EXHIBIT 20.1

                               November 14, 2001



TO:  All  Limited   Partners  in  the  Geodyne  Energy  Income  Limited
     Partnership III-B

RE:  Election to extend term of Partnership for additional two years


      As  previously  described to you, the limited  partnership  agreement,  as
amended (the "Agreement") for the above referenced Geodyne Energy Income Limited
Partnership   (the   "Partnership")  provides  that  the   Partnership   will
automatically terminate and dissolve on January 24, 2002.

      The  Agreement  gives  Geodyne  Resources as General  Partner an option to
extend the term of the Partnership for up to five additional two year terms. Two
years  ago  Geodyne  exercised  the  first  such  extension.  Geodyne  is hereby
notifying you that it has elected to extend the Partnership's term for a second,
additional two year period.  Accordingly,  Geodyne will file an amendment to the
Partnership's  Certificate of Limited  Partnership  extending the  Partnership's
term until January 24, 2004.

      If you have any questions  concerning the  Partnership's  extension please
contact Geodyne Investor Services at 918-583-1791 or 888-436-3963.

                                    Very truly yours,

                                    GEODYNE RESOURCES, INC.,
                                    General Partner

                                    //s// Dennis R. Neill

                                    Dennis R. Neill
                                    President