UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D. C. 20549


                                    FORM 10-Q


                Quarterly Report Pursuant to Section 13 or 15(d)
                     of the Securities Exchange Act of 1934


                  For the quarterly period ended June 30, 2001


                          Commission File No. 2-81398A


                           PARKER & PARSLEY 83-A, LTD.
             (Exact name of Registrant as specified in its charter)

                           Texas                              75-1891384
        --------------------------------------------    ----------------------
              (State or other jurisdiction of              (I.R.S. Employer
              incorporation or organization)            Identification Number)


     5205 N. O'Connor Blvd., Suite 1400, Irving, Texas           75039
     -------------------------------------------------        ------------
         (Address of principal executive offices)              (Zip code)

       Registrant's Telephone Number, including area code : (972) 444-9001


                                 Not applicable
              (Former name, former address and former fiscal year,
                         if changed since last report)


Indicate by check mark whether the Registrant (1) has filed all reports required
to be filed by Section 13 or 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.

                                Yes / x / No / /





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                           PARKER & PARSLEY 83-A, LTD.

                                TABLE OF CONTENTS


                                                                     Page
                          Part I. Financial Information

Item 1.     Financial Statements

            Balance Sheets as of June 30, 2001 and
               December 31, 2000...................................    3

            Statements of Operations for the three and six
              months ended June 30, 2001 and 2000..................    4

            Statement of Partners' Capital for the six months
              ended June 30, 2001..................................    5

            Statements of Cash Flows for the six months
              ended June 30, 2001 and 2000.........................    6

            Notes to Financial Statements..........................    7

Item 2.     Management's Discussion and Analysis of Financial
              Condition and Results of Operations..................    7


                           Part II. Other Information

Item 6.     Exhibits and Reports on Form 8-K.......................   11

            Signatures.............................................   12


                                        2

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                           PARKER & PARSLEY 83-A, LTD.
                          (A Texas Limited Partnership)

                          Part I. Financial Information

Item 1.     Financial Statements

<TABLE>
                                 BALANCE SHEETS
                                                     June 30,      December 31,
                                                       2001            2000
                                                   ------------    ------------
                                                   (Unaudited)

                      ASSETS

<S>                                                <C>             <C>
Current assets:
     Cash                                          $    392,584    $    169,055
     Accounts receivable - oil and gas sales            229,511         279,239
                                                    -----------     -----------
          Total current assets                          622,095         448,294
                                                    -----------     -----------
Oil and gas properties - at cost, based on the
  successful efforts accounting method               16,902,945      16,901,194
Accumulated depletion                               (15,665,442)    (15,622,262)
                                                    -----------     -----------
          Net oil and gas properties                  1,237,503       1,278,932
                                                    -----------     -----------
                                                   $  1,859,598    $  1,727,226
                                                    ===========     ===========
LIABILITIES AND PARTNERS' CAPITAL

Current liabilities:
  Accounts payable - affiliate                     $     43,464    $     33,783

Partners' capital:
  General partners                                      236,728         200,131
  Limited partners (19,505 interests)                 1,579,406       1,493,312
                                                    -----------     -----------
                                                      1,816,134       1,693,443
                                                    -----------     -----------
                                                   $  1,859,598    $  1,727,226
                                                    ===========     ===========
</TABLE>


  The financial information included as of June 30, 2001 has been prepared by
  the managing general partner without audit by independent public accountants.

   The accompanying notes are an integral part of these financial statements.

                                        3

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                           PARKER & PARSLEY 83-A, LTD.
                          (A Texas Limited Partnership)

                            STATEMENTS OF OPERATIONS
                                   (Unaudited)


<TABLE>

                                  Three months ended         Six months ended
                                        June 30,                  June 30,
                                ----------------------    ----------------------
                                   2001        2000          2001         2000
                                ---------    ---------    ---------    ---------
<S>                             <C>          <C>          <C>          <C>
Revenues:
  Oil and gas                   $ 471,330    $ 447,770    $ 979,098    $ 864,836
  Interest                          2,904        2,956        6,256        5,424
                                 --------     --------     --------     --------
                                  474,234      450,726      985,354      870,260
                                 --------     --------     --------     --------
Costs and expenses:
  Oil and gas production          239,495      226,945      471,641      443,276
  General and administrative       14,392       14,886       33,115       27,789
  Depletion                        22,631       18,632       43,180       40,238
                                 --------     --------     --------     --------
                                  276,518      260,463      547,936      511,303
                                 --------     --------     --------     --------
Net income                      $ 197,716    $ 190,263    $ 437,418    $ 358,957
                                 ========     ========     ========     ========
Allocation of net income:
  General partners              $  52,896    $  50,724    $ 116,436    $  96,236
                                 ========     ========     ========     ========
  Limited partners              $ 144,820    $ 139,539    $ 320,982    $ 262,721
                                 ========     ========     ========     ========
Net income per limited
  partnership interest          $    7.43    $    7.15    $   16.46    $   13.47
                                 ========     ========     ========     ========

</TABLE>




         The financial information included herein has been prepared by
  the managing general partner without audit by independent public accountants.

   The accompanying notes are an integral part of these financial statements.

                                        4

<PAGE>



                           PARKER & PARSLEY 83-A, LTD.
                          (A Texas Limited Partnership)

                         STATEMENT OF PARTNERS' CAPITAL
                                   (Unaudited)



<TABLE>

                                        General      Limited
                                        partners     partners       Total
                                       ----------   ----------   ----------


<S>                                    <C>          <C>          <C>
Balance at January 1, 2001             $  200,131   $1,493,312   $1,693,443

   Distributions                          (79,839)    (234,888)    (314,727)

   Net income                             116,436      320,982      437,418
                                        ---------    ---------    ---------

Balance at June 30, 2001               $  236,728   $1,579,406   $1,816,134
                                        =========    =========    =========


</TABLE>






         The financial information included herein has been prepared by
  the managing general partner without audit by independent public accountants.

   The accompanying notes are an integral part of these financial statements.

                                        5

<PAGE>



                           PARKER & PARSLEY 83-A, LTD.
                          (A Texas Limited Partnership)

                            STATEMENTS OF CASH FLOWS
                                   (Unaudited)

<TABLE>

                                                          Six months ended
                                                               June 30,
                                                      -------------------------
                                                         2001           2000
                                                      ----------     ----------
<S>                                                   <C>            <C>
Cash flows from operating activities:
  Net income                                          $  437,418     $  358,957
  Adjustments to reconcile net income to net
     cash provided by operating activities:
       Depletion                                          43,180         40,238
  Changes in assets and liabilities:
     Accounts receivable                                  49,728        (33,517)
     Accounts payable                                      9,681         16,525
                                                       ---------      ---------
        Net cash provided by operating activities        540,007        382,203
                                                       ---------      ---------
Cash flows used in investing activities:
  Additions to oil and gas properties                     (1,751)        (7,921)

Cash flows used in financing activities:
  Cash distributions to partners                        (314,727)      (373,589)
                                                       ---------      ---------
Net increase in cash                                     223,529            693
Cash at beginning of period                              169,055        143,823
                                                       ---------      ---------
Cash at end of period                                 $  392,584     $  144,516
                                                       =========      =========


</TABLE>




         The financial information included herein has been prepared by
  the managing general partner without audit by independent public accountants.

   The accompanying notes are an integral part of these financial statements.

                                        6

<PAGE>



                           PARKER & PARSLEY 83-A, LTD.
                          (A Texas Limited Partnership)

                          NOTES TO FINANCIAL STATEMENTS
                                  June 30, 2001
                                   (Unaudited)


Note 1.     Organization and nature of operations

Parker &  Parsley  83-A,  Ltd.  (the  "Partnership")  is a  limited  partnership
organized in 1983 under the laws of the State of Texas.

The Partnership engages in oil and gas development and production in Texas and
is not involved in any industry segment other than oil and gas.

Note 2.     Basis of presentation

In  the  opinion  of  management,  the  unaudited  financial  statements  of the
Partnership  as of June 30, 2001 and for the three and six months ended June 30,
2001 and 2000 include all  adjustments  and accruals  consisting  only of normal
recurring accrual adjustments which are necessary for a fair presentation of the
results  for  the  interim  period.  However,  these  interim  results  are  not
necessarily indicative of results for a full year. Certain reclassifications may
have been made to the June 30, 2000 financial  statements to conform to the June
30, 2001 financial statement presentations.

Certain  information and footnote  disclosures  normally  included in  financial
statements prepared in accordance with generally accepted accounting  principles
have been  condensed  or  omitted  in this Form 10-Q  pursuant  to the rules and
regulations of the Securities and Exchange Commission.  The financial statements
should  be read in  conjunction  with the  financial  statements  and the  notes
thereto  contained in the  Partnership's  Report on Form 10-K for the year ended
December 31, 2000, as filed with the Securities and Exchange Commission,  a copy
of which is available upon request by writing to Rich Dealy,  Vice President and
Chief Accounting  Officer,  5205 North O'Connor  Boulevard,  Suite 1400, Irving,
Texas 75039-3746.

Item 2.     Management's Discussion and Analysis of Financial Condition
              and Results of Operations (1)

Results of Operations

Six months ended June 30, 2001 compared with six months ended
  June 30, 2000

Revenues:

The Partnership's  oil and gas  revenues  increased 13% to  $979,098 for the six
months ended June 30,  2001 as compared to $864,836 for the same period in 2000.
The increase in revenues resulted from higher average prices received, offset by
a decrease in production. For the six months ended June 30, 2001, 20,863 barrels

                                        7

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of oil, 8,678 barrels of natural gas liquids ("NGLs") and 52,495 mcf of gas were
sold, or 38,290  barrel of oil  equivalents  ("BOEs").  For the six months ended
June 30, 2000,  21,455 barrels of oil,  11,696 barrels of NGLs and 46,838 mcf of
gas were sold, or 40,957 BOEs.

The average price received per barrel of oil increased  slightly from $27.55 for
the six months  ended June 30, 2000 to $27.56 for the same  period in 2001.  The
average price received per barrel of NGLs increased  $2.36,  or 17%, from $14.30
during the six months ended June 30, 2000 to $16.66 for the same period in 2001.
The average price  received per mcf of gas increased  118% from $2.27 during the
six months ended June 30, 2000 to $4.95 for the same period in 2001.  The market
price  for oil and gas has  been  extremely  volatile  in the  past  decade  and
management expects a certain amount of volatility to continue in the foreseeable
future.  The Partnership may therefore sell its future oil and gas production at
average  prices lower or higher than that  received  during the six months ended
June 30, 2001.

Costs and Expenses:

Total costs and expenses increased to $547,936 for the six months ended June 30,
2001 as  compared  to  $511,303  for the same  period in 2000,  an  increase  of
$36,633,  or 7%. This increase was due to higher production  costs,  general and
administrative expenses ("G&A") and depletion.

Production costs  were $471,641  for the  six months  ended  June 30,  2001  and
$443,276 for the same period in 2000 resulting in a $28,365 increase, or 6%. The
increase was  the primarily due to additional well maintenance costs incurred to
stimulate well production and higher production taxes associated with higher oil
and gas prices, offset by a decline in workover expenses.

G&A's components  are independent  accounting and  engineering fees and managing
general partner personnel and operating costs. During this period, G&A increased
19% from  $27,789 for the six months ended June 30, 2000 to $33,115 for the same
period in 2001,  primarily due to a higher  allocation  of the managing  general
partner's  G&A being  allocated  (limited  to 3% of oil and gas  revenues)  as a
result of increased oil and gas revenues and an increase in audit and tax fees.

Depletion was  $43,180 for the  six months  ended  June 30,  2001 as compared to
$40,238 for the same period in 2000, an increase of $2,942, or 7%. This increase
was primarily due to a decline in proved  reserves  during the period ended June
30, 2001 due to lower commodity  prices,  offset by a decrease in oil production
of 592  barrels  for the six months  ended June 30, 2001 as compared to the same
period in 2000.

Three months ended June 30, 2001 compared with three months ended June 30, 2000

Revenues:

The Partnership's  oil and gas revenues  increased 5% to  $471,330 for the three
months  ended June 30, 2001 as compared to $447,770 for the same period in 2000.
The increase in revenues  resulted from higher average  prices  received for gas
and NGLs,  offset by a decrease in production and lower average prices  received
for oil. For the three months ended June 30, 2001,  10,695 barrels of oil, 5,002
barrels of NGLs and 26,788 mcf of gas were sold,  or 20,162 BOEs.  For the three


                                        8

<PAGE>



months ended June 30, 2000,  10,617  barrels of oil,  6,110  barrels of NGLs and
23,850 mcf of gas were sold, or 20,702 BOEs.

The average price received per barrel of oil decreased  $.58, or 2%, from $27.66
for the three  months ended June 30, 2000 to $27.08 for the same period in 2001.
The average price received per barrel of NGLs increased $.48, or 3%, from $14.40
during the three  months  ended June 30,  2000 to $14.88 for the same  period in
2001.  The average price  received per mcf of gas increased 44% to $4.00 for the
three months ended June 30, 2001 from $2.77 for the same period in 2000.

Costs and Expenses:

Total costs and  expenses  increased to $276,518 for the three months ended June
30, 2001 as compared  to  $260,463  for the same period in 2000,  an increase of
$16,055,  or 6%. This increase was due to higher production costs and depletion,
offset by a decline in G&A.

Production  costs were  $239,495  for the three  months  ended June 30, 2001 and
$226,945  for the same period in 2000  resulting in a $12,550  increase,  or 6%.
This increase was primarily due to additional well maintenance  expense incurred
to stimulate well production, offset by a decline in workover expenses.

During this  period,  G&A  decreased  3% from $14,886 for the three months ended
June 30,  2000 to $14,392 for the same  period in 2001,  primarily  due to lower
audit and tax expenses.

Depletion  was $22,631 for the three  months  ended June 30, 2001 as compared to
$18,632  for the same  period in 2000,  an  increase  of  $3,999,  or 21%.  This
increase was  primarily  due to a decline in proved  reserves  during the period
ended  June 30,  2001 due to  lower  commodity  prices  and an  increase  in oil
production  of 78 barrels for the six months  ended June 30, 2001 as compared to
the same period in 2000.

Liquidity and Capital Resources

Net Cash Provided by Operating Activities

Net cash  provided by operating  activities  increased  $157,804  during the six
months ended June 30, 2001 from the same period in 2000.  This  increase was due
to an  increase of $115,094  in oil and gas sales  receipts  and a reduction  of
$76,401 in working  capital,  offset by increases in production costs of $28,365
and G&A expenses of $5,326.  The increase in oil and gas receipts  resulted from
the increase in commodity  prices  during 2001 which  contributed  an additional
$152,860 to oil and gas receipts,  offset by $37,766  resulting from the decline
in production  during 2001 as compared to the same period in 2000.  The increase
in  production  costs was primarily due to  additional  well  maintenance  costs
incurred to stimulate well production and increased  production taxes associated
with higher oil and gas prices,  offset by a decline in workover  expenses.  The
increase in G&A was primarily due to a higher percentage of the managing general
partner's  G&A being  allocated  (limited  to 3% of oil and gas  revenues)  as a
result of increased oil and gas revenues and an increase in audit and tax fees.


                                        9

<PAGE>



Net Cash Used in Investing Activities

The  Partnership's  investment  activities  during the six months ended June 30,
2001 and 2000 were related to expenditures for equipment  upgrades on active oil
and gas properties.

Net Cash Used in Financing Activities

For the six months ended June 30, 2001, cash  distributions to the partners were
$314,727,  of which $79,839 was distributed to the general partners and $234,888
to the  limited  partners.  For  the  six  months  ended  June  30,  2000,  cash
distributions to the partners were $373,589, of which $90,377 was distributed to
the general partners and $283,212 to the limited partners.

For the three  months  ended June 30, 2001,  no  distributions  were made by the
partnership to its partners.  Subsequent to June 30, 2001 the cash  distribution
that  otherwise  would  have been  mailed to  partners  in late June was made to
holders  of  record  as of July 9, 2001 and was  mailed  on July 13,  2001.  For
further information, see "Proposal to acquire partnerships" below.

Proposal to acquire partnerships

On June 29, 2001,  Pioneer Natural Resources Company  ("Pioneer") filed with the
Securities and Exchange Commission  Amendment No. 1 to the Form S-4 Registration
Statement (File No. 333- 59094) (the "preliminary proxy  statement/prospectus"),
which  proposes an agreement and plan of merger among Pioneer,  Pioneer  Natural
Resources USA, Inc. ("Pioneer USA"), a wholly-owned  subsidiary of Pioneer,  and
46 Parker & Parsley limited  partnerships.  Each  partnership  that approves the
agreement and plan of merger and the other related  merger  proposals will merge
with and into Pioneer USA upon the closing of the transactions  described in the
preliminary proxy  statement/prospectus,  and the partnership  interests of each
such  partnership  will be converted  into the right to receive  Pioneer  common
stock.  The Partnership is one of the 46 Parker & Parsley  limited  partnerships
that will be asked to approve the agreement and plan of merger.  The preliminary
proxy statement/prospectus is non-binding and is subject to, among other things,
consideration  of offers from third parties to purchase any  partnership  or its
assets and the majority  approval of the limited  partnership  interests in each
partnership.

Pioneer USA will solicit  proxies  from limited  partners to approve the mergers
only when the proxy  statement/prospectus  is final and declared  effective.  No
solicitation will be made using preliminary  materials.  Nonetheless,  copies of
the preliminary proxy  statement/prospectus  may be obtained without charge upon
request from Pioneer Natural Resources Company, 5205 North O'Connor Blvd., Suite
1400, Irving, Texas 75039, Attention: Investor Relations.

The limited partners are urged to read the proxy statement/prospectus of Pioneer
filed with the Securities and Exchange Commission, when it is finalized, because
it  contains  important  information  about  the  proposed  mergers,   including
information  about the direct and indirect  interests of Pioneer USA and Pioneer
in the mergers.  The limited  partners may also obtain the preliminary and (when
filed) final proxy statement/prospectus and other relevant documents relating to
the proposed  mergers free through the internet web site that the Securities and
Exchange Commission maintains at www.sec.gov.

                                       10

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

(1)  "Item 2.  Management's  Discussion and Analysis of Financial  Condition and
     Results of Operations"  contains  forward  looking  statements that involve
     risks and uncertainties.  Accordingly,  no assurances can be given that the
     actual  events  and  results  will  not be  materially  different  than the
     anticipated results described in the forward looking statements.

                           Part II. Other Information

Item 6.     Exhibits and Reports on Form 8-K

(a)    Exhibits - none

(b)    Reports on Form 8-K - none


                                       11

<PAGE>


                           PARKER & PARSLEY 83-A, LTD.
                          (A Texas Limited Partnership)



                               S I G N A T U R E S



     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 thereunto duly authorized.

                                          PARKER & PARSLEY 83-A, LTD.

                                     By:  Pioneer Natural Resources USA, Inc.
                                           Managing General Partner




Dated:  August 8, 2001               By:    /s/ Rich Dealy
                                          ------------------------------------
                                          Rich Dealy, Vice President and
                                          Chief Accounting Officer


                                       12

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