UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13G


                   Under the Securities Exchange Act of 1934
                               (Amendment No. 7)


                           Petroleum Helicopters Inc.
                                (Name of Issuer)


                                  Common Stock
                         (Title of Class of Securities)


                                   716604 103
                                 (CUSIP Number)

                                    12/31/04
                      -----------------------------------
                     Date of Event Which Requires Reporting

          Check the appropriate box to designate the rule pursuant to
                         which this Schedule is filed:
                                        
                               [X]  Rule 13d-1(b)
                               [ ]  Rule 13d-1(c)
                               [ ]  Rule 13d-1(d)
                                        
*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 the purpose 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).





                               Page 1 of 5 pages

CUSIP No. 716604 103                      13G                  Page 2 of 5 Pages
--------------------------------------------------------------------------------
 1    NAME OF REPORTING PERSON
      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

              St. Denis J. Villere & Company, L.L.C
              I.R.S. Identification No. 72-0343760
--------------------------------------------------------------------------------
 2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*       

                   (a) /  /          (b) /X/
--------------------------------------------------------------------------------
 3    SEC USE ONLY

--------------------------------------------------------------------------------
 4    CITIZENSHIP OR PLACE OF ORGANIZATION

              Louisiana
--------------------------------------------------------------------------------
          NUMBER OF            5     SOLE VOTING POWER
          
           SHARES                         0        
                               -------------------------------------------------
        BENEFICIALLY           6     SHARED VOTING POWER
                   
           OWNED BY                       215,147
                               -------------------------------------------------
            EACH               7     SOLE DISPOSITIVE POWER 
                   
          REPORTING                       0        
                                        
           PERSON              ------------------------------------------------
                               8     SHARED DISPOSITIVE POWER                  
            WITH    
                                          215,147
------------------------------------------------------------------------------- 
 9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              215,147
--------------------------------------------------------------------------------
10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

              N/A
--------------------------------------------------------------------------------
11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              7.54%
--------------------------------------------------------------------------------
12    TYPE OF REPORTING PERSON*

              IA
--------------------------------------------------------------------------------


                     *SEE INSTRUCTION BEFORE FILLING OUT!


                              Page 2 of 5 pages


                                  SCHEDULE 13G

ITEM 1.

         This Schedule 13G relates to shares of the common stock (the "Shares")
of Petroleum Helicopters Inc., (the "Issuer"), whose principal executive offices
are located at 2001 SE Evangeline Thruway, Lafayette, LA 70508


ITEM 2.

         (a)-(c)   The person filing this Schedule 13G is St. Denis J. Villere
& Company, L.L.C. a Louisiana limited liability company ("Villere"), with its
principal business office located at 210 Baronne Street, Suite 808, New Orleans,
Louisiana 70112-1727.

         (d)       Title of Class of Securities:  Common Stock

(e)       CUSIP Number:  716604 103

ITEM 3.

         Villere is filing this Schedule 13G as an Investment Adviser 
registered under Section 203 of the Investment Advisers Act of 1940.

ITEM 4.  Ownership.

         (a)-(c)   As of December 31, 2004, Villere was deemed to have or share
voting or dispositive power over, and therefore to own beneficially, the number
and percentage of Shares of the Issuer indicated below:

Number       Percentage of    Sole     Shared      Sole             Shared
of           Outstanding      Voting   Voting      Dispositive      Dispositive
Shares       Shares           Power    Power       Power            Power
------       ------------     -----    -----       -----------      -----------

215,147      7.54%            0        215,147     0                215,147





                               Page 3 of 5 pages

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


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


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.

                 Not Applicable

ITEM 9.  Notice of Dissolution of Group.

                 Not Applicable

ITEM 10.         Certification.

                 By signing below I certify that, to the best of my knowledge
and belief, the securities referred to above were acquired and held in the
ordinary course of business and 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.





                               Page 4 of 5 pages

                                   SIGNATURE

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

Date: February 28, 2005

                                          ST. DENIS J. VILLERE & COMPANY, L.L.C.




                                          By:     /s/ GEORGE G. VILLERE     
                                                  ----------------------------
                                                  George G. Villere
                                                  Member






                               Page 5 of 5 pages