CERTIFICATION
                       PURSUANT TO 18 U.S.C. SECTION 1350,
                    AS ADOPTED PURSUANT TO SECTION 906 OF THE
                           SARBANES-OXLEY ACT OF 2002


     The  undersigned  hereby  certify,  pursuant to 18 U.S.C.  Section 1350, as
adopted pursuant to Section 906 of the  Sarbanes-Oxley Act of 2002, that, to the
undersigned's  best knowledge and belief,  the Quarterly Report on Form 10-Q for
the  Geodyne   Institutional/Pension   Energy  Income  Limited  Partnership  P-3
("Issuer") for the period ending March 31, 2003 as filed with the Securities and
Exchange Commission on the date hereof (the "Report"):

     (a)  fully complies with the  requirements of section 13(a) or 15(d) of the
          Securities Exchange Act of 1934; and
     (b)  the  information  contained  in the  Report  fairly  presents,  in all
          material respects,  the financial  condition and results of operations
          of the Issuer.

      Dated this 14th day of May, 2003.

                              GEODYNE INSTITUTIONAL/PENSION ENERGY
                              INCOME LIMITED PARTNERSHIP P-3
                              ("Issuer")

                              //s// Dennis R. Neill
                              -----------------------------------
                              Dennis R. Neill
                              President (Chief Executive Officer)

                              //s// Craig D. Loseke
                              -----------------------------------
                              Craig D. Loseke
                              Chief Accounting Officer
                              (Chief Financial Officer)

     A signed  original of this  written  statement  required by Section 906 has
been   furnished  to  Geodyne   Institutional/Pension   Energy  Income   Limited
Partnership  P-3 and will be  retained by Geodyne  Institutional/Pension  Energy
Income  Limited  Partnership  P-3 and furnished to the  Securities  and Exchange
Commission or its staff upon request.