Document:

EXHIBIT 4.33

                               Eighth Amendment to
                       Agreement of Limited Partnership of
                 Geodyne Energy Income Limited Partnership III-C

      This Eighth  Amendment  to  Agreement  of Limited  Partnership  of Geodyne
Energy Income Limited  Partnership III-C (the  "Partnership") is entered into by
and between Geodyne Resources,  Inc. ("Resources"),  a Delaware corporation,  as
successor General Partner, Geodyne Depositary Company ("Depositary"), a Delaware
corporation,  as the  Limited  Partner,  and all  Substituted  Limited  Partners
admitted to the Partnership.

      WHEREAS, on February 26, 1990, Geodyne Production Company ("Geodyne"),  as
General Partner, and Depositary executed and entered into that certain Agreement
of Limited Partnership of the Partnership (the "Agreement"); and

      WHEREAS,  on February  25,  1993,  Geodyne  executed and entered into that
certain  First  Amendment  to the  Agreement of Limited  Partnership  whereby it
changed (i) the name of the Partnership from "PaineWebber/Geodyne  Energy Income
Partnership III-C" to "Geodyne Energy Income Limited  Partnership  III-C",  (ii)
the address of the  Partnership's  principal  place of  business,  and (iii) the
address for the Partnership's agent for service of process; and

      WHEREAS, on August 4, 1993, Geodyne executed and entered into that certain
Second  Amendment  to the  Agreement  of  Limited  Partnership  in  order to (i)
expedite the method of accepting  transfers of Unit  Holders' (as defined in the
Agreement)  Units in the  Partnership  and (ii) provide for an optional right of
repurchase/redemption which may be exercised by the Unit Holders; and

      WHEREAS,  on August 31,  1995,  Geodyne  executed  and  entered  into that
certain Third Amendment to the Agreement of Limited  Partnership whereby Section
8.1.A(ii)  of the  Agreement  was deleted in order to allow  transfers  of Units
facilitated  through a matching service to the extent that they otherwise comply
with Internal Revenue Service transfer  regulations  applicable to non-permitted
transfers for non-publicly traded limited partnerships; and

      WHEREAS,  on June 30, 1996,  Geodyne merged into Geodyne  Resources,  Inc.
("Resources"); and

      WHEREAS,  on  July  1,  1996,  Resources,   as  successor  via  merger  to
Properties,  executed and entered into, as General Partner,  that certain Fourth
Amendment  to the  Agreement  of Limited  Partnership  whereby  it  amended  the
Agreement to provide that Resources,  as successor via merger to Geodyne, is the
General Partner of the Partnership; and

     WHEREAS,  on December  30, 1999,  Resources  executed and entered into that
certain Fifth Amendment to the Agreement whereby the term of the partnership was
extended for an additional two years, until February 27, 2002; and

     WHERAS,  on February  14,  2001,  Resources  executed and entered into that
certain Sixth Amendment to the Agreement whereby the term of the partnership was
extended for an additional two years, until February 27, 2004; and

                                      -1-
<PAGE>

      WHEREAS,  on January 22,  2004,  Resources  executed and entered into that
certain Seventh  Amendment to the Agreement  whereby the term of the partnership
was extended until December 31, 2005; and

      WHEREAS,  Section 2.3 of the Agreement provides that the Partnership shall
continue  in full  force and effect for a period of ten (10) years from the date
of its  Activation  (as  defined in the  Agreement),  provided  that the General
Partner may extend the term of the  Partnership for an additional 58 days of the
current two year period and for an  additional  two periods of two years each if
it believes each such  extension is in the best interests of the Unit Holders or
until dissolution prior thereto pursuant to the provisions of the Agreement, and

      WHEREAS,  Resources  as General  Partner has elected to extend the life of
the Partnership through December 31, 2007.

      NOW,  THEREFORE,  in  consideration  of  the  covenants,   conditions  and
agreements herein contained, the parties hereto hereby agree as follows:

      Section 2.3. is hereby amended and restated as follows:

            The  Partnership  shall  continue in force and effect until December
         31, 2007,  provided that the General Partner may extend the term of the
         Partnership  for an  additional  58 days of the current two year period
         and for an  additional  one  period  of two years if it  believes  such
         extension  is in the  best  interests  of the  Unit  Holders,  or until
         dissolution prior thereto pursuant to the provisions hereof.

      IN WITNESS WHEREOF, the parties hereto have hereunto set their hands as of
this 27th day of October, 2005.

                                    GEODYNE RESOURCES, INC.,
                                    as General Partner

                                    By:   //s// Dennis R. Neill
                                          --------------------
                                          Dennis R. Neill
                                          President

                                    GEODYNE DEPOSITARY COMPANY,
                                    as the Limited Partner

                                    By:   //s// Dennis R. Neill
                                          ---------------------
                                          Dennis R. Neill
                                          President

                                    GEODYNE RESOURCES, INC.
                                    as Attorney-in-Fact for all
                                    Substituted Limited Partners

                                    By:   //s// Dennis R. Neill
                                          ---------------------
                                          Dennis R. Neill
                                          President

                                      -2-EXHIBIT 4.44

                               Eighth Amendment to
                       Agreement of Limited Partnership of
                 Geodyne Energy Income Limited Partnership III-D

      This Eighth  Amendment  to  Agreement  of Limited  Partnership  of Geodyne
Energy Income Limited  Partnership III-D (the  "Partnership") is entered into by
and between Geodyne Resources,  Inc. ("Resources"),  a Delaware corporation,  as
successor General Partner, Geodyne Depositary Company ("Depositary"), a Delaware
corporation,  as the  Limited  Partner,  and all  Substituted  Limited  Partners
admitted to the Partnership.

      WHEREAS, on September 5, 1990, Geodyne Production Company  ("Production"),
as General  Partner  and  Depositary  executed  and  entered  into that  certain
Agreement of Limited Partnership of the Partnership (the "Agreement"); and

      WHEREAS,  on February 25, 1993,  Production executed and entered into that
certain  First  Amendment  to the  Agreement of Limited  Partnership  whereby it
changed (i) the name of the Partnership from "PaineWebber/Geodyne  Energy Income
Partnership III-D" to "Geodyne Energy Income Limited  Partnership  III-D",  (ii)
the address of the  Partnership's  principal  place of  business,  and (iii) the
address for the Partnership's agent for service of process; and

      WHEREAS,  on August 4, 1993,  Production  executed  and entered  into that
certain Second Amendment to the Agreement of Limited Partnership in order to (i)
expedite the method of accepting  transfers of Unit  Holders' (as defined in the
Agreement)  Units in the  Partnership  and (ii) provide for an optional right of
repurchase/redemption which may be exercised by the Unit Holders; and

      WHEREAS,  on August 31,  1995,  Production  executed and entered into that
certain Third Amendment to the Agreement  whereby it amended certain  provisions
to allow transfers of Units facilitated through a matching service to the extent
that such transfers  otherwise  comply with Internal  Revenue  Service  transfer
regulations  applicable  to  non-permitted  transfers  for  non-publicly  traded
limited partnerships; and

      WHEREAS, on June 30, 1996, Production merged into Geodyne Resources,  Inc.
("Resources"); and

      WHEREAS,  on  July  1,  1996,  Resources,   as  successor  via  merger  to
Production,  executed and entered into, as General Partner,  that certain Fourth
Amendment  to the  Agreement  of Limited  Partnership  whereby  it  amended  the
Agreement to provide that Resources,  as successor via merger to Geodyne, is the
General Partner of the Partnership; and

     WHEREAS,  on August 23,  2000,  Resources  executed  and entered  into that
certain Fifth Amendment to the Agreement whereby the term of the partnership was
extended for an additional two years, until September 5, 2002, and

     WHEREAS,  on August 20,  2002,  Resources  executed  and entered  into that
certain Sixth Amendment to the Agreement whereby the term of the partnership was
extended for an additional two years, until September 5, 2004; and

                                      -1-
<PAGE>

      WHEREAS,  on August 18,  2004,  Resources  executed  and entered into that
certain Seventh  Amendment to the Agreement  whereby the term of the partnership
was extended until December 31, 2005; and

      WHEREAS,  Section 2.3 of the Agreement provides that the Partnership shall
continue  in full  force and effect for a period of ten (10) years from the date
of its  Activation  (as  defined in the  Agreement),  provided  that the General
Partner may extend the term of the Partnership for an additional 247 days of the
current  two year  period and for up to an  additional  two periods of two years
each if it believes  each such  extension  is in the best  interests of the Unit
Holders or until  dissolution  prior thereto  pursuant to the  provisions of the
Agreement, and

      WHEREAS,  Resources  as General  Partner has elected to extend the life of
the Partnership through December 31, 2007.

      NOW,  THEREFORE,  in  consideration  of  the  covenants,   conditions  and
agreements herein contained, the parties hereto hereby agree as follows:

      Section 2.3. is hereby amended and restated as follows:

                  The  Partnership  shall  continue  in force and  effect  until
            December 31, 2007,  provided that the General Partner may extend the
            term of the  Partnership  for an additional  247 days of the current
            two year period and for an additional  one period of two years if it
            believes  such  extension  is in the  best  interests  of  the  Unit
            Holders,   or  until  dissolution  prior  thereto  pursuant  to  the
            provisions hereof.

      IN WITNESS WHEREOF, the parties hereto have hereunto set their hands as of
this 27th day of October, 2005.

                                    GEODYNE RESOURCES, INC.,
                                    as General Partner

                                    By:   //s// Dennis R. Neill
                                          ---------------------
                                          Dennis R. Neill
                                          President

                                    GEODYNE DEPOSITARY COMPANY,
                                    as the Limited Partner

                                    By:   //s// Dennis R. Neill
                                          ---------------------
                                          Dennis R. Neill
                                          President

                                    GEODYNE RESOURCES, INC.
                                    as Attorney-in-Fact for all
                                    Substituted Limited Partners

                                    By:   //s// Dennis R. Neill
                                          ---------------------
                                          Dennis R. Neill
                                          President

                                      -2-

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