          Petrohawk Energy Corporation
                                (Name of Issuer)

                                  Common Stock
                         (Title of Class of Securities)

                                    716495106
                                 (CUSIP Number)

                                January 12, 2005
             (Date of event which requires filing of this statement)



     Check the appropriate box to designate the rule pursuant to which this
Schedule 13G is filed:

     [ ]  Rule 13d-1(b)
     [X]  Rule 13d-1(c)
     [ ]  Rule 13d-1(d)





                              (Page 1 of 9 Pages)
----------------
     *The  remainder  of this cover  page  shall be filled  out for a  reporting
person's  initial  filing on this  form with  respect  to the  subject  class of
securities,  and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

     The  information  required in the remainder of this cover page shall not be
deemed to be "filed" for purposes of Section 18 of the  Securities  Exchange Act
of 1934 ("Act") or otherwise  subject to the  liabilities of that section of the
Act but shall be subject to all other  provisions of the Act  (however,  see the
Notes).






CUSIP No. 716495106                 13G                    Page 2 of 9 Pages

----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                            Ospraie Management, L.P.
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                                            Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                            -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                            2,775,000
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                                            -0-
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                            2,775,000
-----------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                            2,775,000
-----------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                            5.7%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                            PN
-----------------------------------------------------------------------------
                    ** SEE INSTRUCTIONS BEFORE FILLING OUT!






CUSIP No. 716495106                 13G                    Page 3 of 9 Pages

----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                            Ospraie Management, Inc.
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                                            Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                            -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                            2,775,000
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                                            -0-
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                            2,775,000
-----------------------------------------------------------------------------

     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                            2,775,000
-----------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                            5.7%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                            CO
-----------------------------------------------------------------------------
                    ** SEE INSTRUCTIONS BEFORE FILLING OUT!




CUSIP No. 716495106                 13G                    Page 4 of 9 Pages

----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                            Dwight Anderson
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                                            United States
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                            -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                            2,775,000
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                                            -0-
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                            2,775,000
-----------------------------------------------------------------------------

     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                            2,775,000
-----------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                            5.7%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                 IN
-----------------------------------------------------------------------------
                    ** SEE INSTRUCTIONS BEFORE FILLING OUT!






CUSIP No. 716495106                 13G                    Page 5 of 9 Pages

Item 1(a).     Name of Issuer:

     The name of the issuer is Petrohawk Energy Corporation (the "Company").

Item 1(b).     Address of Issuer's Principal Executive Offices:

     The Company's principal executive offices are located at 1100 Louisiana
Street, Suite 4400, Houston, Texas 77002.

Item 2(a).     Name of Person Filing:

     This statement is filed by:

          (i)  Ospraie   Management,   L.P.,  a  Delaware  limited   partnership
               ("Investment Manager"),  which  serves as  investment  manager to
               The  Ospraie  Portfolio  Ltd.  ("Portfolio"),  a  Cayman  Islands
               exempted  company,  with  respect  to the  shares of Common Stock
               (as defined in Item 2(d) below) directly owned by Portfolio;
         (ii)  Ospraie  Management,  Inc.,  a  Delaware  corporation   ("Ospraie
               Management"),  which serves as the general  partner of Investment
               Manager,  with  respect  to the shares of Common  Stock  directly
               owned by Portfolio;
        (iii)  Dwight  Anderson  ("Mr.  Anderson"),   the  sole  shareholder  of
               Ospraie  Management,  with  respect to the shares of Common Stock
               held by Portfolio.

            The  foregoing  persons  are  hereinafter   sometimes   collectively
referred to as the "Reporting  Persons." Any disclosures  herein with respect to
persons  other than the  Reporting  Persons are made on  information  and belief
after making inquiry to the appropriate party.






CUSIP No. 716495106                 13G                    Page 6 of 9 Pages

Item 2(b).     Address of Principal Business Office or, if None, Residence:

     The address of the business office of each of the Reporting Persons is 780
Third Avenue, 42nd Floor, New York, New York 10017, U.S.A.

Item 2(c).     Citizenship:

     Investment Manager is a limited partnership organized under the laws of the
State of Delaware.  Ospraie Management is a corporation organized under the laws
of the State of Delaware. Mr. Anderson is a United States citizen.

Item 2(d).     Title of Class of Securities:

     Petrohawk Energy  Corporation  Common Stock,  $0.001 par value (the "Common
Stock")

Item 2(e).  CUSIP Number:
     716495106

Item 3. If this statement is filed pursuant to Rules 13d-1(b) or 13d-2(b) or
(c), check whether the person filing is a:

          (a)   [ ]  Broker or dealer registered under Section 15 of the Act,

          (b)   [ ]  Bank as defined in Section 3(a)(6) of the Act,

          (c)   [ ]  Insurance Company as defined in Section 3(a)(19) of the
                     Act,

          (d)   [ ]  Investment Company registered under Section 8 of the
                     Investment Company Act of 1940,

          (e)   [ ]  Investment Adviser in accordance with
                     Rule 13d-1(b)(1)(ii)(E),

          (f)   [ ]  Employee Benefit Plan or Endowment Fund in accordance
                     with 13d-1 (b)(1)(ii)(F),

          (g)   [ ]  Parent Holding Company or control person in accordance
                     with Rule 13d-1 (b)(1)(ii)(G),

          (h)   [ ]  Savings Association as defined in Section 3(b) of the
                     Federal Deposit Insurance Act,

          (i)   [ ]  Church Plan that is excluded from the definition of an
                     investment company under Section 3(c)(14) of the Investment
                     Company Act of 1940,

          (j)   [ ]  Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

     If this statement is filed pursuant to Rule 13d-1(c), check the box.  [X]






CUSIP No. 716495106                 13G                    Page 7 of 9 Pages

Item 4.   Ownership.

         A.   Ospraie Management, L.P.
              (a) Amount beneficially owned: 2,775,000
              (b) Percent of class: 5.7% The percentages  used herein and in the
rest  of Item 4 are calculated based upon the 48,400,000 shares  of Common Stock
issued and outstanding as of January 13, 2005 as disclosed to Investment Manager
by the Company.
              (c) Number of shares as to which such person has:
                  (i) Sole power to vote or direct the vote: -0-
                 (ii) Shared power to vote or direct the vote: 2,775,000
                (iii) Sole power to dispose or direct the disposition: -0-
                 (iv) Shared power to dispose or direct the disposition:
                      2,775,000

         B.   Ospraie Management, Inc.
              (a) Amount beneficially owned: 2,775,000
              (b) Percent of class: 5.7%
              (c) Number of shares as to which such person has:
                  (i) Sole power to vote or direct the vote: -0-
                 (ii) Shared power to vote or direct the vote: 2,775,000
                (iii) Sole power to dispose or direct the disposition: -0-
                 (iv) Shared power to dispose or direct the disposition:
                      2,775,000

         C.   Dwight Anderson
              (a) Amount beneficially owned: 2,775,000
              (b) Percent of class: 5.7%
              (c) Number of shares as to which such person has:
                  (i) Sole power to vote or direct the vote: -0-
                 (ii) Shared power to vote or direct the vote: 2,775,000
                (iii) Sole power to dispose or direct the disposition: -0-
                 (iv) Shared power to dispose or direct the disposition:
                      2,775,000






CUSIP No. 716495106                 13G                    Page 8 of 9 Pages

Item 5.     Ownership of Five Percent or Less of a Class.

     Not applicable.

Item 6.     Ownership of More than Five Percent on Behalf of Another Person.

Investment Manager, in its capacity as the investment manager to Portfolio,  has
the power to direct the investment activities of Portfolio,  including decisions
with respect to the  disposition  of the  proceeds  from the sale of the shares.
Ospraie  Management  is the general  partner of  Investment  Manager and in that
capacity  direct  its  operations.  Mr.  Anderson  is  the  president  and  sole
shareholder of Ospraie Management and in that capacity, direct its operations.

Item 7.     Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on by the Parent Holding Company.

     Not applicable.

Item 8.  Identification and Classification of Members of the Group.

     See Item 2.

Item 9.  Notice of Dissolution of Group.

     Not applicable.

Item 10.  Certification.

     Each of the Reporting Persons hereby makes the following certification:

         By  signing  below I  certify  that,  to the best of my  knowledge  and
belief, the securities  referred to above were not acquired and are not held for
the purpose of or with the effect of changing or influencing  the control of the
issuer of the  securities  and were not acquired and are not held in  connection
with or as a participant in any transaction having that purpose or effect.






CUSIP No. 716495106                13G                     Page 9 of 9 Pages

SIGNATURES

After  reasonable  inquiry  and to the best of our  knowledge  and  belief,  the
undersigned  certify that the  information  set forth in this statement is true,
complete and correct.


DATED:  January 24, 2005

                                       OSPRAIE MANAGEMENT, L.P.
                                       By:  Ospraie Management, Inc.,
                                            its General Partner

                                       By:  /s/ Dwight Anderson
                                            --------------------------
                                            Dwight Anderson
                                            President

                                       OSPRAIE MANAGEMENT, INC.,

                                       By:  /s/ Dwight Anderson
                                            --------------------------
                                            Dwight Anderson
                                            President

                                       DWIGHT ANDERSON

                                       /s/ Dwight Anderson
                                       --------------------------------