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Exhibit 10.2

AMENDMENT NUMBER 6
TO THE MASTER EQUIPMENT LEASE AGREEMENT

        THIS AMENDMENT NUMBER 6, dated as of September 16, 2002 (the
"Amendment") to the Master Equipment Lease Agreement, dated as of February 9,
2001 (as amended or supplemented from time to time as permitted thereby, the
"Head Lease"), by and between BRL Universal Compression Funding I, L.P. (the
"Head Lessor") and UCO Compression LLC (the "Head Lessee").

W I T N E S S E T H:

        WHEREAS, the Head Lessor and the Head Lessee have previously entered
into the Head Lease, Amendment Number 1 thereto, dated as of February 8, 2002,
Amendment Number 2 thereto, dated as of March 29, 2002, Amendment Number 3
thereto, dated as of April 1, 2002, Amendment Number 4 thereto, dated as of
May 31, 2002 and Amendment Number 5 thereto, dated as of July 31, 2002;

        WHEREAS, the parties desire to further amend the Head Lease in order to
modify certain provisions of the Head Lease;

        NOW THEREFORE, in consideration of the premises and mutual covenants
herein contained, the parties hereto agree as follows:

        SECTION 1.    Defined Terms.    Capitalized terms used in this Amendment
and not otherwise defined herein shall have the meanings assigned in the Head
Lease.

        SECTION 2.    Full Force and Effect.    Other than as specifically
modified hereby, the Head Lease shall remain in full force and effect in
accordance with the terms and provisions thereof and is hereby ratified and
confirmed by the parties hereto.

        SECTION 3.    Amendment to the Head Lease.    Effective on the date
hereof, following the execution and delivery hereof,

        (a)  The definition of "Annual Appraisal Date" in Section 1 of the Head
Lease is hereby amended to read in its entirety as follows:

        Annual Appraisal Date: Initially, the earlier to occur of (a) the date
of issuance of the Issuer's "Series 2002-1 Notes" and (b) October 18, 2002 (or
if such day is not a Business Day, the next succeeding Business Day), and,
thereafter, each anniversary (or if such day is not a Business Day, the next
succeeding Business Day) of the occurrence of such earlier date.

        (b)  The second sentence of subsection (a) of Section 14 of the Head
Lease is hereby amended to read in its entirety as follows:

        Property Insurance shall not have deductibles in excess of $250,000 per
occurrence; provided that, on and after the earlier to occur of (a) the date of
issuance of the Issuer's "Series 2002-1 Notes" and (b) October 18, 2002 (or if
such day is not a Business Day, the next succeeding Business Day), the Property
Insurance shall not have deductibles in excess of (x) $250,000 per occurrence
and (y) $2,000,000 annually, in the aggregate; and provided further that, at all
times, the Liability Insurance shall not have deductibles in excess of $250,000
per occurrence.

        SECTION 4.    Effectiveness of Amendment.

        (a)  This Amendment shall become effective as of the date first written
above.

        (b)  This Amendment shall be binding upon and inure to the benefit of
the parties hereto and their respective successors and assigns.

        (c)  On and after the execution and delivery hereof, (i) this Amendment
shall be a part of the Head Lease, and (ii) each reference in the Head Lease to
"this Head Lease" or "hereof", "hereunder"

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or words of like import, and each reference in any other document to the Head
Lease shall mean and be a reference to the Head Lease as amended or modified
hereby.

        SECTION 5.    Execution in Counterparts.    This Amendment may be
executed by the parties hereto in separate counterparts, each of which shall be
deemed to be an original and all of which shall constitute together but one and
the same agreement.

        SECTION 6.    Governing Law.    THIS AMENDMENT SHALL BE CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO CONFLICT OF
LAW PRINCIPLES; PROVIDED THAT SECTIONS 5-1401 AND 5-1402 OF THE NEW YORK GENERAL
OBLIGATIONS LAW SHALL APPLY, AND THE OBLIGATIONS, RIGHTS AND REMEDIES OF THE
PARTIES HEREUNDER SHALL BE DETERMINED IN ACCORDANCE WITH THE LAWS OF THE STATE
OF NEW YORK.

[Signature page follows.]

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        IN WITNESS WHEREOF, the parties hereto have executed and delivered this
Amendment on the date first above written.

 
 
BRL UNIVERSAL COMPRESSION FUNDING I, L.P., as Head Lessor
 
 
By:
 
BRL Universal Compression Management, Inc.
 
 
 
 
By:
/s/  GREGORY C. GREENE      

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Name: Gregory C. Greene
Title: President
 
 
UCO COMPRESSION LLC, as Head Lessee
 
 
By:
 
/s/  RICHARD W. FITZGERALD      

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Name: Richard W. FitzGerald
Title: Senior Vice President

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Exhibit 10.2

AMENDMENT NUMBER 6 TO THE MASTER EQUIPMENT LEASE AGREEMENT