EXHIBIT 4.20 Seventh Amendment to Agreement of Limited Partnership of Geodyne Institutional/Pension Energy Income Limited Partnership P-8 This Seventh Amendment to Agreement of Limited Partnership of Geodyne Institutional/Pension Energy Income Limited...Seventh Amendment to Agreement of Limited Partnership • March 29th, 2006 • Geodyne Institutional Pension Energy Inc LTD Partnership P-8 • Crude petroleum & natural gas
Contract Type FiledMarch 29th, 2006 Company Industry
EXHIBIT 4.10 Seventh Amendment to Agreement of Limited Partnership of Geodyne Institutional/Pension Energy Income Limited Partnership P-7 This Seventh Amendment to Agreement of Limited Partnership of Geodyne Institutional/Pension Energy Income Limited...Seventh Amendment to Agreement of Limited Partnership • March 29th, 2006 • Geodyne Institutional Pension Energy Inc LTD Partnership P-8 • Crude petroleum & natural gas
Contract Type FiledMarch 29th, 2006 Company Industry
Seventh Amendment to Agreement of Limited Partnership of Geodyne Energy Income Limited Partnership III-D This Seventh Amendment to Agreement of Limited Partnership of Geodyne Energy Income Limited Partnership III-D (the "Partnership") is entered into...Seventh Amendment to Agreement of Limited Partnership • March 30th, 2005 • Geodyne Energy Income LTD Partnership Iii-B • Crude petroleum & natural gas
Contract Type FiledMarch 30th, 2005 Company Industry