SONAT INC
S-3MEF, 1999-07-07
NATURAL GAS TRANSMISSION
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                                                   REGISTRATION NO. 333-
================================================================================
- --------------------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                     --------------------------------------
                                    FORM S-3
                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933
                     --------------------------------------
                                   SONAT INC.
             (Exact name of registrant as specified in its charter)

                DELAWARE                               63-0647939
      (State or other jurisdiction                  (I.R.S. Employer
   of incorporation or organization)               Identification No.)

                               AMSOUTH-SONAT TOWER
                            BIRMINGHAM, ALABAMA 35203
                                 (205) 325-3800
    (Address, including zip code, and telephone number, including area code,
                  of registrant's principal executive offices)
                     --------------------------------------
                                WILLIAM A. SMITH
                               AMSOUTH-SONAT TOWER
                            BIRMINGHAM, ALABAMA 35203
                                 (205)-325-7410
    (Name, address, including zip code, and telephone number, including area
                           code, of agent for service)

       IT IS RESPECTFULLY REQUESTED THAT COPIES OF ALL ORDERS, NOTICES AND
                           COMMUNICATIONS BE SENT TO:

             JOHN K. HOYNS                       ROBERT E. BUCKHOLZ, JR.
        HUGHES HUBBARD & REED LLP                  SULLIVAN & CROMWELL
         ONE BATTERY PARK PLAZA                     125 BROAD STREET
        NEW YORK, NEW YORK 10004                 NEW YORK, NEW YORK 10004
                        --------------------------------------
        APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:
 As soon as practicable after this Registration Statement is declared effective
                     --------------------------------------
     If the only  securities  being  registered  on the Form are  being  offered
pursuant to dividend or interest  reinvestment plans, please check the following
box: |_|

     If any of the securities being registered on this Form are to be offered on
a delayed or continuous  basis  pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, please check the following box: |X|

     If this Form is filed to  register  additional  securities  for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  number  of the  earlier  effective
registration statement for the same offering: |X| 333-62383

     If this Form is a  post-effective  amendment  filed pursuant to Rule 462(c)
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 delivery of the prospectus is expected to be made pursuant to Rule  434,
please check the following box:  |_|
                     --------------------------------------
<TABLE>
<CAPTION>

                         CALCULATION OF REGISTRATION FEE
================================================================================
                   |              |  PROPOSED   |  PROPOSED      |
 TITLE OF EACH     |              |  MAXIMUM    |  MAXIMUM       |
     CLASS         |    AMOUNT    |  OFFERING   |  AGGREGATE     |   AMOUNT OF
 OF SECURITIES     |    TO BE     |  PRICE PER  |  OFFERING      | REGISTRATION
TO BE REGISTERED   |  REGISTERED  |  UNIT       |  PRICE         |      FEE
- --------------------------------------------------------------------------------
<S>                  <C>             <C>           <C>               <C>
Debt Securities... | $100,000,000 |  100%*      |  $100,000,000  |   $27,800
================================================================================

</TABLE>

* Plus accrued interest, if any. Estimated solely for the purpose of calculating
  the registration fee.
- --------------------------------------------------------------------------------
================================================================================

<PAGE>

                                EXPLANATORY NOTE

      This  Registration  Statement is being filed pursuant to Rule 462(b) under
the  Securities  Act of 1933,  as  amended.  The  contents  of the  registrant's
Registration Statement on Form S-3 (Registration No. 333-62383) are incorporated
herein by reference.

<TABLE>
<CAPTION>


                                    EXHIBITS

   EXHIBIT
     NO.                            DESCRIPTION OF EXHIBIT
- ---------------------------------------------------------------------------------
   <S>        <C>
    5-(1)     Opinion of Hughes Hubbard & Reed  LLP  as  to  the legality of the
              Debt Securities
   23-(1)     The  consent  of  Hughes  Hubbard & Reed LLP is  contained  in its
              opinion filed as Exhibit 5-(1) to this Registration Statement
   23-(2)     Consent of Ernst & Young LLP, Independent Auditors
   23-(3)     Consent of KPMG LLP, Independent Auditors
   23-(4)     Consent of PricewaterhouseCoopers LLP, Independent Auditors
   23-(5)     Consent  of  William  M.  Cobb &   Associates,  Inc.,  Independent
              Petroleum Engineers
   23-(6)     Consent of Ryder Scott Company Petroleum Engineers
   24-(1)     Powers of Attorney

</TABLE>

<PAGE>


                                   SIGNATURES

      Pursuant to the requirements of the Securities Act of 1933, the registrant
certifies  that it has  reasonable  grounds to believe  that it meets all of the
requirements  for  filing  on Form S-3 and has  duly  caused  this  Registration
Statement  to be  signed  on its  behalf  by  the  undersigned,  thereunto  duly
authorized, in the city of Birmingham, State of Alabama, on the 7th day of July,
1999.

                                          SONAT INC.



                                          By:  /s/ RONALD L. KUEHN, JR.
                                               ---------------------------------
                                                  Ronald L. Kuehn, Jr.
                                            Chairman of the Board, President and
                                                Chief Executive Officer

      Pursuant  to  the  requirements  of  the  Securities  Act  of  1933,  this
Registration  Statement  has been signed below by the  following  persons in the
capacities and on the dates indicated.

<TABLE>
<CAPTION>

            SIGNATURE                     CAPACITY                DATE
            ---------                     --------                ----
<S>                                 <C>                         <C>
(i) Principal Executive Officer:

     /S/ RONALD L. KUEHN, JR.       Chairman of the Board,      July 7, 1999
     ------------------------       President and Chief
      (Ronald L. Kuehn, Jr.)        Executive Officer

(ii) Principal Financial and
      Accounting Officer:

     /S/ JAMES E. MOYLAN, JR.       Senior Vice President and   July 7, 1999
     ------------------------       and Chief Financial
      (James E. Moylan, Jr.)        Officer

<PAGE>


            SIGNATURE                     CAPACITY                DATE
            ---------                     --------                ----

(iii) Directors:

       RONALD L. KUEHN, JR.*                                    July 7, 1999
    -------------------------
      (Ronald L. Kuehn, Jr.)

       ROBERT J. LANIGAN*                                       July 7, 1999
    -------------------------
       (Robert J. Lanigan)

       MAX L. LUKENS*                                           July 7, 1999
    -------------------------
        (Max L. Lukens)


    -------------------------
        (Charles Marshall)

       BENJAMIN F. PAYTON*                                      July 7, 1999
    -------------------------
       (Benjamin F. Payton)


    -------------------------
      (John J. Phelan, Jr.)

      JEROME J. RICHARDSON*                                     July 7, 1999
    -------------------------
      (Jerome J. Richardson)


    -------------------------
       (Adrian M. Tocklin)

       JAMES B. WILLIAMS*                                       July 7, 1999
    -------------------------
       (James B. Williams)

         JOE B. WYATT*                                          July 7, 1999
    -------------------------
         (Joe B. Wyatt)

       MICHAEL S. ZILKHA*                                       July 7, 1999
    -------------------------
       (Michael S. Zilkha)

        SELIM K. ZILKHA*                                        July 7, 1999
    -------------------------
        (Selim K. Zilkha)

 *By: /S/ JAMES E. MOYLAN, JR.
      ------------------------
          James E. Moylan, Jr.
      Senior Vice President and
      Chief Financial Officer
      As Authorized by certain
      Powers of Attorney
      filed as Exhibit 24-(1)

</TABLE>




                                                                   EXHIBIT 5-(1)

<TABLE>
<CAPTION>

<S>                                             <C>
Hughes Hubbard & Reed LLP
- -------------------------                       One Battery Park Plaza
                                                New York, New York 10004-1482
                                                Telephone: 212-837-6000
                                                Facsimile: 212-422-4726

</TABLE>

                                          July 7, 1999



Sonat Inc.
AmSouth-Sonat Tower
Birmingham, Alabama  35203

Dear Sirs:

      You have  requested  our  opinion  in  connection  with  the  Registration
Statement  on Form  S-3 to be  filed  by Sonat  Inc.  (the  "Company")  with the
Securities and Exchange Commission under the Securities Act of 1933, as amended,
to which this  opinion  letter will be filed as an exhibit,  with respect to the
proposed  issuance and sale by the Company of $100,000,000  aggregate  principal
amount of debt securities of the Company (the "Debt  Securities") on terms to be
determined  at the  time of the  sale.  The  Debt  Securities  are to be  issued
pursuant to an Indenture  dated as of June 1, 1996,  between the Company and The
Chase  Manhattan Bank (formerly  known as Chemical Bank,  successor by merger to
Manufacturers   Hanover  Trust  Company),   as  Trustee  (the   "Trustee"),   as
supplemented  by the First  Supplemental  Indenture,  dated as of June 1,  1995,
between the Company and the Trustee (as so supplemented,  the  "Indenture").  We
have  examined  such  corporate  records and other  documents and have made such
examinations of law as we have deemed relevant.

      It is  our  opinion  that  when  (a)  the  applicable  provisions  of  the
Securities  Act of 1933, as amended,  and such "Blue Sky" or securities  laws as
may be  applicable  shall have been  complied  with and (b) the Debt  Securities
shall have been duly authorized by the Company as contemplated by the Indenture,
subject to the terms of such Debt Securities  being otherwise in compliance with
then  applicable  law, and duly executed,  authenticated  and delivered  against
payment  therefor,  the Debt  Securities  will be  legally  issued  and  binding
obligations of the Company.

      We hereby  consent  to the  filing of this  opinion  as an exhibit to said
Registration  Statement  and we  further  consent  to the use of our name in the
Registration  Statement  under the  caption  "Legal  Opinions."  In giving  this
consent,  we do not thereby  admit that we are in the category of persons  whose
consent is required  under Section 7 of the  Securities Act of 1933, as amended,
or  the  rules  and  regulations  of  the  Securities  and  Exchange  Commission
thereunder.


                                          Very truly yours,


                                          Hughes Hubbard & Reed LLP




                                                                  EXHIBIT 23-(2)
                                                                  --------------





                         CONSENT OF INDEPENDENT AUDITORS




We  consent to the  reference  to our firm under the  caption  "Experts"  in the
Registration  Statement (Form S-3) and the related  Prospectus of Sonat Inc. for
the registration of $100,000,000 of debt securities and to the  incorporation by
reference  therein of our report  dated  January 19,  1999,  with respect to the
consolidated  financial  statements  and schedule of Sonat Inc.  included in its
Annual Report (Form 10-K) for the year ended  December 31, 1998,  filed with the
Securities and Exchange Commission.




                                          ERNST & YOUNG LLP


Birmingham, Alabama
July 6, 1999



                                                                  EXHIBIT 23-(3)












The Board of Directors
Sonat Exploration GOM Inc.
(formerly Zilkha Energy Company)

We consent to the  incorporation by reference in the  registration  statement on
Form S-3,  expected  to be filed on July 7, 1999,  of Sonat  Inc.  of our report
dated  December 8, 1997,  with respect to the  Statements of Operations and Cash
Flows of Zilkha Energy Company for the year ended December 31, 1996 which report
appears in the Form 8-K of Sonat Inc.  dated April 23, 1998 and is  incorporated
by reference in the Form 10-K of Sonat Inc. dated March 24, 1999.

Our report, dated December 8, 1997, refers to a change in accounting for oil and
gas properties from the full cost method to the successful efforts method.

We also consent to the reference to our firm under the heading  "Experts" in the
prospectus supplement.



                                          KPMG LLP



Houston, Texas
July 7, 1999




                                                                  EXHIBIT 23-(4)

                       CONSENT OF INDEPENDENT ACCOUNTANTS
                       ----------------------------------


We  hereby  consent  to the  incorporation  by  reference  in this  Registration
Statement of Sonat Inc. (the "Company") on Form S-3 of our report dated March 9,
1999 relating to El Paso Energy Corporation's  consolidated financial statements
as of December 31, 1998 and 1997,  and for each of the three years in the period
ended December 31, 1998,  which appears in the Company's  Current Report on Form
8-K dated July 6, 1999. We also consent to the reference to us under the heading
"Experts" in the Prospectus Supplement relating to such Registration Statement.





PricewaterhouseCoopers LLP

Houston, Texas
July 7, 1999




                                                                  EXHIBIT 23-(5)






                  CONSENT OF INDEPENDENT PETROLEUM ENGINEERS


We hereby  consent  to the  references  to us and to the use of the  information
derived from our reserve report on the interests of Sonat  Exploration  GOM Inc.
(formerly Zilkha Energy Company) ("Sonat GOM"), dated January 14, 1999, relating
to the estimated  quantities of certain of Sonat GOM's proved  reserves,  in the
Sonat  Inc.  Annual  Report  on Form  10-K for 1998  under  the  caption  "Sonat
Exploration  Company" and to the  incorporation  by reference of such references
and  information  in the  Registration  Statement  (Form  S-3)  and the  related
Prospectus  of  Sonat  Inc.  for  the   registration  of  up  to  an  additional
$100,000,000 of debt  securities to be offered  together with the offering under
Registration  Statement  No.  333-62383.  We also  consent to our being named as
experts for purposes of such Registration Statement.


                                         WILLIAM M. COBB & ASSOCIATES, INC.



                                         By  /S/ Frank J. Marek
                                           ---------------------------------




Dallas, Texas
July 2, 1999






                                                                  EXHIBIT 23-(6)






                  CONSENT OF INDEPENDENT PETROLEUM ENGINEERS



            We hereby  consent to the references to us relating to the estimated
quantities of certain of Sonat  Exploration  Company's proved  reserves,  in the
Sonat  Inc.  Annual  Report  on Form  10-K for 1998  under  the  caption  "Sonat
Exploration  Company" and to the  incorporation  by reference of such references
and  information  in the  Registration  Statement  (Form  S-3)  and the  related
Prospectus  of  Sonat  Inc.  for  the   registration  of  up  to  an  additional
$100,000,000 of debt  securities to be offered  together with the offering under
Registration  Statement  No.  333-62383.  We also  consent to our being named as
experts for purposes of such Registration Statement.


                                     /S/ RYDER SCOTT COMPANY PETROLEUM ENGINEERS

                                     RYDER SCOTT COMPANY, L.P.



Houston, Texas
July 2, 1999





                                                                  EXHIBIT 24-(1)

                                POWER OF ATTORNEY




      KNOW ALL  PERSONS  BY THESE  PRESENTS,  that the  undersigned,  a director
and/or officer of Sonat Inc. (the "Company"), does hereby constitute and appoint
Ronald L. Kuehn,  Jr.; James E. Moylan,  Jr.; and William A. Smith,  and each of
them,  the   undersigned's   true  and  lawful   attorneys  to  execute  in  the
undersigned's  name  (whether  on  behalf of the  Company  or as an  officer  or
director of the Company) a Registration Statement and any and all amendments and
supplements  thereto to be filed with the  Securities  and  Exchange  Commission
under  the  Securities  Act of 1933  relating  to up to  $100,000,000  aggregate
principal  amount  of  debt  securities  of  the  Company  for  the  purpose  of
registering  additional  debt  securities  to be offered  together with the debt
securities  registered  pursuant to the  Company's  Registration  Statement  No.
333-62383,  and to file  all  exhibits  thereto,  and  any  other  documents  in
connection  therewith,   with  the  Securities  and  Exchange  Commission.   The
undersigned  does hereby ratify and confirm all that said  attorneys and agents,
and each of them,  shall do or cause to be done by virtue  hereof.  Each of such
attorneys  shall  have and may  exercise  all  powers to act  hereunder  with or
without the others.

      IN WITNESS  WHEREOF,  the  undersigned has signed the  undersigned's  name
hereto as of June 29, 1999.



                                                /s/ Ronald L. Kuehn, Jr.
                                         ---------------------------------------
                                         Name:  Ronald L. Kuehn, Jr.


<PAGE>


                                POWER OF ATTORNEY




      KNOW ALL  PERSONS  BY THESE  PRESENTS,  that the  undersigned,  a director
and/or officer of Sonat Inc. (the "Company"), does hereby constitute and appoint
Ronald L. Kuehn,  Jr.; James E. Moylan,  Jr.; and William A. Smith,  and each of
them,  the   undersigned's   true  and  lawful   attorneys  to  execute  in  the
undersigned's  name  (whether  on  behalf of the  Company  or as an  officer  or
director of the Company) a Registration Statement and any and all amendments and
supplements  thereto to be filed with the  Securities  and  Exchange  Commission
under  the  Securities  Act of 1933  relating  to up to  $100,000,000  aggregate
principal  amount  of  debt  securities  of  the  Company  for  the  purpose  of
registering  additional  debt  securities  to be offered  together with the debt
securities  registered  pursuant to the  Company's  Registration  Statement  No.
333-62383,  and to file  all  exhibits  thereto,  and  any  other  documents  in
connection  therewith,   with  the  Securities  and  Exchange  Commission.   The
undersigned  does hereby ratify and confirm all that said  attorneys and agents,
and each of them,  shall do or cause to be done by virtue  hereof.  Each of such
attorneys  shall  have and may  exercise  all  powers to act  hereunder  with or
without the others.

      IN WITNESS  WHEREOF,  the  undersigned has signed the  undersigned's  name
hereto as of July 2, 1999.



                                                /s/ Robert J. Lanigan
                                         ---------------------------------------
                                         Name:  Robert J. Lanigan


<PAGE>

                                POWER OF ATTORNEY




      KNOW ALL  PERSONS  BY THESE  PRESENTS,  that the  undersigned,  a director
and/or officer of Sonat Inc. (the "Company"), does hereby constitute and appoint
Ronald L. Kuehn,  Jr.; James E. Moylan,  Jr.; and William A. Smith,  and each of
them,  the   undersigned's   true  and  lawful   attorneys  to  execute  in  the
undersigned's  name  (whether  on  behalf of the  Company  or as an  officer  or
director of the Company) a Registration Statement and any and all amendments and
supplements  thereto to be filed with the  Securities  and  Exchange  Commission
under  the  Securities  Act of 1933  relating  to up to  $100,000,000  aggregate
principal  amount  of  debt  securities  of  the  Company  for  the  purpose  of
registering  additional  debt  securities  to be offered  together with the debt
securities  registered  pursuant to the  Company's  Registration  Statement  No.
333-62383,  and to file  all  exhibits  thereto,  and  any  other  documents  in
connection  therewith,   with  the  Securities  and  Exchange  Commission.   The
undersigned  does hereby ratify and confirm all that said  attorneys and agents,
and each of them,  shall do or cause to be done by virtue  hereof.  Each of such
attorneys  shall  have and may  exercise  all  powers to act  hereunder  with or
without the others.

      IN WITNESS  WHEREOF,  the  undersigned has signed the  undersigned's  name
hereto as of July 2, 1999.



                                                /s/ Max L. Lukens
                                         ---------------------------------------
                                         Name:  Max L. Lukens


<PAGE>

                                POWER OF ATTORNEY




      KNOW ALL  PERSONS  BY THESE  PRESENTS,  that the  undersigned,  a director
and/or officer of Sonat Inc. (the "Company"), does hereby constitute and appoint
Ronald L. Kuehn,  Jr.; James E. Moylan,  Jr.; and William A. Smith,  and each of
them,  the   undersigned's   true  and  lawful   attorneys  to  execute  in  the
undersigned's  name  (whether  on  behalf of the  Company  or as an  officer  or
director of the Company) a Registration Statement and any and all amendments and
supplements  thereto to be filed with the  Securities  and  Exchange  Commission
under  the  Securities  Act of 1933  relating  to up to  $100,000,000  aggregate
principal  amount  of  debt  securities  of  the  Company  for  the  purpose  of
registering  additional  debt  securities  to be offered  together with the debt
securities  registered  pursuant to the  Company's  Registration  Statement  No.
333-62383,  and to file  all  exhibits  thereto,  and  any  other  documents  in
connection  therewith,   with  the  Securities  and  Exchange  Commission.   The
undersigned  does hereby ratify and confirm all that said  attorneys and agents,
and each of them,  shall do or cause to be done by virtue  hereof.  Each of such
attorneys  shall  have and may  exercise  all  powers to act  hereunder  with or
without the others.

      IN WITNESS  WHEREOF,  the  undersigned has signed the  undersigned's  name
hereto as of June 29, 1999.



                                                /s/ Benjamin F. Payton
                                         ---------------------------------------
                                         Name:  Benjamin F. Payton


<PAGE>

                                POWER OF ATTORNEY




      KNOW ALL  PERSONS  BY THESE  PRESENTS,  that the  undersigned,  a director
and/or officer of Sonat Inc. (the "Company"), does hereby constitute and appoint
Ronald L. Kuehn,  Jr.; James E. Moylan,  Jr.; and William A. Smith,  and each of
them,  the   undersigned's   true  and  lawful   attorneys  to  execute  in  the
undersigned's  name  (whether  on  behalf of the  Company  or as an  officer  or
director of the Company) a Registration Statement and any and all amendments and
supplements  thereto to be filed with the  Securities  and  Exchange  Commission
under  the  Securities  Act of 1933  relating  to up to  $100,000,000  aggregate
principal  amount  of  debt  securities  of  the  Company  for  the  purpose  of
registering  additional  debt  securities  to be offered  together with the debt
securities  registered  pursuant to the  Company's  Registration  Statement  No.
333-62383,  and to file  all  exhibits  thereto,  and  any  other  documents  in
connection  therewith,   with  the  Securities  and  Exchange  Commission.   The
undersigned  does hereby ratify and confirm all that said  attorneys and agents,
and each of them,  shall do or cause to be done by virtue  hereof.  Each of such
attorneys  shall  have and may  exercise  all  powers to act  hereunder  with or
without the others.

      IN WITNESS  WHEREOF,  the  undersigned has signed the  undersigned's  name
hereto as of July 2, 1999.



                                                /s/ Jerome J. Richardson
                                         ---------------------------------------
                                         Name:  Jerome J. Richardson


<PAGE>

                                POWER OF ATTORNEY




      KNOW ALL  PERSONS  BY THESE  PRESENTS,  that the  undersigned,  a director
and/or officer of Sonat Inc. (the "Company"), does hereby constitute and appoint
Ronald L. Kuehn,  Jr.; James E. Moylan,  Jr.; and William A. Smith,  and each of
them,  the   undersigned's   true  and  lawful   attorneys  to  execute  in  the
undersigned's  name  (whether  on  behalf of the  Company  or as an  officer  or
director of the Company) a Registration Statement and any and all amendments and
supplements  thereto to be filed with the  Securities  and  Exchange  Commission
under  the  Securities  Act of 1933  relating  to up to  $100,000,000  aggregate
principal  amount  of  debt  securities  of  the  Company  for  the  purpose  of
registering  additional  debt  securities  to be offered  together with the debt
securities  registered  pursuant to the  Company's  Registration  Statement  No.
333-62383,  and to file  all  exhibits  thereto,  and  any  other  documents  in
connection  therewith,   with  the  Securities  and  Exchange  Commission.   The
undersigned  does hereby ratify and confirm all that said  attorneys and agents,
and each of them,  shall do or cause to be done by virtue  hereof.  Each of such
attorneys  shall  have and may  exercise  all  powers to act  hereunder  with or
without the others.

      IN WITNESS  WHEREOF,  the  undersigned has signed the  undersigned's  name
hereto as of June 29, 1999.



                                                /s/ James B. Williams
                                         ---------------------------------------
                                         Name:  James B. Williams


<PAGE>

                                POWER OF ATTORNEY




      KNOW ALL  PERSONS  BY THESE  PRESENTS,  that the  undersigned,  a director
and/or officer of Sonat Inc. (the "Company"), does hereby constitute and appoint
Ronald L. Kuehn,  Jr.; James E. Moylan,  Jr.; and William A. Smith,  and each of
them,  the   undersigned's   true  and  lawful   attorneys  to  execute  in  the
undersigned's  name  (whether  on  behalf of the  Company  or as an  officer  or
director of the Company) a Registration Statement and any and all amendments and
supplements  thereto to be filed with the  Securities  and  Exchange  Commission
under  the  Securities  Act of 1933  relating  to up to  $100,000,000  aggregate
principal  amount  of  debt  securities  of  the  Company  for  the  purpose  of
registering  additional  debt  securities  to be offered  together with the debt
securities  registered  pursuant to the  Company's  Registration  Statement  No.
333-62383,  and to file  all  exhibits  thereto,  and  any  other  documents  in
connection  therewith,   with  the  Securities  and  Exchange  Commission.   The
undersigned  does hereby ratify and confirm all that said  attorneys and agents,
and each of them,  shall do or cause to be done by virtue  hereof.  Each of such
attorneys  shall  have and may  exercise  all  powers to act  hereunder  with or
without the others.

      IN WITNESS  WHEREOF,  the  undersigned has signed the  undersigned's  name
hereto as of June 29, 1999.



                                                /s/ Joe B. Wyatt
                                         ---------------------------------------
                                         Name:  Joe B. Wyatt


<PAGE>

                                POWER OF ATTORNEY




      KNOW ALL  PERSONS  BY THESE  PRESENTS,  that the  undersigned,  a director
and/or officer of Sonat Inc. (the "Company"), does hereby constitute and appoint
Ronald L. Kuehn,  Jr.; James E. Moylan,  Jr.; and William A. Smith,  and each of
them,  the   undersigned's   true  and  lawful   attorneys  to  execute  in  the
undersigned's  name  (whether  on  behalf of the  Company  or as an  officer  or
director of the Company) a Registration Statement and any and all amendments and
supplements  thereto to be filed with the  Securities  and  Exchange  Commission
under  the  Securities  Act of 1933  relating  to up to  $100,000,000  aggregate
principal  amount  of  debt  securities  of  the  Company  for  the  purpose  of
registering  additional  debt  securities  to be offered  together with the debt
securities  registered  pursuant to the  Company's  Registration  Statement  No.
333-62383,  and to file  all  exhibits  thereto,  and  any  other  documents  in
connection  therewith,   with  the  Securities  and  Exchange  Commission.   The
undersigned  does hereby ratify and confirm all that said  attorneys and agents,
and each of them,  shall do or cause to be done by virtue  hereof.  Each of such
attorneys  shall  have and may  exercise  all  powers to act  hereunder  with or
without the others.

      IN WITNESS  WHEREOF,  the  undersigned has signed the  undersigned's  name
hereto as of June 29, 1999.



                                                /s/ Michael S. Zilkha
                                         ---------------------------------------
                                         Name:  Michael S. Zilkha


<PAGE>

                                POWER OF ATTORNEY




      KNOW ALL  PERSONS  BY THESE  PRESENTS,  that the  undersigned,  a director
and/or officer of Sonat Inc. (the "Company"), does hereby constitute and appoint
Ronald L. Kuehn,  Jr.; James E. Moylan,  Jr.; and William A. Smith,  and each of
them,  the   undersigned's   true  and  lawful   attorneys  to  execute  in  the
undersigned's  name  (whether  on  behalf of the  Company  or as an  officer  or
director of the Company) a Registration Statement and any and all amendments and
supplements  thereto to be filed with the  Securities  and  Exchange  Commission
under  the  Securities  Act of 1933  relating  to up to  $100,000,000  aggregate
principal  amount  of  debt  securities  of  the  Company  for  the  purpose  of
registering  additional  debt  securities  to be offered  together with the debt
securities  registered  pursuant to the  Company's  Registration  Statement  No.
333-62383,  and to file  all  exhibits  thereto,  and  any  other  documents  in
connection  therewith,   with  the  Securities  and  Exchange  Commission.   The
undersigned  does hereby ratify and confirm all that said  attorneys and agents,
and each of them,  shall do or cause to be done by virtue  hereof.  Each of such
attorneys  shall  have and may  exercise  all  powers to act  hereunder  with or
without the others.

      IN WITNESS  WHEREOF,  the  undersigned has signed the  undersigned's  name
hereto as of June 30, 1999.



                                                /s/ Selim K. Zilkha
                                         ---------------------------------------
                                         Name:  Selim K. Zilkha



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