SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                   FORM 8-K

               Current Report Pursuant to Section 13 or 15(d) of
                          The Securities Act of 1934


Date of Report (Date of earliest event reported): January 28, 2000


      GEODYNE INSTITUTIONAL/PENSION ENERGY INCOME P-1 LIMITED PARTNERSHIP
      GEODYNE INSTITUTIONAL/PENSION ENERGY INCOME P-2 LIMITED PARTNERSHIP
      GEODYNE INSTITUTIONAL/PENSION ENERGY INCOME LIMITED PARTNERSHIP P-3
      GEODYNE INSTITUTIONAL/PENSION ENERGY INCOME LIMITED PARTNERSHIP P-4
      GEODYNE INSTITUTIONAL/PENSION ENERGY INCOME LIMITED PARTNERSHIP P-5
      GEODYNE INSTITUTIONAL/PENSION ENERGY INCOME LIMITED PARTNERSHIP P-6
       ------------------------------------------------------------------
             (Exact name of Registrant as specified in its Articles)

                              P-1: 0-17800            P-1: 73-1330245
                              P-2: 0-17801            P-2: 73-1330625
  P-1 and P-2:                P-3: 0-18306            P-3: 73-1336573
     Texas                    P-4: 0-18308            P-4: 73-1341929
P-3 through P-6:              P-5: 0-18637            P-5: 73-1353774
   Oklahoma                   P-6: 0-18937            P-6: 73-1357375
- ----------------              ------------            ---------------
(State or other               (Commission             (I.R.S. Employer
jurisdiction of                 File No.)              Identification)
incorporation or
organization)



                  Two West Second Street, Tulsa, Oklahoma 74103
        ----------------------------------------------------------------
               (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (918) 583-1791




                                      -1-






ITEM 5:     OTHER EVENTS

      Year End  Values.  The General  Partner is  required  to provide  year-end
values  of  the  Geodyne   Institutional/Pension   Energy   Income  P-1  Limited
Partnership,   Geodyne   Institutional/Pension   Energy   Income   P-2   Limited
Partnership,  Geodyne  Institutional/Pension  Energy Income Limited  Partnership
P-3,  Geodyne  Institutional/Pension  Energy  Income  Limited  Partnership  P-4,
Geodyne Institutional/Pension Energy Income Limited Partnership P-5, and Geodyne
Institutional/Pension  Energy Income Limited Partnership P-6 (collectively,  the
"Partnerships")  underlying  properties to its limited partners  pursuant to the
Partnerships'  partnership  agreements.  Attached  is a form of the letter to be
sent to the limited  partners on or about January 28, 2000, and a chart showing,
on  a  per-unit  basis,   the  1999  Year-End   Estimated   Valuations  for  the
Partnerships.

ITEM 7:     EXHIBITS

20.1  Form of letter to be sent to the limited  partners of the  Partnerships on
      or about January 28, 2000.

99.1  Chart showing on a per-unit basis the 1999 Year-End  Estimated  Valuations
      for the Partnerships.




                                      -2-







                                  SIGNATURES

      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 hereunto duly authorized.

                              GEODYNE INSTITUTIONAL/PENSION ENERGY
                                    INCOME P-1 LIMITED PARTNERSHIP
                              GEODYNE INSTITUTIONAL/PENSION ENERGY
                                    INCOME P-2 LIMITED PARTNERSHIP
                              GEODYNE INSTITUTIONAL/PENSION ENERGY
                                    INCOME LIMITED PARTNERSHIP P-3
                              GEODYNE INSTITUTIONAL/PENSION ENERGY
                                    INCOME LIMITED PARTNERSHIP P-4
                              GEODYNE INSTITUTIONAL/PENSION ENERGY
                                    INCOME LIMITED PARTNERSHIP P-5
                              GEODYNE INSTITUTIONAL/PENSION ENERGY
                                    INCOME LIMITED PARTNERSHIP P-6

                              By:   GEODYNE RESOURCES, INC.
                                    General Partner


DATE: January 28, 2000              //s// Dennis R. Neill
                                    ------------------------
                                    Dennis R. Neill
                                    President




                                      -3-