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-4  ("Issuer")  for the  period  ending  June  30,  2002 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 13th day of August, 2002.

                              GEODYNE INSTITUTIONAL/PENSION ENERGY
                              INCOME LIMITED PARTNERSHIP P-4
                              ("Issuer")

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

                              //s//Craig D. Loseke
                              -------------------------------------
                              Craig D. Loseke
                              Chief Financial Officer