WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>
,

<ARTICLE>                                                                      6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL  INFORMATION EXTRACTED FROM ML OKLAHOMA
VENTURE PARTNERS,  LIMITED  PARTNERSHIP'S  QUARTERLY REPORT ON FORM 10-Q FOR THE
PERIOD ENDED JUNE 30, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>

<S>                                                                          <C>
<PERIOD-TYPE>                                                              6-MOS
<FISCAL-YEAR-END>                                                    DEC-31-1999
<PERIOD-START>                                                        JAN-1-1999
<PERIOD-END>                                                         JUN-30-1999
<INVESTMENTS-AT-COST>                                                  2,013,720
<INVESTMENTS-AT-VALUE>                                                 4,259,375
<RECEIVABLES>                                                                  0
<ASSETS-OTHER>                                                           298,861
<OTHER-ITEMS-ASSETS>                                                   1,006,141
<TOTAL-ASSETS>                                                         5,564,377
<PAYABLE-FOR-SECURITIES>                                                       0
<SENIOR-LONG-TERM-DEBT>                                                        0
<OTHER-ITEMS-LIABILITIES>                                                114,506
<TOTAL-LIABILITIES>                                                      114,506
<SENIOR-EQUITY>                                                                0
<PAID-IN-CAPITAL-COMMON>                                                       0
<SHARES-COMMON-STOCK>                                                     10,248
<SHARES-COMMON-PRIOR>                                                     10,248
<ACCUMULATED-NII-CURRENT>                                                      0
<OVERDISTRIBUTION-NII>                                                         0
<ACCUMULATED-NET-GAINS>                                                        0
<OVERDISTRIBUTION-GAINS>                                                       0
<ACCUM-APPREC-OR-DEPREC>                                               2,245,655
<NET-ASSETS>                                                           5,449,871
<DIVIDEND-INCOME>                                                              0
<INTEREST-INCOME>                                                       (11,818)
<OTHER-INCOME>                                                                 0
<EXPENSES-NET>                                                           147,789
<NET-INVESTMENT-INCOME>                                                (159,607)
<REALIZED-GAINS-CURRENT>                                                 192,199
<APPREC-INCREASE-CURRENT>                                            (1,496,109)
<NET-CHANGE-FROM-OPS>                                                (1,463,517)
<EQUALIZATION>                                                                 0
<DISTRIBUTIONS-OF-INCOME>                                                      0
<DISTRIBUTIONS-OF-GAINS>                                                       0
<DISTRIBUTIONS-OTHER>                                                          0
<NUMBER-OF-SHARES-SOLD>                                                        0
<NUMBER-OF-SHARES-REDEEMED>                                                    0
<SHARES-REINVESTED>                                                            0
<NET-CHANGE-IN-ASSETS>                                               (1,463,517)
<ACCUMULATED-NII-PRIOR>                                                        0
<ACCUMULATED-GAINS-PRIOR>                                                      0
<OVERDISTRIB-NII-PRIOR>                                                        0
<OVERDIST-NET-GAINS-PRIOR>                                                     0
<GROSS-ADVISORY-FEES>                                                          0
<INTEREST-EXPENSE>                                                             0
<GROSS-EXPENSE>                                                                0
<AVERAGE-NET-ASSETS>                                                   6,181,630
<PER-SHARE-NAV-BEGIN>                                                        668
<PER-SHARE-NII>                                                             (15)
<PER-SHARE-GAIN-APPREC>                                                    (127)
<PER-SHARE-DIVIDEND>                                                           0
<PER-SHARE-DISTRIBUTIONS>                                                      0
<RETURNS-OF-CAPITAL>                                                           0
<PER-SHARE-NAV-END>                                                          526
<EXPENSE-RATIO>                                                                0
[AVG-DEBT-OUTSTANDING]                                                         0
[AVG-DEBT-PER-SHARE]                                                           0



</TABLE>