CONTRACT NAME: RIO VERDE CONTRACTOR: HARKEN DE COLOMBIA LIMITED EFFECTIVE DATE: SEPTEMBER 14 OF 2004Harken Energy Corp • September 16th, 2004 • Crude petroleum & natural gas
Company FiledSeptember 16th, 2004 Industry• Re-completion of Tilodirán No. 1 Well in the Upper Gachetá Formation and development of a testing program focused to evaluation of the structure in which the well is completed.