The Gacheta reservoir, which accounted for almost half the uncovered pay, later flow tested at a gross rate of 2930 barrels per day of 31 degrees API oil and 75,000 square feet of gas per day on a 24-hour test.

The explorer plans to test the Mirador and then put one of the reservoirs onto long-term production test.

Chief executive Charle Gamba said that the explorer had decided to add a second rig to the licence based on its success to date.

"Pantro