THIRD AMENDMENT AND SUPPLEMENT
                       TO CREDIT AGREEMENT


       This  Third  Amendment and Supplement to Credit  Agreement
(herein  called the "Third Amendment") is dated and effective  as
of  June  27,  1996,  by  and among NEWPARK  RESOURCES,  INC.,  a
Delaware corporation (the "Borrower"), SOLOCO L.L.C., a Louisiana
limited  liability company and the successor by merger to SOLOCO,
Inc.  ("SOLOCO L.L.C."), NEWPARK SHIPHOLDING TEXAS, L.P., a Texas
limited partnership ("Newpark Shipholding"), SOLOCO TEXAS,  L.P.,
a  Texas limited partnership ("SOLOCO Texas"), BATSON-MILL, L.P.,
a Texas limited partnership ("Batson"), MALLARD & MALLARD OF LA.,
INC., a Louisiana corporation ("Mallard"), NEWPARK TEXAS, L.L.C.,
a  Louisiana limited liability company ("Newpark Texas"), NEWPARK
HOLDINGS,  INC.,  a  Louisiana corporation ("Holdings"),  NEWPARK
ENVIRONMENTAL  SERVICES,  L.L.C., a Louisiana  limited  liability
company  and  the  successor by merger to  Newpark  Environmental
Services,    Inc.   ("Environmental   L.L.C."),    and    NEWPARK
ENVIRONMENTAL   SERVICES,  L.P.,  a  Texas  limited   partnership
("Environmental L.P."; SOLOCO L.L.C., Newpark Shipholding, SOLOCO
Texas,  Batson,  Mallard, Newpark Texas, Holdings,  Environmental
L.L.C. and Environmental L.P. are herein collectively called  the
"Guarantors"), and HIBERNIA NATIONAL BANK ("Hibernia"), BANK  ONE
TEXAS,  N.A.  ("Bank One"), and BANK ONE, LOUISIANA, N.A.  ("Bank
One   Louisiana")  (f/k/a  PREMIER  BANK,  NATIONAL  ASSOCIATION)
(Hibernia,  Bank  One,  and Premier are hereinafter  referred  to
individually as "Bank" and collectively as the "Banks"), and BANK
ONE,  LOUISIANA, N.A. (f/k/a PREMIER BANK, NATIONAL  ASSOCIATION)
as  agent for the Banks (hereinafter in such capacity referred to
as the "Agent").

      RECITALS:

       1.    The  Borrower, the Guarantors (except  Environmental
L.L.C.  and Environmental L.P.), Newpark Environmental  Services,
Inc.,  Newpark Environmental Water Services, Inc., SOLOCO,  Inc.,
the  Banks,  and  the  Agent are parties to that  certain  Credit
Agreement dated as of June 29, 1995 (the "Credit Agreement"),  as
amended  and modified by letter agreements thereto dated  October
9,  1995  and  January  8, 1996 (the said letter  agreements  are
herein  referred  to  as the "First Amendment"),  and  by  Second
Amendment and Supplement to Credit Agreement dated as of March 5,
1996  (the "Second Amendment").  The Credit Agreement, as amended
by  the  First  Amendment  and the Second  Amendment,  is  herein
referred to as the Credit Agreement.

       2.    The Borrower and the Guarantors have requested  that
Bank  One Louisiana extend a 60-day term loan to the Borrower  in
the principal amount of $2,000,000.00.

       3.    Bank One Louisiana, with the consent of Hibernia and
Bank  One,  is  willing , subject to the terms and conditions  of
this  Third  Amendment,  to extend a  60-day  term  loan  to  the
Borrower in the principal amount of $2,000,000.00.

       4.   All capitalized terms used herein are used as defined
in  the  Credit Agreement, except as otherwise expressly provided
in this Third Amendment.

       NOW  THEREFORE,  in  consideration of  the  premises,  the
parties  hereto  do  hereby  amend  and  supplement  the   Credit
Agreement, and agree and obligate themselves as follows:

            A.   $2,000,000.00 TERM LOAN BY BANK ONE LOUISIANA TO
THE  BORROWER.  Subject to the terms and conditions of this Third
Amendment, Bank One Louisiana agrees to extend a 60-day term loan
to  the  Borrower in the principal amount of $2,000,000.00.   The
said  term loan shall be evidenced by the promissory note of  the
Borrower  dated  June  27,  1996  in  the  principal  amount   of
$2,000,000.00,  payable to the order of Bank One  Louisiana  with
interest at the LIBOR Rate plus 2% (the "$2,000,000 Term  Note").
The  payment  of all principal and interest under the  $2,000,000
Term Note shall be as specified in the $2,000,000 Term Note.  The
proceeds  of  the $2,000,000 Term Note shall be used  to  acquire
board road mats.  All parties to this Third Amendment acknowledge
their  consent and understanding that the term loan provided  for
in  this  paragraph A, as evidenced by the $2,000,000 Term  Note,
will be funded one hundred percent (100%) by Bank One Louisiana.

             B.    REFERENCES.   All  references  in  the  Credit
Agreement  to  Premier shall henceforth be deemed a reference  to
Bank One, Louisiana, N.A.  All references in the Credit Agreement
to  Notes, Term Notes, and Term Loans shall henceforth be  deemed
to  include the term loan provided for in paragraph A  above  and
the $2,000,000 Term Note; provided, however, it is understood and
agreed  that the $2,000,000 Term Note will be funded one  hundred
percent (100%) by Bank One Louisiana.

            C.    CROSS COLLATERALIZATION AND CROSS DEFAULT.  The
parties hereto agree that the term loan provided for in paragraph
A  above  and  the $2,000,000 Term Note shall be secured  by  the
security   interests,   mortgages,  agreements   and   guarantees
described  in,  and  executed pursuant to, the Credit  Agreement.
Similarly, the said term loan and $2,000,000 Term Note shall also
be  subject  to  the Events of Default specified  in  the  Credit
Agreement.

           D.   MISCELLANEOUS PROVISIONS.

                 1.   The Borrower agrees that nothing contained
in this Third Amendment shall constitute a novation.

                2.   In consideration of the Bank's execution of
this  Third Amendment, the Borrower and the Guarantors do hereby
irrevocably waive any and all claims and/or defenses to  payment
on  the  indebtedness owed by any of them to the Banks that  may
exist as of the date of execution of this Third Amendment.

                 3.    The  Credit  Agreement,  as  amended  and
supplemented  by  this Third Amendment, is hereby  ratified  and
confirmed.

                 4.  THE INTERNAL LAWS OF THE STATE OF LOUISIANA
AND  OF THE UNITED STATES OF AMERICA SHALL GOVERN THE RIGHTS AND
DUTIES  OF  THE  PARTIES HERETO AND THE VALIDITY,  CONSTRUCTION,
ENFORCEMENT,  AND INTERPRETATION OF THE CREDIT  AGREEMENT,  THIS
THIRD  AMENDMENT,   AND ALL LOAN PAPERS EXECUTED  IN  CONNECTION
THEREWITH EXCEPT TO THE EXTENT OTHERWISE SPECIFIED IN THE CREDIT
AGREEMENT, AS AMENDED BY THIS THIRD AMENDMENT, OR IN ANY OF  THE
RELATED LOAN PAPERS.

                  5.    THE  CREDIT  AGREEMENT  AND  THIS  THIRD
AMENDMENT ARE CREDIT OR LOAN AGREEMENTS AS DESCRIBED IN LA. R.S.
6:  1121,  ET.  SEQ.  THERE ARE NO ORAL AGREEMENTS  BETWEEN  THE
BANKS AND THE BORROWER.

                 6.    THE CREDIT AGREEMENT, AS AMENDED BY  THIS
THIRD  AMENDMENT, SETS FORTH THE ENTIRE AGREEMENT OF THE PARTIES
WITH  RESPECT  TO THE SUBJECT MATTER HEREOF AND  SUPERSEDES  ALL
PRIOR  WRITTEN AND ORAL UNDERSTANDINGS BETWEEN THE BORROWER  AND
THE  GUARANTORS ON ONE HAND, AND THE BANKS AND/OR THE  AGENT  ON
THE  OTHER  HAND, WITH RESPECT TO THE MATTERS HEREIN SET  FORTH.
THE  CREDIT  AGREEMENT, AS AMENDED BY THIS THIRD AMENDMENT,  MAY
NOT  BE  MODIFIED  OR  AMENDED EXCEPT BY A  WRITING  SIGNED  AND
DELIVERED  BY THE BORROWER, THE GUARANTORS, THE BANKS,  AND  THE
AGENT.   THERE  ARE  NO  UNWRITTEN ORAL AGREEMENTS  BETWEEN  THE
PARTIES.

                 7.   IN THE EVENT IT IS NECESSARY FOR THE AGENT
AND/OR  THE  BANK  TO  RESORT  TO  JUDICIAL  ACTION  TO  ENFORCE
ITS/THEIR  RIGHTS  HEREUNDER, THEN THE BORROWER  AND  GUARANTORS
HEREBY AGREE THAT TO THE EXTENT PERMITTED BY APPLICABLE LAW  ANY
SUCH  JUDICIAL ACTION, INCLUDING ANY OPPOSITION TO SUCH  ACTION,
RECONVENTIONAL DEMANDS, AND CROSS CLAIMS, SHALL BE TRIED  BEFORE
A  JUDGE WITHOUT A JURY, ALL PARTIES HERETO HEREBY WAIVING THEIR
RIGHT TO A JURY TRIAL.


                           BORROWER:

                           NEWPARK RESOURCES, INC.


                           BY:______________________________
                              MATTHEW W. HARDEY, VICE
                              PRESIDENT OF FINANCE AND CHIEF
                              FINANCIAL OFFICER


                           GUARANTORS:


                           NEWPARK ENVIRONMENTAL SERVICES,
                           L.L.C.



                           By:________________________________
                              MATTHEW W. HARDEY, TREASURER


                           NEWPARK SHIPHOLDING TEXAS, L.P.
                           By:  Newpark Holdings, Inc., as
                                General Partner



                           By:________________________________
                              MATTHEW W. HARDEY,
                              VICE PRESIDENT


                           SOLOCO TEXAS, L.P.
                           By:  Newpark Holdings, Inc., as
                                General Partner



                           By:________________________________
                              MATTHEW W. HARDEY,
                              VICE PRESIDENT


                           BATSON-MILL, L.P.
                           By:  Newpark Holdings, Inc., as
                                General Partner



                           By:_______________________________
                              MATTHEW W. HARDEY,
                              VICE PRESIDENT



                           NEWPARK ENVIRONMENTAL SERVICES,
                           L.P.
                           By:  Newpark Holdings, Inc., as
                                General Partner



                           By:________________________________
                              MATTHEW W. HARDEY,
                              VICE PRESIDENT


                           MALLARD & MALLARD OF LA., INC.



                           By:_______________________________
                              MATTHEW W. HARDEY, TREASURER


                           SOLOCO, L.L.C.


                           By:______________________________
                              MATTHEW W. HARDEY, TREASURER


                           NEWPARK TEXAS, L.L.C.



                           By:______________________________
                              MATTHEW W. HARDEY,
                              VICE PRESIDENT


                           NEWPARK HOLDINGS, INC.



                           By:_____________________________
                              MATTHEW W. HARDEY,
                              VICE PRESIDENT


                           BANKS:

                           HIBERNIA NATIONAL BANK



                           By:____________________________

                           Title:_________________________

                           BANK ONE TEXAS, N.A.



                           By:____________________________

                           Title:_________________________

                           BANK ONE, LOUISIANA, N.A.



                           By:____________________________
                               Title: Vice President


                           AGENT:

                           BANK ONE, LOUISIANA, N.A.


                           By:____________________________
                               Title:  Vice-President


32983.327