EAGLE GEOPHYSICAL INC
SC 13D, 1998-01-20
OIL & GAS FIELD EXPLORATION SERVICES
Previous: DAYTON GENERAL SYSTEMS INC, POS AM, 1998-01-20
Next: CARRIZO OIL & GAS INC, SC 13D, 1998-01-20




                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                 AMENDMENT NO. 1

                                  SCHEDULE 13D


                    Under the Securities Exchange Act of 1934


                             EAGLE GEOPHYSICAL, INC.
                 --------------------------------------------------------------

                                (Name of Issuer)

                          Common Stock, $0.01 Par Value
                 --------------------------------------------------------------

                         (Title of Class of Securities)


                 --------------------------------------------------------------
                                                      269524104
                                 (CUSIP NUMBER)

                           CAMBRIDGE INVESTMENTS, LTD.
                              600 Montgomery Street
                                   43rd Floor
                         San Francisco, California 94111
                            Tel. No.: (415) 781-0866
                 --------------------------------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                               - with copies to -

                           Michael G. Tannenbaum, Esq.
              Newman Tannenbaum Helpern Syracuse & Hirschtritt LLP
                          900 Third Avenue - 13th Floor
                            New York, New York 10022
                                 (212) 508-6700


                 --------------------------------------------------------------
                     December 10. 1997 and December 12, 1997
             (Date of event which requires filing of this statement)


If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  which is the subject of this  Schedule 13D, and is filing this
schedule because of Rule 13d- 1(b)(3) or (4) check the following box [ ]

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, as amended ("Act") or otherwise subject to the liabilities of that section
of the Act but shall be subject to all other provisions of the Act.

                                               Page 1 of 8 Pages
                                                     
<PAGE>



- ----------------------                    -------------------------------------
CUSIP No. 269524104            13D
- ----------------------                    -------------------------------------
- -------------------------------------------------------------------------------
      1         NAME OF REPORTING PERSONS
                S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

                Cambridge Investments, Ltd.
- -------------------------------------------------------------------------------
      2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*      (a) |_|
                                                                       (b) |_|


- -------------------------------------------------------------------------------
      3         SEC USE ONLY


- -------------------------------------------------------------------------------
      4         SOURCE OF FUNDS*

                00
- -------------------------------------------------------------------------------
      5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
              TO ITEM 2(d) or 2(e)                                        |_|


- --------------------------------------------------------------------------------
      6       CITIZEN OR PLACE OR ORGANIZATION
              U.S.A.

- -------------------------------------------------------------------------------
   NUMBER OF         7       SOLE VOTING POWER
    SHARES
  BENEFICIALLY          As of December 10, 1997, 688,950 Shares of Common Stock
   OWNED BY             (See Item 5)
    EACH
  REPORTING             As of December 12, 1997, 588,050 shares of Common Stock
  PERSON WITH           (See Item 5)
- -------------------------------------------------------------------------------
     8       SHARED VOTING POWER

             0
- ------------------------------------------------------------------------------
     9       SOLE DISPOSITIVE POWER

             As of December 10, 1997, 688,950 shares of Common Stock
            (See Item 5.)

             As of December 12, 1997, 588,050 shares of Common Stock
             (See Item 5.)

- -------------------------------------------------------------------------------
    10      SHARED DISPOSITIVE POWER

            0
- -------------------------------------------------------------------------------
    11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                588,050 shares of Common Stock (See Item 5.)
- --------------------------------------------------------------------------------
     12         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
                CERTAIN SHARES*                                        |_|




                                               Page 2 of 8 Pages
                                                      

<PAGE>





- -------------------------------------------------------------------------------
     13         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                As of December 10, 1997, 8.11% of Common Stock  (See Item 5)

                As of December 12, 1997, 6.92% of Common Stock  (See Item 5)
- -------------------------------------------------------------------------------
     14         TYPE OF REPORTING PERSON*

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

                      *SEE INSTRUCTIONS BEFORE FILLING OUT

                                               Page 3 of 8 Pages
                                                      

<PAGE>



                                                AMENDMENT NO. 1 TO

                                                   SCHEDULE 13D


                  This  Amendment No. 1 to Schedule 13D is being filed on behalf
of Cambridge Investments, Ltd., a California corporation ("Cambridge" or "CIL"),
registered as an investment advisor in the State of California, regarding shares
of Eagle Geophysical, Inc.
acquired on behalf of certain of its clients.

Item 1.           Security and Issuer

                  Securities acquired:  Common Stock, $0.01 par value

                  Issuer:       Eagle Geophysical, Inc. (the "Issuer")
                                50 Briar Hollow Lane
                                6th Floor, West
                                Houston, TX  77027
                                (713) 627-1990



Item 2.           Identity and Background

                  There is no change in this section.

Item 3.           Source and Amount of Funds

                  (a) As of December  10,  1997,  Cambridge,  through  Cambridge
Energy,  L.P.  ("CELP"),   Cambridge  Energy  Fund  International  Ltd.  ("CEF")
Cambridge Oil & Gas, L.P. ("COG"), Cambridge Oil & Gas International, Ltd. ("COG
Int'l"),  and Quantum Partners,  LDC ("QUE")  (collectively,  the "Funds"),  has
invested approximately $12,523,700.56 in Common Stock of the Issuer as described
in Item 5 below. CELP, CEF, COG, COG Int'l., and QUE have invested approximately
$3,678,247.05,   $8,021,742.36,  $533,020.25,  $290,689.90,  and  $1,137,908.53,
respectively.  The source of these funds was the respective  working  capital of
each of the Funds.

                  (b) As of December  12,  1997,  Cambridge,  through  Cambridge
Energy,  L.P.  ("CELP"),   Cambridge  Energy  Fund  International  Ltd.  ("CEF")
Cambridge Oil & Gas, L.P. ("COG"), Cambridge Oil & Gas International, Ltd. ("COG
Int'l"),  and Quantum Partners,  LDC ("QUE")  (collectively,  the "Funds"),  has
invested approximately $11,615,382.18 in Common Stock of the Issuer as described
in Item 5 below. CELP, CEF, COG, COG Int'l., and QUE have invested approximately
$3,678,247.05,   $5,975,516.45,  $533,020.25,  $290,689.90,  and  $1,137,908.53,
respectively.  The source of these funds was the respective  working  capital of
each of the Funds.


                                               Page 4 of 8 Pages
                                                      

<PAGE>




Item 4.           Purpose of the Transaction

                  There is no change in this section.


Item 5.           Interest in Securities of the Issuer

                  (a)(i) As of December  10, 1997  Cambridge  is the  beneficial
owner of 688,950 shares of Common Stock, or 8.11% of the shares outstanding.  Of
the  688,950  shares of Common  Stock  described  above,  (i) 180,650 are deemed
beneficially  owned by Cambridge in its capacity as  investment  advisor for the
institutional  account of CELP;  (ii) 410,750 are deemed  beneficially  owned by
Cambridge in its capacity as investment advisor for the institutional account of
CEF; (iii) 27,100 are deemed  beneficially owned by Cambridge in its capacity as
investment advisor for the institutional  account of COG; (iv) 14,500 are deemed
beneficially  owned by Cambridge in its capacity as  investment  advisor for the
institutional  account of COG  Int'l.;  and (v)  55,950 are deemed  beneficially
owned by Cambridge in its capacity as investment  advisor for the  institutional
account of QUE.

                  (a)(ii) As of December 12, 1997  Cambridge  is the  beneficial
owner of  588,050  shares  of  Common  Stock,  or  6.92%  shares  of the  shares
outstanding.  Of the 588,050 shares of Common Stock described above, (i) 180,650
are deemed beneficially owned by Cambridge in its capacity as investment advisor
for the  institutional  account of CELP;  (ii)  309,850 are deemed  beneficially
owned by Cambridge in its capacity as investment  advisor for the  institutional
account of CEF; (iii) 27,100 are deemed  beneficially  owned by Cambridge in its
capacity as investment advisor for the institutional account of COG; (iv) 14,500
are deemed beneficially owned by Cambridge in its capacity as investment advisor
for  the  institutional  account  of COG  Int'l.;  and  (v)  55,950  are  deemed
beneficially  owned by Cambridge in its capacity as  investment  advisor for the
institutional account of QUE.

                  The number of shares beneficially owned by Cambridge,  and the
percentage of  outstanding  shares  represented  thereby,  have been computed in
accordance  with Rule  13d-3  under the Act.  The  percentage  of  ownership  of
Cambridge  on December  10,  1997 and  December  12, 1997 is based on  8,489,000
outstanding  shares of Common  Stock as  reported in the  Issuer's  10-Q for the
quarter ended September 30, 1997.

                  (b)  Cambridge  has the sole power to vote and  dispose of the
shares of Common Stock held for the  institutional  accounts of CELP,  CEF, COG,
COG Int'l. and QUE.
                  (c) The  transactions in the Issuer's  securities by Cambridge
over the last sixty  (60) days are  listed as Annex A  attached  hereto and made
apart hereof.

                  (d) The Funds have the right to  participate in the receipt of
dividends from, or proceeds from the sale of,  securities held on behalf of such
funds.

                  (e)    Not Applicable.


                                               Page 5 of 8 Pages
                                                     

<PAGE>




Item 6.           Contracts, Arrangement, Understandings or Relationships with 
                  Respect to Securities of the Issuer

                  There is no change in this section.


Item 7.           Material to be Filed as Exhibits

                  There is no change in this section.

                                               Page 6 of 8 Pages
                                                     

<PAGE>


<TABLE>

- -----------------------------------------------------------------------------------------------
                                            EGEO
- -----------------------------------------------------------------------------------------------
         <S>       <C>              <C>                               <C>              <C>
         DATE      ACCOUNT          TRANS                             SHARES           PRICE
                                    (A/D)                                              ($)
- -----------------------------------------------------------------------------------------------
         11/14/97  PAL               D                                8,850            19.625
- -----------------------------------------------------------------------------------------------
         11/14/97  QUE               D                                 3100             19.62
- -----------------------------------------------------------------------------------------------
         12/04/97  CIL               A                                 1000             16.52
- -----------------------------------------------------------------------------------------------
         12/04/97  CIL               D                                 1000             16.99
- -----------------------------------------------------------------------------------------------
         12/04/97  CIL               A                                 1000             16.52
- -----------------------------------------------------------------------------------------------
         12/05/97  CEF               D                                11500             16.26
- -----------------------------------------------------------------------------------------------
         12/05/97  CEF               D                                 1000             16.86
- -----------------------------------------------------------------------------------------------
         12/05/97  CELP              D                                 2350             16.26
- -----------------------------------------------------------------------------------------------
         12/05/97  CELP              D                                 1650             16.26
- -----------------------------------------------------------------------------------------------
         12/05/97  CIL               D                                 1000             16.25
- -----------------------------------------------------------------------------------------------
         12/05/97  QUE               D                                 1400             16.25
- -----------------------------------------------------------------------------------------------
         12/08/97  CEF               D                                20000             17.16
- -----------------------------------------------------------------------------------------------
         12/09/97  CEF               D                                 1200             16.69
- -----------------------------------------------------------------------------------------------
         12/09/97  CEF               D                                10000             16.75
- -----------------------------------------------------------------------------------------------
         12/09/97  CELP              D                                 3000             16.75
- -----------------------------------------------------------------------------------------------
         12/09/97  QUE               D                                 2000             16.74
- -----------------------------------------------------------------------------------------------
         12/10/97  CEF               D                                 5000             16.62
- -----------------------------------------------------------------------------------------------
         12/10/97  CEF               D                                 7100             15.76
- -----------------------------------------------------------------------------------------------
         12/10/97  CELP              D                                 3000             15.75
- -----------------------------------------------------------------------------------------------
         12/10/97  QUE               D                                  900             15.74
- -----------------------------------------------------------------------------------------------
         12/11/97  CEF               D                                50000             15.75
- -----------------------------------------------------------------------------------------------
         12/11/97  CEF               D                                  900             15.44
- -----------------------------------------------------------------------------------------------
         12/12/97  CEF               D                                35150              15.5
- -----------------------------------------------------------------------------------------------
         12/12/97  CEF               D                                14850              15.5
- -----------------------------------------------------------------------------------------------
</TABLE>



                                               Page 7 of 8 Pages
                                                      
<PAGE>


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 16, 1998


                                       CAMBRIDGE INVESTMENTS, LTD.


                                       By: /s/Jocelyn E. Weingart,
                                                Vice President

                                               Page 8 of 8 Pages
                                                      

<PAGE>



© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission