The Moqueta-12 well in Colombia's Chazo block logged 141 feet of potential net oil pay in the Villeta T Sandstone starting at 5545 feet measured depth.

Gran Tierra also reported potential net pay of 201 feet at 5818 feet measured depth in the Caballos formation.

"Testing is underway to confirm the fluid content and productivity of the encountered zones and is expected to be completed in December," said a statement from Gran Tierra, which has a 100% stake in the block.

"If