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...Geodyne Institutional Pension Energy Inc LTD Partnership P-8 • March 29th, 2006 • Crude petroleum & natural gas
Company FiledMarch 29th, 2006 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...Geodyne Institutional Pension Energy Inc LTD Partnership P-8 • March 29th, 2006 • Crude petroleum & natural gas
Company FiledMarch 29th, 2006 Industry