Exhibit 4.17 Sixth Amendment to Agreement of Limited Partnership of Geodyne Institutional/Pension Energy Income Limited Partnership P-8 This Sixth Amendment to Agreement of Limited Partnership of Geodyne Institutional/Pension Energy Income Limited...Agreement of Limited Partnership • March 26th, 2004 • Geodyne Institutional Pension Energy Inc LTD Partnership P-7 • Crude petroleum & natural gas
Exhibit 4.9 Sixth Amendment to Agreement of Limited Partnership of Geodyne Institutional/Pension Energy Income Limited Partnership P-7 This Sixth Amendment to Agreement of Limited Partnership of Geodyne Institutional/Pension Energy Income Limited...Sixth Amendment to Agreement of Limited Partnership • March 26th, 2004 • Geodyne Institutional Pension Energy Inc LTD Partnership P-7 • Crude petroleum & natural gas
