Abstract
Abstract Two field tests were done injecting a mixture of water and liquid oxygen near Graham, Texas. On the first test the results were on initial decrease in injection pressure and a 20% increase in production for 40 days. The oil field was an irregular six spot water flooded, Gun Sight Sand unconsolidated channel sand formation at a depth of 520 ft. (158 m.). In the second field test oil production increased 20% for 300 days, water injection pressure done on a batch basis increased from 0 to 230 psi (0 to 1590 kPa) to a range of 300 to 550 psi (2068 to 3790 kPa), and oil production from a deeper formation doubled. The oil field was an irregular, five spot, water flooded, Strawn Sand (consolidated sand with limestone formation at a depth of 1900 ft. (579 m.). These tests indicated the water/liquid oxygen process would be an economic success done on an going basis in similar oil formations.
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