EXHIBIT 25.1


                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM T-1

                            STATEMENT OF ELIGIBILITY
                      UNDER THE TRUST INDENTURE ACT OF 1939
                  OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE

                CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY
                   OF A TRUSTEE PURSUANT TO SECTION 305(b)(2)

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

                         BANK ONE, NATIONAL ASSOCIATION
               (EXACT NAME OF TRUSTEE AS SPECIFIED IN ITS CHARTER)

         A NATIONAL BANKING ASSOCIATION                36-0899825
                                                       (I.R.S. EMPLOYER
                                                       IDENTIFICATION NUMBER)

         1 BANK ONE PLAZA, CHICAGO, ILLINOIS           60670
         (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)      (ZIP CODE)

                         BANK ONE, NATIONAL ASSOCIATION
                                1 BANK ONE PLAZA
                             CHICAGO, ILLINOIS 60670
           ATTN: SANDRA L. CARUBA, FIRST VICE PRESIDENT (312) 336-9436
            (NAME, ADDRESS AND TELEPHONE NUMBER OF AGENT FOR SERVICE)

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

                              SWIFT ENERGY COMPANY
               (EXACT NAME OF OBLIGOR AS SPECIFIED IN ITS CHARTER)

TEXAS                                                  74-2073055
(STATE OR OTHER JURISDICTION OF                        (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)                         IDENTIFICATION NUMBER)

16825 NORTHCHASE DR., SUITE 400                        77060
HOUSTON, TEXAS                                         (ZIP CODE)
(ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)


                                 DEBT SECURITIES
                         (TITLE OF INDENTURE SECURITIES)





ITEM 1.  GENERAL INFORMATION. FURNISH THE FOLLOWING INFORMATION AS TO THE
         TRUSTEE:

                  (a)   NAME AND ADDRESS OF EACH EXAMINING OR SUPERVISING
                        AUTHORITY TO WHICH IT IS SUBJECT.

                  Comptroller of Currency, Washington, D.C., Federal Deposit
                  Insurance Corporation, Washington, D.C., The Board of
                  Governors of the Federal Reserve System, Washington D.C.

                  (b)   WHETHER IT IS AUTHORIZED TO EXERCISE CORPORATE TRUST
                        POWERS.

                  The trustee is authorized to exercise corporate trust powers.

ITEM 2.  AFFILIATIONS WITH THE OBLIGOR.  IF THE OBLIGOR IS AN AFFILIATE OF THE
         TRUSTEE, DESCRIBE EACH SUCH AFFILIATION.

                  No such affiliation exists with the trustee.


ITEM 16. LIST OF EXHIBITS. LIST BELOW ALL EXHIBITS FILED AS A PART OF THIS
         STATEMENT OF ELIGIBILITY.

                  1.    A copy of the articles of association of the trustee now
                        in effect.*

                  2.    A copy of the certificates of authority of the trustee
                        to commence business.*

                  3.    A copy of the authorization of the trustee to exercise
                        corporate trust powers.*

                  4.    A copy of the existing by-laws of the trustee.*

                  5.    Not Applicable.

                  6.    The consent of the trustee required by Section 321(b) of
                        the Act.

                  7.    A copy of the latest report of condition of the trustee
                        published pursuant to law or the requirements of its
                        supervising or examining authority.

                  8.    Not Applicable.

                  9.    Not Applicable.






         Pursuant to the requirements of the Trust Indenture Act of 1939, as
amended, the trustee, Bank One, National Association, a national banking
association organized and existing under the laws of the United States of
America, has duly caused this Statement of Eligibility to be signed on its
behalf by the undersigned, thereunto duly authorized, all in the City of Chicago
and the State of Illinois, on this 10th day of April, 2002.


                      BANK ONE, NATIONAL ASSOCIATION,
                      TRUSTEE

                      By  /s/ Sandra L. Caruba
                           Sandra L. Caruba
                           First Vice President


* Exhibits 1, 2, 3, and 4 are herein incorporated by reference to Exhibits
bearing identical numbers in Item 16 of the Form T-1 of Bank One, National
Association, filed as Exhibit 25 to the Registration Statement on Form S-3 of
Household Finance Corporation filed with the Securities and Exchange Commission
on March 24, 2000 (Registration No. 333-33240).




                                                                       EXHIBIT 6



                       THE CONSENT OF THE TRUSTEE REQUIRED
                          BY SECTION 321(b) OF THE ACT



                                                                  April 10, 2002


Securities and Exchange Commission
Washington, D.C.  20549

Ladies and Gentlemen:

                In connection with the qualification of an indenture between
Swift Energy Company and Bank One, National Association, the undersigned, in
accordance with Section 321(b) of the Trust Indenture Act of 1939, as amended,
hereby consents that the reports of examinations of the undersigned, made by
Federal or State authorities authorized to make such examinations, may be
furnished by such authorities to the Securities and Exchange Commission upon its
request therefor.


                                  Very truly yours,

                                  BANK ONE, NATIONAL ASSOCIATION

                                  By /s/ Sandra L. Caruba
                                     Sandra L. Caruba
                                     First Vice President






BANK ONE, NA
- -------------------------------------                                  FFIEC 031
Legal Title of Bank                                                    RC-1

CHICAGO                                                                --------
- -------------------------------------                                     11
City                                                                   --------

IL                            60670
- -------------------------------------
State                        Zip Code

Transmitted to EDS as 0172473 on 02/14/02 at 11:02:09 CST
FDIC Certificate Number - 03618

CONSOLIDATED REPORT OF CONDITION FOR INSURED COMMERCIAL
AND STATE-CHARTERED SAVINGS BANKS FOR DECEMBER 31, 2001

All schedules are to be reported in thousands of dollars. Unless otherwise
indicated, report the amount outstanding as of the last business day of the
quarter.

SCHEDULE RC -- BALANCE SHEET



                                                            Dollar Amounts in Thousands  RCFD    Bil|Mil|Thou
- ---------------------------------------------------------------------------------------  --------------------------
                                                                                                      
ASSETS
1.  Cash and balances due from depository institutions (from Schedule RC-A):
    a. Noninterest-bearing balances and currency and coin (1) .........................  0081     12,684,893    1.a
    b. Interest-bearing balances(2) ...................................................  0071        953,557    1.b
2.  Securities:
    a. Held-to-maturity securities (from Schedule RC-B, column A) .....................  1754              0    2.a
    b. Available-for-sale securities (from Schedule RC-B, column D) ...................  1773     35,870,041    2.b
3.  Federal funds sold and securities purchased under agreements to resell ............  1350     20,257,107    3
4.  Loans and lease financing receivables (from Schedule RC-C):
    a. LOANS AND LEASES HELD FOR SALE .................................................  5369        473,360    4.a
    b. LOANS AND LEASES, NET OF UNEARNED INCOME ................... B528   83,166,314                           4.b.
    c. LESS: Allowance for loan and lease losses .................. 3123    2,209,028                           4.c.
    d. LOANS AND LEASES, NET OF UNEARNED INCOME AND ALLOWANCES
      (ITEM 4.b MINUS 4.c .............................................................  B529     80,957,286    4.d
5.  Trading assets (from Schedule RC-D) ...............................................  3545      3,543,926    5
6.  Premises and fixed assets (including capitalized leases) ..........................  2145        880,464    6
7.  Other real estate owned (from Schedule RC-M) ......................................  2150         26,445    7
8.  Investments in unconsolidated subsidiaries and associated companies
    (from Schedule RC-M) ..............................................................  2130        266,554    8
9.  Customers' liability to this bank on acceptances outstanding.......................  2155        208,471    9
10. Intangible assets:
    a. GOODWILL .......................................................................  3163        448,690    10.a
    b. OTHER INTANGIBLE ASSETS (FROM SCHEDULE RC-M) ...................................  0426          3,627    10.b
11. Other assets (from Schedule RC-F) .................................................  2160      4,448,151    11
12. Total assets (sum of items 1 through 11) ..........................................  2170    161,022,572    12

</Table>

- ----------
(1) Includes cash items in process of collection and unposted debits.
(2) Includes time certificates of deposit not held for trading.

BANK ONE, NA
- -------------------------------------                                  FFIEC 031
Legal Title of Bank                                                    RC-2
Transmitted to EDS as 0172473 on 02/14/02 at 11:02:09 CST
FDIC Certificate Number - 03618                                        --------
                                                                          12
SCHEDULE RC -- CONTINUED                                               --------



                                                             Dollar Amounts in Thousands         Bil|Mil|Thou
- ----------------------------------------------------------------------------------------         ------------
                                                                                            
LIABILITIES
13. Deposits:
    a. In domestic offices (sum of totals of columns A and C                             RCON
       from Schedule RC-E, part I) ..................................................... 2200     81,019,724   13.a
       (1) Noninterest-bearing(1) ................................. 6631   34,308,625                          13.a.1
       (2) Interest-bearing ....................................... 6636   46,711,099                          13.a.2
    b. In foreign offices, Edge and Agreement subsidiaries, and                          RCFN
       IBFs (from Schedule RC-E, part II) .............................................. 2200     26,357,544   13.b
       (1) Noninterest-bearing .................................... 6631      640,616                          13.b.1
       (2) Interest-bearing ....................................... 6636   25,716,928    RCFD                  13.b.2
14. Federal funds purchased and securities sold under agreements
    to repurchase ...................................................................... 2800      8,206,199   14
15. Trading liabilities (from Schedule RC-D) ........................................... 3548      3,131,652   15
16. OTHER BORROWED MONEY (INCLUDES MORTGAGE INDEBTEDNESS AND
    OBLIGATIONS UNDER CAPITALIZED LEASES) (FROM SCHEDULE RC-M): ........................ 3190     21,671,080   16
17. Not applicable
18. Bank's liability on acceptances executed and outstanding ........................... 2920        208,471   18
19. Subordinated notes and debentures(2) ............................................... 3200      4,000,516   19
20. Other liabilities (from Schedule RC-G) ............................................. 2930      5,386,964   20
21. Total liabilities (sum of items 13 through 20) ..................................... 2948    149,982,150   21
22. MINORITY INTEREST IN CONSOLIDATED SUBSIDIARIES ..................................... 3000         50,200   22

EQUITY CAPITAL
23. Perpetual preferred stock and related surplus ...................................... 3838              0   23
24. Common stock ....................................................................... 3230        200,858   24
25. Surplus (exclude all surplus related to preferred stock) ........................... 3839      6,661,081   25
26. a. Retained earnings ............................................................... 3632      4,134,252   26.a
    b. ACCUMULATED OTHER COMPREHENSIVE INCOME (3) ...................................... B530         (5,969)  26.b
27. OTHER EQUITY CAPITAL COMPONENTS (4) ................................................ A130              0   27
28. Total equity capital (sum of items 23 through 27) .................................. 3210     10,990,222   28
29. Total liabilities, minority interest, and equity capital
    (sum of items 21, 22, and 28) ...................................................... 3300    161,022,572   29

MEMORANDUM
TO BE REPORTED ONLY WITH THE MARCH REPORT OF CONDITION.
1. Indicate in the box at the right the number of the statement below
   that best describes the most comprehensive level of auditing work
   performed for the bank by independent external auditors as of any                     RCFD       NUMBER
   date during 2000 .................................................................... 6724        N/A       M.1



1 = Independent audit of the bank conducted in accordance with generally
    accepted auditing standards by a certified public accounting firm which
    submits a report on the bank

2 = Independent audit of the bank's parent holding company conducted in
    accordance with generally accepted auditing standards by a certified public
    accounting firm which submits a report on the consolidated holding company
    (but not on the bank separately)

3 = ATTESTATION ON BANK MANAGEMENT'S ASSERTION ON THE EFFECTIVENESS OF THE
    BANK'S INTERNAL CONTROL OVER FINANCIAL REPORTING BY A CERTIFIED PUBLIC
    ACCOUNTING FIRM

4 = Directors' examination of the bank conducted in accordance with generally
    accepted auditing standards by a certified public accounting firm (may be
    required by state chartering authority)

5 = Directors' examination of the bank performed by other external auditors (may
    be required by state chartering authority)

6 = Review of the bank's financial statements by external auditors

7 = Compilation of the bank's financial statements by external auditors

8 = Other audit procedures (excluding tax preparation work)

9 = No external audit work

- --------------
(1) Includes total demand deposits and noninterest-bearing time and savings
    deposits.

(2) Includes limited-life preferred stock and related surplus.

(3) Includes net unrealized holding gains (losses) on available-for-sale
    securities, accumulated net gains (losses) on cash flow hedges, cumulative
    foreign currency translation adjustments, and minimum pension liability
    adjustments.

(4) Includes treasury stock and unearned Employee Stock Ownership Plan shares.