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 30, 2006


       GEODYNE INSTITUTIONAL/PENSION ENERGY INCOME P-1 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
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             (Exact name of Registrant as specified in its Articles)

P-1  Texas             P-1: 0-17800      P-1: 73-1330245
                       P-3: 0-18306      P-3: 73-1336573
                       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
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(State or other        (Commission       (I.R.S. Employer
jurisdiction of          File No.)       Identification)
incorporation or
organization)



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

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

      Check the  appropriate  box below if the Form 8-K  filing is  intended  to
simultaneously  satisfy the filing obligation of the Registrant under any of the
following provisions:

    [     ] Written  communications  pursuant to Rule 425 under the Securities
            Act (17 CFR 230.425)
    [     ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act
            (17 CFR 240.14a-12)
    [     ] Pre-commencement  communications  pursuant to Rule 14d-2(b) under
            the Exchange Act (17 CFR 240.14d-2(b))
    [     ] Pre-commencement  communications  pursuant to Rule 13e-4(c) under
            the Exchange Act (17 CFR 240.13e-4(c))

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ITEM 8:   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 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 30, 2006, and a chart showing,
on  a  per-unit  basis,   the  2005  Year-End   Estimated   Valuations  for  the
Partnerships.

ITEM 9:   EXHIBITS

20.1     Form of letter to be sent to the limited partners of the Partnerships
         on or about January 30, 2006.

99.1     Chart  showing  on  a  per-unit  basis  the  2005  Year-End   Estimated
         Valuations for the Partnerships.

                                   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 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
                                        //s// Dennis R. Neill
                                      -----------------------------
                                      Dennis R. Neill
                                      President
DATE: January 30, 2006

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