EXHIBIT 25.A

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SECURITIES AND EXCHANGE COMMISSION
Washington, D. C. 20549

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FORM T-1

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

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

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JPMORGAN CHASE BANK
(Exact name of trustee as specified in its charter)

NEW YORK 13-4994650
(State of incorporation (I.R.S. employer
if not a national bank) identification No.)

270 PARK AVENUE
NEW YORK, NEW YORK 10017
(Address of principal executive offices) (Zip Code)

WILLIAM H. MCDAVID
GENERAL COUNSEL
270 PARK AVENUE
NEW YORK, NEW YORK 10017
TELEPHONE: (212) 270-2611
(Name, address and telephone number of agent for service)

(1) GULFTERRA ENERGY PARTNERS, L.P.
(2) GULFTERRA ENERGY FINANCE CORPORATION
(Exact name of obligor as specified in its charter)
SEE TABLE OF ADDITIONAL REGISTRANT GUARANTORS BELOW

(1) DELAWARE (1) 76-0396023
(2) DELAWARE (2) 76-0605880
(State or other jurisdiction of (I.R.S. employer
incorporation or organization) identification No.)

4 GREENWAY PLAZA
HOUSTON, TEXAS 77046
(Address of principal executive offices) (Zip Code)

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8 1/2% SERIES B SENIOR SUBORDINATED NOTES DUE 2010
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TABLE OF ADDITIONAL REGISTRANT GUARANTORS

ADDRESS, INCLUDING ZIP
CODE, AND TELEPHONE
NUMBER, INCLUDING AREA
STATE OR OTHER CODE, OF REGISTRANT
JURISDICTION OF IRS EMPLOYER GUARANTOR'S PRINCIPAL
NAME INCORPORATION ID NO. EXECUTIVE OFFICE
---- --------------- ------------ ----------------------

Chaco Liquids Plant Trust Massachusetts N/A *

Crystal Holding, L.L.C. Delaware 76-0396023 *

GulfTerra Intrastate, L.P. Delaware N/A *
(f/k/a El Paso Energy Intrastate, L.P.)

GulfTerra Operating Company, L.L.C. Delaware 76-0396023 *
(f/k/a El Paso Energy Partners
Operating Company, L.L.C.)

El Paso Energy Warwink I Company, L.P. Delaware N/A *

El Paso Energy Warwink II Company, L.P. Delaware N/A *

El Paso Offshore Gathering & Transmission, L.P. Delaware N/A *

GulfTerra South Texas, L.P. Delaware 04-3714142 *
(f/k/a El Paso South Texas, L.P.)

GulfTerra Texas Pipeline, L.P. Delaware N/A *
(f/k/a EPGT Texas Pipeline, L.P.)

GulfTerra Alabama Intrastate, L.L.C. Delaware 76-0396023 *
(f/k/a EPN Alabama Intrastate, L.L.C.)

GulfTerra Field Services, L.L.C. Delaware 76-0396023 *
(f/k/a EPN Field Services, L.L.C.)

EPN Gathering and Treating Company, L.P. Delaware N/A *

EPN Gathering and Treating GP Holding, L.L.C. Delaware 76-0396023 *

GulfTerra Holding II, L.L.C. Delaware 76-0396023 *
(f/k/a EPN GP Holding, L.L.C.)

GulfTerra Holding I, L.L.C. Delaware 76-0396023 *
(f/k/a/ EPN GP Holding I, L.L.C.)

GulfTerra GC, L.P. Delaware N/A *
(f/k/a/ EPN Gulf Coast, L.P.)

GulfTerra Holding V, L.P. Delaware N/A *
(f/k/a/ EPN Holding Company, L.P.)

GulfTerra Holding IV, L.P. Delaware N/A *
(f/k/a EPN Holding Company I, L.P.)

GulfTerra NGL Storage, L.L.C. Delaware 76-0396023 *
(f/k/a EPN NGL Storage, L.L.C.)

GulfTerra Holding III, L.L.C. Delaware 76-0396023 *
(f/k/a EPN Pipeline GP Holding, L.L.C.)

First Reserve Gas. L.L.C. Delaware 76-0396023 *

Flextrend Development Company, L.L.C. Delaware 76-0396023 *

GulfTerra Oil Transport, L.L.C. Delaware 76-0396023 *
(f/k/a El Paso Energy Partners
Oil Transport, L.L.C.)

Hattiesburg Gas Storage Company Delaware 76-0396023 *

Hattiesburg Industrial Gas Sales, L.L.C. Delaware 76-0396023 *

High Island Offshore System, L.L.C. Delaware 76-0396023 *

Manta Ray Gathering Company, L.L.C. Delaware 76-0396023 *

Petal Gas Storage, L.L.C. Delaware 76-0396023 *

Poseidon Pipeline Company, L.L.C. Delaware 76-0396023 *

Warwink Gathering and Treating Company Delaware N/A *

* The address for each Additional Registrant Guarantor is 4 Greenway Plaza,
Houston, Texas 77046, and the telephone number for each is (832) 676-2600.

GENERAL

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.

New York State Banking Department, State House, Albany, New York
12110.

Board of Governors of the Federal Reserve System, Washington, D.C.,
20551.

Federal Reserve Bank of New York, District No. 2, 33 Liberty Street,
New York, N.Y.

Federal Deposit Insurance Corporation, Washington, D.C., 20429.

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

Yes.

ITEM 2. AFFILIATIONS WITH THE OBLIGOR AND GUARANTORS.

IF THE OBLIGOR OR ANY GUARANTOR IS AN AFFILIATE OF THE TRUSTEE,
DESCRIBE EACH SUCH AFFILIATION.

None.

ITEMS 3 THROUGH 15, INCLUSIVE, ARE NOT APPLICABLE BY VIRTUE OF T-1 GENERAL
INSTRUCTION B.

[REMAINDER OF PAGE INTENTIONALLY BLANK]

ITEM 16. LIST OF EXHIBITS

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

1. A copy of the Restated Organization Certificate of the Trustee dated
March 25, 1997 and the Certificate of Amendment dated October 22, 2001 (see
Exhibit 1 to Form T-1 filed in connection with Registration Statement No.
333-76894, which exhibit is incorporated by reference.)

2. A copy of the Certificate of Authority of the Trustee to Commence
Business (see Exhibit 2 to Form T-1 filed in connection with Registration
Statement No. 33-50010, which exhibit is incorporated by reference). On November
11, 2001, in connection with the merger of The Chase Manhattan Bank and Morgan
Guaranty Trust Company of New York, the surviving corporation was renamed
JPMorgan Chase Bank.

3. None, authorization to exercise corporate trust powers being
contained in the documents identified above as Exhibits 1 and 2.

4. A copy of the existing By-Laws of the Trustee (see Exhibit 4 to Form
T-1 filed in connection with Registration Statement No. 333-76894, which exhibit
is incorporated by reference.)

5. Not applicable.

6. The consent of the Trustee required by Section 321(b) of the Act
(see Exhibit 6 to Form T-1 filed in connection with Registration Statement No.
33-50010, which exhibit is incorporated by reference). On November 11, 2001, in
connection with the merger of The Chase Manhattan Bank and Morgan Guaranty Trust
Company of New York, the surviving corporation was renamed JPMorgan Chase Bank.

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.

SIGNATURE

Pursuant to the requirements of the Trust Indenture Act of 1939 the
Trustee, JPMorgan Chase Bank, a corporation organized and existing under the
laws of the State of New York, has duly caused this statement of eligibility to
be signed on its behalf by the undersigned, thereunto duly authorized, all in
the City of Houston and State of Texas, on the 26th day of June, 2003.

JPMORGAN CHASE BANK

By: /s/ REBECCA A. NEWMAN
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Rebecca A. Newman
Vice President and Trust Officer

Exhibit 7 to Form T-1

Bank Call Notice

RESERVE DISTRICT NO.2
CONSOLIDATED REPORT OF CONDITION OF

JPMorgan Chase Bank
of 270 Park Avenue, New York, New York 10017
and Foreign and Domestic Subsidiaries,
a member of the Federal Reserve System,

at the close of business March 31, 2003, in
accordance with a call made by the Federal Reserve Bank of this
District pursuant to the provisions of the Federal Reserve Act

<Table>
<Caption>
ASSETS
Dollar Amounts
in Millions
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Cash and balances due from depository institutions:
Noninterest-bearing balances and
currency and coin .................................................... $ 21,415
Interest-bearing balances ............................................ 6,882
Securities:
Held to maturity securities .............................................. 334
Available for sale securities ............................................ 80,076
Federal funds sold and securities purchased under
agreements to resell
Federal funds sold in domestic offices ............................... 14,044
Securities purchased under agreements to resell ...................... 73,060
Loans and lease financing receivables:
Loans and leases held for sale ....................................... 25,832
Loans and leases, net of unearned income ............................. $ 161,345
Less: Allowance for loan and lease losses ............................ 3,823
Loans and leases, net of unearned income and
allowance ............................................................ 157,522
Trading Assets ........................................................... 189,427
Premises and fixed assets (including capitalized leases) ................. 6,186
Other real estate owned .................................................. 131
Investments in unconsolidated subsidiaries and
associated companies ................................................. 691
Customers' liability to this bank on acceptances
outstanding .......................................................... 225
Intangible assets
Goodwill ............................................................. 2,180
Other Intangible assets .............................................. 3,314
Other assets ............................................................. 40,377
TOTAL ASSETS ............................................................. $ 621,696
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</Table>

<Table>

LIABILITIES

Deposits
In domestic offices ............................................... $ 174,351
Noninterest-bearing ............................... $ 70,991
Interest-bearing .................................. 103,360
In foreign offices, Edge and Agreement
subsidiaries and IBF's ............................................ 125,789
Noninterest-bearing .................................. $ 7,531
Interest-bearing .................................. 118,258

Federal funds purchased and securities sold
under agreements to repurchase:
Federal funds purchased in domestic offices ....................... 5,929
Securities sold under agreements to repurchase .................... 113,903
Trading liabilities ....................................................... 116,329
Other borrowed money (includes mortgage indebtedness
and obligations under capitalized leases) ......................... 10,758
Bank's liability on acceptances executed and outstanding .................. 225
Subordinated notes and debentures ......................................... 8,306
Other liabilities ......................................................... 29,735
TOTAL LIABILITIES ......................................................... 585,325
Minority Interest in consolidated subsidiaries ............................ 97

EQUITY CAPITAL

Perpetual preferred stock and related surplus ............................. 0
Common stock .............................................................. 1,785
Surplus (exclude all surplus related to preferred stock) .................. 16,304
Retained earnings ......................................................... 17,228
Accumulated other comprehensive income .................................... 957
Other equity capital components ........................................... 0
TOTAL EQUITY CAPITAL ...................................................... 36,274
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TOTAL LIABILITIES, MINORITY INTEREST, AND EQUITY CAPITAL .................. $ 621,696
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</Table>

I, Joseph L. Sclafani, E.V.P. & Controller of the above-named bank, do hereby
declare that this Report of Condition has been prepared in conformance with the
instructions issued by the appropriate Federal regulatory authority and is true
to the best of my knowledge and belief.

JOSEPH L. SCLAFANI

We, the undersigned directors, attest to the correctness of this Report of
Condition and declare that it has been examined by us, and to the best of our
knowledge and belief has been prepared in conformance with the instructions
issued by the appropriate Federal regulatory authority and is true and correct.

WILLIAM B. HARRISON, JR. )
HELENE L. KAPLAN ) DIRECTORS
WILLIAM H. GRAY, III )