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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION  FORM 10-Q x
    
    QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
EXCHANGE ACT OF 1934
 For the quarterly period ended September 30, 2004
 Or o
    
    TRANSITION REPORT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT
OF 1934
 For the transition period from  to
 Commission File No. 333-113340 MEWBOURNE ENERGY PARTNERS 04-A, L.P. Delaware
    
    20-0718858(State or jurisdiction of
incorporation or organization)
    
    (I.R.S. Employer
Identification Number)
 3901 South Broadway, Tyler, Texas
    
    75701(Address of principal executive offices)
    
    (Zip code)
 Registrants Telephone Number, including area code: (903) 561-2900 Not Applicable 
   Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 of 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days.
x Yes      o No




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Mewbourne Energy Partners 04-A, L.P. INDEX  
 Page No.Part I  Financial InformationItem 1. Financial StatementsBalance Sheet -
September 30, 2004 (Unaudited)
    
    
    3Statements of Operations (Unaudited) -

For the three months ended September 30, 2004 and
the period from January 27, 2004 (date of inception)
through September 30, 2004
    
    
    4Statement of Cash Flows (Unaudited) -

For the period from January 27, 2004 (date of inception)
through September 30, 2004
    
    
    5Statement of Changes In Partners Capital (Unaudited) -

For the period from January 27, 2004 (date of inception)
through September 30, 2004
    
    
    6Notes to Financial Statements
    
    
    7Item 2. Managements Discussion and Analysis of Financial
Condition and Results of Operations
    
    
    8Item 4. Disclosure Controls and Procedures
    
    
    10Part II  Other InformationItem 1. Legal Proceedings
    
    
    10Item 6. Exhibits and Reports on Form 8-K
    
    
    10Certification of CEO Pursuant to Section 302Certification of CFO Pursuant to Section 302Certification of CEO Pursuant to Section 906Certification of CFO Pursuant to Section 906
  2




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Mewbourne Energy Partners 04-A, L.P. 
 Part I  Financial Information 
 Item 1. Financial Statements 
 BALANCE SHEET

September 30, 2004 September 30,2004(Unaudited)ASSETSCash and cash equivalents
    
    $
    25,833,663Accounts receivable, affiliate
    
    
    22,705Total current assets
    
    
    25,856,368Oil and gas properties at cost,
full cost method
    
    
    2,244,9462,244,946Total assets
    
    $
    28,101,314LIABILITIES AND PARTNERS CAPITALAccounts payable, affiliate
    
    $
    632,658Partners capitalGeneral partners
    
    
    24,914,071Limited partners
    
    
    2,554,585Total partners capital
    
    
    27,468,656Total liabilities and partners capital
    
    $
    28,101,314
 The accompanying notes are an integral part of the financial statements. 3




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Mewbourne Energy Partners 04-A, L.P. 
 STATEMENTS OF OPERATIONS
For the three months ended September 30, 2004, and the period
from
January 27, 2004 (date of inception) through September 30,
2004
(Unaudited) Three Months Ended
    
    Period EndedSeptember 30, 2004
    
    September 30, 2004Revenues and other income:Interest income
    
    $
    23,039
    
    
    $
    23,039Total revenues and other income
    
    
    23,039
    
    
    
    23,039Expenses:Lease operating expense
    
    
    82
    
    
    
    82Administrative and general expense
    
    
    4,301
    
    
    
    4,301Net income
    
    $
    18,656
    
    
    $
    18,656Allocation of net income:General partners
    
    $
    16,921
    
    
    $
    16,921Limited partners
    
    $
    1,735
    
    
    $
    1,735Basic and diluted net income
per limited and general partner interest
(30,000 interests outstanding)
    
    $
    .62
    
    
    $
    .62
 The accompanying notes are an integral part of the financial statements. 4




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Mewbourne Energy Partners 04-A, L.P. 
 STATEMENT OF CASH FLOWS
For the period from January 27, 2004 (date of inception)
through September 30, 2004
(Unaudited) 2004Cash flows from operating activities:Net income
    
    $
    18,656Adjustment to reconcile net income to net cash
provided by operating activities:Changes in operating assets and liabilities:Accounts receivable, affiliate
    
    
    (22,705
    )Net cash used in operating activities
    
    
    (4,049
    )Cash flows from investing activities:Additions to oil and gas properties
    
    
    (1,612,288
    )Net cash used in investing activities
    
    
    (1,612,288
    )Cash flows from financing activities:Capital contributions from partners, net of
sales commissions and due diligence fees
of $2,550,000
    
    
    27,450,000Net cash provided by financing activities
    
    
    27,450,000Net increase in cash and cash equivalents
    
    
    25,833,663Cash and cash equivalents, beginning of period
    
    
    Cash and cash equivalents, end of period
    
    $
    25,833,663
 The accompanying notes are an integral part of the financial statements. 5




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Mewbourne Energy Partners 04-A, L.P. 
 STATEMENT OF CHANGES IN PARTNERS CAPITAL


For the period from January 27, 2004 (date of inception)
through September 30, 2004
(Unaudited) General
    
    LimitedPartners
    
    Partners
    
    TotalPartners capital at
January 27, 2004 (date of inception)
    
    $
    
    
    
    $
    
    
    
    $
    Capital contributions, net of sales
commissions and due diligence fees of
$2,312,850 and $237,150 respectively
    
    
    24,897,150
    
    
    
    2,552,850
    
    
    
    27,450,000Net income
    
    
    16,921
    
    
    
    1,735
    
    
    
    18,656Balance at September 30, 2004
    
    $
    24,914,071
    
    
    $
    2,554,585
    
    
    $
    27,468,656
 The accompanying notes are an integral part of the financial statements. 6




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Mewbourne Energy Partners 04-A, L.P. 
 NOTES TO FINANCIAL STATEMENTS
(Unaudited) 1. Accounting Policies In the opinion of management, the accompanying unaudited financial statements
contain all adjustments of a normal recurring nature necessary to present
fairly our financial position, results of operations, cash flows and partners
capital for the periods presented. The results of operations for the interim
periods are not necessarily indicative of the final results expected for the
full year. 2. Accounting for Oil and Gas Producing Activities Mewbourne Energy Partners 04-A, L.P., (the Partnership), a Delaware limited
partnership formed on January 27, 2004, is engaged primarily in oil and gas
development and production in Texas, Oklahoma, and New Mexico. The offering of
limited and general partnership interests began June 10, 2004 as a part of an
offering registered under the name Mewbourne Energy Partners 04-05 Drilling
Programs and concluded August 20, 2004, with total investor contributions of
$30,000,000. In accordance with the partnership agreement sales commission and
due diligence fees of $2,550,000 have been netted against investor
contributions. The Partnership follows the full-cost method of accounting for its oil and gas
activities. Under the full-cost method, all productive and non-productive
costs incurred in the acquisition, exploration and development of oil and gas
properties are capitalized. Depreciation, depletion and amortization of oil
and gas properties subject to amortization is computed on the
units-of-production method based on the proved reserves underlying the oil and
gas properties. At September 30, 2004, approximately $2.2 million of
capitalized costs were excluded from amortization, but such wells are expected
to be completed in the fourth quarter and included in the amortization base by
December 31, 2004. Gains and losses on the sale or other disposition of
properties are not recognized unless such adjustments would significantly alter
the relationship between capitalized costs and the proved oil and gas reserves.
Capitalized costs are subject to a periodic ceiling test that limits such
costs to the aggregate of that present value of future net cash flows of proved
reserves and the lower of cost or fair value of unproved properties. 3. Related Party Transactions Mewbourne Development Corporation (MD) is managing general partner and
Mewbourne Oil Company (MOC) is operator of oil and gas properties owned by the
Partnership. Mewbourne Holdings, Inc. is the parent of both MD and MOC.
Substantially all transactions are with MD and MOC. The Partnership reimburses MOC for supervision and other operator charges.
Services and operator charges are billed in accordance with the program and
partnership agreements. In general, during any particular calendar year the total amount of
administrative expenses allocated to the Partnership shall not exceed the
greater of (a) 3.5% of the Partnerships gross revenue from the sale of oil and
natural gas production during each year (calculated without any deduction for
operating costs or other costs and expenses) or (b) the sum of $50,000 plus
..25% of the capital contributions of limited and general partners. 7




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The Partnership participates in oil and gas activities through an income tax
partnership, the Program. The Partnership and MD are parties to the Program
agreement. The costs and revenues of the Program are allocated to MD and the
Partnership as follows: Partnership
    
    MDRevenues:Proceeds from disposition of depreciable
and depletable properties
    
    
    70
    %
    
    
    30
    %All other revenues
    
    
    70
    %
    
    
    30
    %Costs and expenses:Sales commissions and due diligence fees (1)
    
    
    100
    %
    
    
    0
    %Organization and offering costs (2)
    
    
    0
    %
    
    
    100
    %Lease acquisition costs (2)
    
    
    0
    %
    
    
    100
    %Tangible and intangible drilling costs (2)
    
    
    100
    %
    
    
    0
    %Operating costs, reporting and legal expenses,
general and administrative expenses
and all other costs
    
    
    70
    %
    
    
    30
    %
 (1) The Partnership will pay sales commissions and due diligence fees of 8% and
0.5%, respectively, of the capital contributions initially made by investor
partners in exchange for their respective interests. (2) As noted above, pursuant to the Program, MD must contribute 100% of
organization and offering costs and lease acquisition costs which will
approximate 20% of total capital costs. To the extent that organization and
offering costs and lease acquisition costs are less that 20% of total capital
costs, MD is responsible for tangible drilling costs until its share of the
Programs total capital costs reaches approximately 20%. The Partnerships financial statements reflect its respective proportionate
interest in the Program. 
 Item 2. Managements Discussion and Analysis of Financial Condition and Results
of
Operations Liquidity and Capital Resources Mewbourne Energy Partners 04-A, L.P. (the Partnership) was formed January 27,
2004. The offering of limited and general partnership interests began June 10,
2004 and concluded August 20, 2004, with total investor contributions of
$30,000,000. In accordance with the partnership agreement sales commission and
due diligence fees of $2,550,000 have been netted against investor
contributions. The Partnership will acquire interests in oil and gas prospects for the purpose
of development drilling. At September 30, 2004, 8 wells had been drilled but
not completed. An additional 73 wells are expected to be drilled by December
2005. Additional drilling on the prospects and operations will be conducted with
available funds generated from oil and gas activities and initial
contributions. No bank borrowings are anticipated. The Partnership had net
working capital of $25,223,710 at September 30, 2004. No cash distributions were made to the investor partners as of September 30,
2004. The Partnership expects that cash distributions will occur as wells are
drilled and oil and gas revenues are sufficient to produce cash flows from
operations. 8




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The sale of crude oil and natural gas produced by the Partnership will be
affected by a number of factors that are beyond the Partnerships control.
These factors include the price of crude oil and natural gas, the fluctuating
supply of and demand for these products, competitive fuels, refining,
transportation, extensive federal and state regulations governing the
production and sale of crude oil and natural gas, and other competitive
conditions. It is impossible to predict with any certainty the future effect
of these factors on the Partnership. Results of Operations Three months ended September 30, 2004. Interest income. Interest income was $23,039 during the three month period
ended September 30, 2004. Lease operations. Lease operating expense was $82 during the three month period
ended September 30, 2004. Administrative and general expense. Administrative and general expense was
$4,309 during the three month period ended September 30, 2004. Nine months ended September 30, 2004 Interest income. Interest income was $23,039 during the nine month period
ended September 30, 2004. Lease operations. Lease operating expense was $82 during the nine month period
ended September 30, 2004. Administrative and general expense. Administrative and general expense was
$4,309 during the nine month period ended September 30, 2004. 9




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Item 4. Disclosure Controls and Procedures Mewbourne Development Corporation (MDC), the Managing General Partner of the
Partnership, maintains a system of controls and procedures designed to provide
reasonable assurance as to the reliability of the financial statements and
other disclosures included in this report, as well as to safeguard assets from
unauthorized use or disposition. Within 90 days prior to the filing of this
report, MDCs Chief Executive Officer and Chief Financial Officer have
evaluated the effectiveness of the design and operation of our disclosure
controls and procedures with the assistance and participation of other members
of management. Based upon that evaluation, MDCs Chief Executive Officer and
Chief Financial Officer concluded that our disclosure controls and procedures
are effective for gathering, analyzing and disclosing the information the
Partnership is required to disclose in the reports it files under the
Securities Exchange Act of 1934 within the time periods specified in the SECs
rules and forms. There have been no significant changes in MDCs internal
controls or in other factors which could significantly affect internal controls
subsequent to the date MDC carried out its evaluation. 
 Part II  Other Information 
 Item 1. Legal Proceedings None. 
 Item 6. Exhibits and Reports on Form 8-K (a) Exhibits filed herewith.  31.1
    
    Certification of CEO Pursuant to Section 302 of
Sarbanes-Oxley Act of 2002.31.2
    
    Certification of CFO Pursuant to Section 302 of
Sarbanes-Oxley Act of 2002.32.1
    
    Certification of CEO Pursuant to Section 906 of
Sarbanes-Oxley Act of 2002.32.2
    
    Certification of CFO Pursuant to Section 906 of
Sarbanes-Oxley Act of 2002. (b) Reports on Form 8-K None. 10




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SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the
Partnership has duly caused this report to be signed on its behalf by the
undersigned thereto duly authorized. Mewbourne Energy Partners 04-A, L.P.By:
    
    Mewbourne Development Corporation
Managing General Partner
 Date: November 11, 2004By:
    /s/ Alan ClarkAlan Clark, Treasurer 11




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INDEX TO EXHIBITS EXHIBITNUMBER
    
    DESCRIPTION31.1
    
    Certification of CEO Pursuant to Section 302 of Sarbanes-Oxley Act of 2002.31.2
    
    Certification of CFO Pursuant to Section 302 of Sarbanes-Oxley Act of 2002.32.1
    
    Certification of CEO Pursuant to Section 906 of Sarbanes-Oxley Act of 2002.32.2
    
    Certification of CFO Pursuant to Section 906 of Sarbanes-Oxley Act of 2002.
 12