UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                            -------------------------

                                    FORM 8-A/A
                                Amendment No. 2

               FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
                   PURSUANT TO SECTION 12(b) or 12(g) OF THE
                        SECURITIES EXCHANGE ACT OF 1934


                              SWIFT ENERGY COMPANY
             (Exact name of Registrant as specified in its charter)



            TEXAS                                               20-3940661
 (State or other jurisdiction                                (I.R.S. Employer
       of incorporation)                                     Identification No.)


16825 Northchase Drive, Suite 400
       Houston, Texas                                           77060
(Address of Principal Executive Offices)                      (ZIP Code)


       Securities to be registered pursuant to Section 12(b) of the Act:

       Title of each class                      Name of each exchange on which
       to be so registered                      each class is to be registered
       -------------------                      ------------------------------

   Preferred Share Purchase Rights              New York Stock Exchange


If this form relates to the  registration  of a class of securities  pursuant to
Section  12(b)  of  the  Exchange  Act  and is  effective  pursuant  to  General
Instruction A.(c), check the following box. X
                                           ----

If this form relates to the  registration  of a class of securities  pursuant to
Section  12(g)  of  the  Exchange  Act  and is  effective  pursuant  to  General
Instruction A.(d), check the following box.
                                           ----

Securities  Act  registration  statement file number to which this form relates:
None

Securities to be registered pursuant to Section 12(g) of the Act: None




Item 1.     Description of Registrant's Securities to be Registered.
            --------------------------------------------------------

     Reference is hereby made to the Registration Statement on Form 8-A filed on
August 11,  1997 and  Amendment  No. 1 on Form 8-A/A filed on April 7, 1999 (the
"Registration  Statement") with the Securities and Exchange  Commission by Swift
Energy Company, a Texas corporation (the "Company" or "Swift Energy"),  relating
to the rights  distributed to the  stockholders of the Company (the "Rights") in
connection with the Rights  Agreement dated as of August 1, 1997, as amended and
restated as of March 31, 1999,  amended as of December 12, 2005,  and amended as
of December 21, 2006 (the "Rights Agreement"),  between the Company and American
Stock  Transfer & Trust  Company,  as Rights  Agent (the  "Rights  Agent").  All
capitalized terms not defined in this  Registration  Statement have the meanings
assigned in the Rights Agreement.

     The  Registration  Statement is hereby amended by adding the following text
after the last paragraph of the Registration Statement:

     The Company  and the Rights  Agent have  entered  into  Amendment  No. 2 to
Rights Agreement,  dated as of December 21, 2006 ("Amendment No. 2").  Amendment
No. 2 amends the Rights Agreement to:

     - extend the "Final Expiration Date" to December 20, 2016; and

     - change  the  "Purchase  Price" to $250 for each one  one-thousandth  of a
       share of Preferred Stock purchasable upon exercise of a Right.

The preceding summary of the principal terms of the Amendment No. 2 is a general
description  only  and is  subject  to the  detailed  terms  and  conditions  of
Amendment  No. 2, which is  incorporated  herein by  reference to Exhibit 4.1 to
this Registration Statement on Form 8-A/A.

Item 2      Exhibits
            --------


     Exhibit No.     Exhibit Description
     -----------     -------------------
                               
        4.1*         Amendment No. 2 to Rights Agreement  dated  as  of  December
                     21, 2006

        4.2*         Specimen of Right Certificate included as an  attachment to
                     Amendment No. 2 to Rights  Agreement dated as  of  December
                     21, 2006 (included herewith in Exhibit 4.1).

        4.3          Amendment No. 1 to Rights  Agreement  dated  as of December
                     12, 2005,  incorporated   by  reference  to Exhibit  4.3 to
                     Current Report on Form 8-K  as filed with the Commission on
                     December 29, 2005.

        4.4          Rights Agreement dated as of August 1, 1997, as amended and
                     restated as of March 31, 1999, incorporated by reference to
                     Exhibit 4 to Registration Statement on Form 8-A/A Amendment
                     No. 1 as filed with the Commission on April 7, 1999.

---------------
*Filed herewith






                                   SIGNATURE

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

Date: December 22, 2006

                                         Swift Energy Company


                                         By:/s/ Terry E. Swift
                                            ------------------------------
                                            Terry E. Swift
                                            Chairman of the Board and
                                            Chief Executive Officer



                                 EXHIBIT INDEX



     Exhibit No.     Exhibit Description
     -----------     -------------------
                               
       4.1*          Amendment No. 2 to Rights Agreement dated  as  of  December
                     21, 2006

       4.2*          Specimen of Right Certificate included as an attachment to
                     Amendment No. 2 to Rights Agreement  dated  as  of December
                     21, 2006 (included herewith in Exhibit 4.1).

        4.3          Amendment No. 1 to Rights  Agreement  dated as of  December
                     12, 2005, incorporated by  reference  to  Exhibit  4.3   to
                     Current Report on Form 8-K as filed with  the Commission on
                     December 29, 2005.

        4.4          Rights Agreement dated as of August 1, 1997, as amended and
                     restated as of March 31, 1999, incorporated by reference to
                     Exhibit 4 to Registration Statement on Form 8-A/A Amendment
                     No. 1 as filed with the Commission on April 7, 1999.

---------------
*Filed herewith