As filed with the Securities and Exchange Commission on February 17, 1998
Registration No. 333-45197

================================================================================

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

AMENDMENT NO. 1
TO
FORM S-4
REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

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

NEWPARK RESOURCES, INC.
(Exact name of registrant as specified in its charter)

Delaware 1389 72-1123385
(State or other jurisdiction of (Primary Standard Industrial (I.R.S. Employer
incorporation or organization) Classification Code Number) Identification No.)

3850 NORTH CAUSEWAY, SUITE 1770
METAIRIE, LOUISIANA 70002
(504) 838-8222
(Address, including zip code, and telephone number, including area code, of
registrant's principal executive offices)

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

JAMES D. COLE, PRESIDENT
NEWPARK RESOURCES, INC.
3850 NORTH CAUSEWAY, SUITE 1770
METAIRIE, LOUISIANA 70002
(504) 838-8222
(Name, address, including zip code, and telephone number, including area code,
of agent for service)

Copy to:
HOWARD Z. BERMAN, ESQ.
ERVIN, COHEN & JESSUP LLP
9401 WILSHIRE BOULEVARD, 9TH FLOOR
BEVERLY HILLS, CALIFORNIA 90212
(310) 273-6333

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

Approximate date of commencement of proposed sale of the securities to the
public: As soon as practicable following the effectiveness of this Registration
Statement.

If the securities being registered on this Form are being offered in
connection with the formation of a holding company and there is compliance with
General Instruction G, check the following box. [_]

If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, check the following box and
list the Securities Act registration statement number of the earlier effective
registration statement for the same offering. [_]
---------

If this Form is a post-effective amendment filed pursuant to Rule 462(d)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. [_]
---------

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

THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF
THE SECURITIES ACT OF 1933 OR UNTIL THE REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(A),
MAY DETERMINE.

================================================================================

TABLE OF ADDITIONAL REGISTRANTS

STATE OR OTHER PRIMARY STANDARD
JURISDICTION OF INDUSTRIAL
EXACT NAME OF REGISTRANT AS INCORPORATION OR CLASSIFICATION CODE I.R.S. EMPLOYER
SPECIFIED IN ITS CHARTER ORGANIZATION NUMBER IDENTIFICATION NO.
- ----------------------------------------------------------------------------------------------------

SOLOCO, L.L.C. Louisiana 1389 72-1286785

SOLOCO Texas, L.P. Texas 1389 72-1284720

Batson-Mill, L.P. Texas 2421 72-1284721

Newpark Texas, L.L.C. Louisiana 6719 72-1286789

Newpark Holdings, Inc. Louisiana 6719 72-1286594

Newpark Environmental Louisiana 1389 72-0770718
Management Company L.L.C.

Newpark Environmental Texas 1389 72-1312748
Services of Texas L.P.

Newpark Drilling Fluids, Inc. Texas 2899 76-0294800

Supreme Contractors, Inc. Louisiana 1389 72-1089713

Excalibar Minerals, Inc. Texas 3295 93-1055876

Excalibar Minerals of LA, Louisiana 3295 72-1363543
L.L.C.

Chemical Technologies, Inc. Texas 2899 76-0476109

Newpark Texas Drilling Fluids, Texas 2899 76-0514960
L.P.

NES Permian Basin, L.P. Texas 1389 72-1397586

Newpark Environmental Delaware 1389 72-1335837
Services, Inc.

NID, L.P. Texas 1389 72-1347084

Bockmon Construction Texas 1389 74-1536217
Company, Inc.

Newpark Environmental Mississippi 1389 72-1373214
Services Mississippi, L.P.

Newpark Shipholding Texas, Texas 6719 72-1286763
L.P.
Mallard & Mallard of LA, Inc. Louisiana 6719 74-2062791

(1) The address, including zip code, and telephone number, including area code,
of each of the additional Registrant's executive offices is 3850 North
Causeway, Suite 1770, Metairie, Louisiana 70002, (504) 838-8222, and the
name, address, including zip code, and telephone number, including area
code, of agent for service, is James D. Cole, c/o Newpark Resources, Inc.,
3850 North Causeway, Suite 1770, Metairie, Louisiana 70002, (504) 838-8222.

ITEM 21. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a) Exhibits

4.1 Indenture, dated as of December 17, 1997, among Newpark Resources,
Inc., each of the Guarantors identified therein and State Street Bank
and Trust Company, as Trustee.*
4.2 Registration Rights Agreement, dated as of December 10, 1997, among
Newpark Resources, Inc., each of the Guarantors identified therein,
Merrill Lynch, Pierce, Fenner & Smith Incorporated, Deutsche Morgan
Grenfell Inc., and Salomon Brothers Inc.*
4.3 Form of the Newpark Resources, Inc. 8-5/8% Senior Subordinated Notes
due 2007, Series A (contained in the Indenture filed as Exhibit 4.1).*
4.4 Form of the Newpark Resources, Inc. 8-5/8% Senior Subordinated Notes
due 2007, Series B (contained in the Indenture filed as Exhibit 4.1).*
4.5 Form of Guarantees of the Newpark Resources, Inc. 8-5/8% Senior
Subordinated Notes due 2007 (contained in the Indenture filed as
Exhibit 4.1).*
5.1 Opinion of Ervin, Cohen & Jessup LLP.*
10.1 Purchase Agreement, dated as of December 10, 1997, among Newpark
Resources, Inc., each of the Guarantors identified therein, Merrill
Lynch, Pierce, Fenner & Smith Incorporated, Deutsche Morgan Grenfell
Inc., and Salomon Brothers Inc.*
12.1 Statements re computation of ratios of earnings to fixed charges.*
23.1 Consent of Deloitte & Touche LLP.*
23.2 Consent of Ervin, Cohen & Jessup LLP (included in Exhibit 5.1).*
24.1 Powers of Attorney.*
25.1 Form T-1 Statement of Eligibility under the Trust Indenture Act of
1939 of State Street Bank and Trust Company.*
99.1 Form of Letter of Transmittal.
99.2 Form of Notice of Guaranteed Delivery.
99.3 Form of Letter to Brokers, Dealers, Commercial Banks, Trust Companies
and Other Nominees.
99.4 Form of Letter to Clients.
- ------------
* Previously filed.

II-1

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, the registrant
has duly caused this Amendment No. 1 to Registration Statement to be signed on
its behalf by the undersigned, thereunto duly authorized, in the City of
Metairie, State of Louisiana on February 13, 1998.

NEWPARK RESOURCES, INC.

By /s/ Matthew W. Hardey
----------------------------------------
Matthew W. Hardey, Vice President of
Finance and Chief Financial Officer

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* Chairman of the Board, February 13, 1998
- --------------------------- President and Chief
James D. Cole Executive Officer

/s/ Matthew W. Hardey Vice President of Finance February 13, 1998
- --------------------------- and Chief Financial
Matthew W. Hardey Officer

Kathleen D. Lacoste* Controller February 13, 1998
- ---------------------------
Kathleen D. Lacoste

Wm. Thomas Ballantine* Executive Vice President February 13, 1998
- --------------------------- and Director
Wm. Thomas Ballantine

Dibo Attar* Director February 13, 1998
--------------------------
Dibo Attar

W.W. Goodson* Director February 13, 1998
- ---------------------------
W. W. Goodson

David P. Hunt* Director February 13, 1998
- ---------------------------
David P. Hunt

Dr. Alan J. Kaufman* Director February 13, 1998
- ---------------------------
Dr. Alan J. Kaufman

James H. Stone* Director February 13, 1998
- ---------------------------
James H. Stone

*By: /s/ Matthew W. Hardey
------------------------
Matthew W. Hardey
Attorney-in-Fact

II-2

SIGNATURES

SOLOCO, L.L.C.

By /s/ Matthew W. Hardey
-------------------------------------
Matthew W. Hardy, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* Chairman of the Board and February 13, 1998
- ------------------------- Chief Executive Officer
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- -------------------------- Financial Officer)
Matthew W. Hardey

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- --------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Vice President and Director February 13, 1998
--------------------------
Wm. Thomas Ballantine

Ronald Latiolais* President and Director February 13, 1998
- ---------------------------
Ronald Latiolais

*By: /s/ Matthew W. Hardey
------------------------
Matthew W. Hardey
Attorney-in-Fact

II-3

SIGNATURES

SOLOCO TEXAS, L.P.

By: Newpark Holdings, Inc., General Partner

By /s/ Matthew W. Hardey
-----------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* President and Director February 13, 1998
- --------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- --------------------------- Financial Officer) and
Matthew W. Hardey Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- ---------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Executive Vice President February 13, 1998
- ----------------------------- and Director
Wm. Thomas Ballantine

*By: /s/ Matthew W. Hardey
--------------------------
Matthew W. Hardey
Attorney-in-Fact

II-4

SIGNATURES

BATSON-MILL, L.P.

By: Newpark Holdings, Inc., General Partner

By /s/ Matthew W. Hardey
------------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* President and Director February 13, 1998
- -------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- -------------------------- Financial Officer) and
Matthew W. Hardey Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- --------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Executive Vice President February 13, 1998
- ---------------------------- and Director
Wm. Thomas Ballantine

*By: /s/ Matthew W. Hardey
-------------------------
Matthew W. Hardey
Attorney-in-Fact

II-5

SIGNATURES

NEWPARK TEXAS, L.L.C.

By /s/ Matthew W. Hardey
-------------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* President and Director February 13, 1998
- -------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- ------------------------- Financial Officer) and
Matthew W. Hardey Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- -------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Executive Vice President February 13, 1998
- --------------------------- and Director
Wm. Thomas Ballantine

*By: /s/ Matthew W. Hardey
----------------------------
Matthew W. Hardey
Attorney-in-Fact

II-6

SIGNATURES

NEWPARK HOLDINGS, INC.

By /s/ Matthew W. Hardey
-------------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* President and Director February 13, 1998
- -------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- -------------------------- Financial Officer) and
Matthew W. Hardey Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- --------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Executive Vice President February 13, 1998
- ---------------------------- and Director
Wm. Thomas Ballantine

*By: /s/ Matthew W. Hardey
--------------------------
Matthew W. Hardey
Attorney-in-Fact

II-7

SIGNATURES

NEWPARK ENVIRONMENTAL
MANAGEMENT COMPANY, L.L.C.

By /s/ Matthew W. Hardey
----------------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* Chairman of the Board February 13, 1998
- ----------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- ---------------------------- Financial Officer) and
Matthew W. Hardey Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- ---------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Vice President and February 13, 1998
- ----------------------------- Director
Wm. Thomas Ballantine

Frank Boudreaux* President and Director February 13, 1998
- -----------------------------
Frank Boudreaux

*By: /s/ Matthew W. Hardey
---------------------------
Matthew W. Hardey
Attorney-in-Fact

II-8

SIGNATURES

NEWPARK ENVIRONMENTAL SERVICES OF
TEXAS L.P.

By: Newpark Holdings, Inc., General Partner

By /s/ Matthew W. Hardey
------------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* President and Director February 13, 1998
- --------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- --------------------------- Financial Officer)
Matthew W. Hardey and Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- ---------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Executive Vice President February 13, 1998
- ----------------------------- and Director
Wm. Thomas Ballantine

*By: /s/ Matthew W. Hardey
------------------------------
Matthew W. Hardey
Attorney-in-Fact

II-9

SIGNATURES

NEWPARK DRILLING FLUIDS, INC.

By /s/ Matthew W. Hardey
------------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* Chairman of the Board February 13, 1998
- -------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- -------------------------- Financial Officer) and
Matthew W. Hardey Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- --------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Vice President and February 13, 1998
- --------------------------- Director
Wm. Thomas Ballantine

James A. Sampey* President and Director February 13, 1998
- ---------------------------
James A. Sampey

*By: /s/ Matthew W. Hardey
---------------------------
Matthew W. Hardey
Attorney-in-Fact

II-10

SIGNATURES

SUPREME CONTRACTORS, INC.

By /s/ Matthew W. Hardey
------------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* Chairman of the Board February 13, 1998
- --------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- --------------------------- Financial Officer)
Matthew W. Hardey

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- ---------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Vice President and February 13, 1998
--------------------------- Director
Wm. Thomas Ballantine

Mark L. Phillips* President and Director February 13, 1998
- ----------------------------
Mark L. Phillips

Ronald Latiolais* Vice President and February 13, 1998
- ---------------------------- Director
Ronald Latiolais

*By: /s/ Matthew W. Hardey
--------------------------
Matthew W. Hardey
Attorney-in-Fact

II-11

SIGNATURES

EXCALIBAR MINERALS, INC.

By /s/ Matthew W. Hardey
-----------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* Chairman of the Board February 13, 1998
- ---------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- ----------------------------- Financial Officer)
Matthew W. Hardey and Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- ----------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Vice President and February 13, 1998
- ----------------------------- Director
Wm. Thomas Ballantine

Thomas E. Eisenman* President and Director February 13, 1998
- -----------------------------
Thomas E. Eisenman

*By: /s/ Matthew W. Hardey
------------------------
Matthew W. Hardey
Attorney-in-Fact

II-12

SIGNATURES

EXCALIBAR MINERALS OF LA., L.L.C.

By /s/ Matthew W. Hardey
-------------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* Chairman of the Board February 13, 1998
- --------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- -------------------------- Financial Officer)
Matthew W. Hardey and Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- -------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Vice President and February 13, 1998
- -------------------------- Director
Wm. Thomas Ballantine

Thomas E. Eisenman* President and Director February 13, 1998
- --------------------------
Thomas E. Eisenman

*By: /s/ Matthew W. Hardey
---------------------
Matthew W. Hardey
Attorney-in-Fact

II-13

SIGNATURES

CHEMICAL TECHNOLOGIES, INC.

By /s/ Matthew W. Hardey
------------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* Chairman of the Board February 13, 1998
- --------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- -------------------------- Financial Officer)
Matthew W. Hardey and Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- -------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Vice President and February 13, 1998
- -------------------------- Director
Wm. Thomas Ballantine

James A. Sampey* President and Director February 13, 1998
- --------------------------
James A. Sampey

*By: /s/ Matthew W. Hardey
----------------------
Matthew W. Hardey
Attorney-in-Fact

II-14

SIGNATURES

NEWPARK TEXAS DRILLING FLUIDS, L.P.

By: Newpark Holdings, Inc., General Partner

By /s/ Matthew W. Hardey
------------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* President and Director February 13, 1998
- --------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- -------------------------- Financial Officer)
Matthew W. Hardey and Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- -------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Executive Vice President February 13, 1998
- -------------------------- and Director
Wm. Thomas Ballantine

*By: /s/ Matthew W. Hardey
---------------------
Matthew W. Hardey
Attorney-in-Fact

II-15

SIGNATURES

NES PERMIAN BASIN, L.P.

By: Newpark Holdings, Inc., General Partner

By /s/ Matthew W. Hardey
-------------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* President and Director February 13, 1998
- ---------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- ---------------------------- Financial Officer) and
Matthew W. Hardey Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- ---------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Executive Vice President February 13, 1998
- ---------------------------- and Director
Wm. Thomas Ballantine

*By: /s/ Matthew W. Hardey
------------------------
Matthew W. Hardey
Attorney-in-Fact

II-16

SIGNATURES

NEWPARK ENVIRONMENTAL SERVICES, INC.

By /s/ MATTHEW W. HARDEY
-------------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* Chairman of the Board February 13, 1998
- --------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- -------------------------- Financial Officer) and
Matthew W. Hardey Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- -------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Vice President and February 13, 1998
- -------------------------- Director Officer
Wm. Thomas Ballantine

Frank Boudreaux* President and Director February 13, 1998
- --------------------------
Frank Boudreaux

*By: /s/ Matthew W. Hardey
-------------------------
Matthew W. Hardey
Attorney-in-Fact

II-17

SIGNATURES

NID, L.P.

By: Newpark Holdings, Inc., General Partner

By /s/ Matthew W. Hardey
------------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* President and Director February 13, 1998
- ---------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- --------------------------- Financial Officer) and
Matthew W. Hardey Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- --------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Executive Vice President February 13, 1998
- --------------------------- and Director
Wm. Thomas Ballantine

*By: /s/ Matthew W. Hardey
------------------------
Matthew W. Hardey
Attorney-in-Fact

II-18

SIGNATURES

BOCKMON CONSTRUCTION COMPANY, INC.

By /s/ Matthew W. Hardey
-----------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* Chairman of the Board February 13, 1998
- -------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- ------------------------- Financial Officer) and
Matthew W. Hardey Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- ------------------------- Officer
Kathleen D. Lacoste

Hill Dishman* President and Director February 13, 1998
- -------------------------
Hill Dishman

Ronald Latiolais* Vice President and February 13, 1998
- ------------------------- Director
Ronald Latiolais

*By: /s/ Matthew W. Hardey
-----------------------
Matthew W. Hardey
Attorney-in-Fact

II-19

SIGNATURES

NEWPARK ENVIRONMENTAL SERVICES
MISSISSIPPI, L.P

By: Newpark Holdings, Inc., General Partner

By /s/ Matthew W. Hardey
-----------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* President and Director February 13, 1998
- -------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- ------------------------- Financial Officer) and
Matthew W. Hardey Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- ------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Executive Vice President February 13, 1998
- ------------------------- and Director
Wm. Thomas Ballantine

*By: /s/ Matthew W. Hardey
-----------------------
Matthew W. Hardey
Attorney-in-Fact

II-20

SIGNATURES

NEWPARK SHIPHOLDING TEXAS, L.P.

By: Newpark Holdings, Inc., General Partner

By /s/ Matthew W. Hardey
-----------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* President and Director February 13, 1998
- --------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- -------------------------- Financial Officer) and
Matthew W. Hardey Director

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- -------------------------- Officer
Kathleen D. Lacoste

Wm. Thomas Ballantine* Executive Vice President February 13, 1998
- -------------------------- and Director
Wm. Thomas Ballantine

*By: /s/ Matthew W. Hardey
------------------------
Matthew W. Hardey
Attorney-in-Fact

II-21

SIGNATURES

MALLARD & MALLARD OF LA, INC.

By /s/ Matthew W. Hardey
------------------------------------
Matthew W. Hardey, Vice President

Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

SIGNATURE TITLE DATE
--------- ----- ----

James D. Cole* Chairman of the Board February 13, 1998
- ------------------------
James D. Cole

/s/ Matthew W. Hardey Vice President (Principal February 13, 1998
- ------------------------- Financial Officer)
Matthew W. Hardey

Kathleen D. Lacoste* Principal Accounting February 13, 1998
- ------------------------- Officer
Kathleen D. Lacoste

Ronald Latiolais* President and Director February 13, 1998
- -------------------------
Ronald Latiolais

Wm. Thomas Ballantine* Vice President and February 13, 1998
- ------------------------- Director
Wm. Thomas Ballantine

*By: /s/ Matthew W. Hardey
-----------------------
Matthew W. Hardey
Attorney-in-Fact

II-22