As filed with the Securities and Exchange Commission on January 17, 2001
                                                      Registration No. 333-50358
================================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

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


                            AMERADA HESS CORPORATION
             (Exact name of registrant as specified in its charter)

                                    DELAWARE
         (State or other jurisdiction of incorporation or organization)

                                      1311
            (Primary Standard Industrial Classification Code Number)

                                   13-4921002
                      (I.R.S. Employer Identification No.)

                           1185 AVENUE OF THE AMERICAS
                            NEW YORK, NEW YORK 10036
                                 (212) 997-8500
                        (Address, including ZIP code, and
                           telephone number, including
                           area code, of registrant's
                               principal executive
                                    offices)

                           J. BARCLAY COLLINS II, ESQ.
                  EXECUTIVE VICE PRESIDENT AND GENERAL COUNSEL
                            AMERADA HESS CORPORATION
                           1185 AVENUE OF THE AMERICAS
                            NEW YORK, NEW YORK 10036
                                 (212) 997-8500
    (Name, address, including ZIP code, and telephone number, including area
                          code, of agent for service)

                                   Copies to:
                            TIMOTHY B. GOODELL, ESQ.
                                WHITE & CASE LLP
                           1155 AVENUE OF THE AMERICAS
                            NEW YORK, NEW YORK 10036
                                 (212) 819-8259


     Approximate  date of  commencement  of  proposed  sale to the  public:  Not
Applicable.

     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. |_| ___________


EXPLANATORY NOTE The purpose of this Post-Effective Amendment No. 1 to this Registration Statement on Form S-4 (the "Registration Statement") of Amerada Hess Corporation ("Amerada Hess") is to deregister the 17,200,000 shares of Amerada Hess' common stock, par value $1.00 per share, that were not issued in connection with the offer (the "Offer") by Amerada Hess for (i) all issued and to be issued ordinary shares of 25p each ("LASMO Shares") of LASMO plc ("LASMO") and (ii) all American Depositary Shares of LASMO, each representing three LASMO Shares and evidenced by American Depositary Receipts. The Offer expired on January 12, 2001 without the conditions to the Offer being satisfied.

SIGNATURES Pursuant to the requirements of the Securities Act, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New York, State of New York, on the 17th day of January, 2001. AMERADA HESS CORPORATION By /s/ J. BARCLAY COLLINS II ------------------------- Name: J. Barclay Collins II Title: Executive Vice President and General Counsel

POWER OF ATTORNEY Pursuant to the requirements of the Securities Act of 1933, as amended, this registration statement has been signed below by the following persons in the capacities and on the dates indicated. SIGNATURE TITLE DATE --------- ----- ---- /s/ JOHN B. HESS* --------------------------- John B. Hess Director, Chairman of the Board and January 17, 2001 Chief Executive Officer (Principal Executive Officer) /s/ W.S.H. LAIDLAW* -------------------- W.S.H. Laidlaw Director, President and Chief Operating January 17, 2001 Officer /s/ NICHOLAS F. BRADY* ----------------------- Nicholas F. Brady Director January 17, 2001 /s/ J. BARCLAY COLLINS II* --------------------------- J. Barclay Collins II Director January 17, 2001 /s/ PETER S. HADLEY* --------------------- Peter S. Hadley Director January 17, 2001 /s/ EDITH E. HOLIDAY* ---------------------- Edith E. Holiday Director January 17, 2001 /s/ WILLIAM R. JOHNSON* ------------------------ William R. Johnson Director January 17, 2001 /s/ THOMAS H. KEAN* -------------------- Thomas H. Kean Director January 17, 2001 /s/ FRANK A. OLSON* --------------------------- Frank A. Olson Director January 17, 2001 /s/ ROGER B. ORESMAN* ---------------------- Roger B. Oresman Director January 17, 2001 /s/ JOHN Y. SCHREYER* ---------------------- John Y. Schreyer Director, Executive Vice President and January 17, 2001 Chief Financial Officer (Principal Accounting and Financial Officer) /s/ WILLIAM I. SPENCER* ------------------------ William I. Spencer Director January 17, 2001 /s/ ROBERT N. WILSON* Director January 17, 2001 ---------------------- Robert N. Wilson /s/ ROBERT F. WRIGHT* ---------------------- Robert F. Wright Director January 17, 2001 *By: /s/ J. BARCLAY COLLINS II ------------------------- J. Barclay Collins II Attorney-in-fact