The cased hole drill stem tests (DST) program, designed to evaluate only the primary reservoirs in the field, commenced on February 2, 2008. Five DSTs were completed over the lower, middle and upper Caballos formation, and in the Villeta T formation.
The Costayaco-2 well bore is currently being completed for production. Produced oil will be transported through a new six-inch flow line to the Costayaco-1 truck loading facility, where it will be mixed with crude oil from Costayaco-1 for trucking to Uchupayaco and the existing pipeline network.
The Costayaco-1 discovery well is reportedly continuing to produce approximately 3,500 barrels of oil gross from the Caballos and Villeta T sandstone reservoirs.
Dana Coffield, president and CEO of Gran Tierra Energy, said: The outstanding production rates by natural flow established in Costayaco-2, without the assistance of supplementary pumping, confirms the superior reservoir continuity and production capacity found in the original discovery well can be replicated in the Costayaco Field.
