Exhibit 10.70 CONTRACT No.: GCI-003-99 SELLER: ARGOSY ENERGY INTERNATIONAL AND OBJECT: SANTANA CRUDE SALE/PURCHASE PERIOD: FEBRUARY 1, 1999 TO DECEMBER 31, 1999 AMOUNT: UNDETERMINED QUANTITY The contracting parties, on one hand, the EMPRESA COLOMBIANA...Aviva Petroleum Inc /Tx/ • March 30th, 1999 • Crude petroleum & natural gas
