Gran Tierra Energy Announces Costayaco-6 Encounters Deeper Oil Column in Costayaco Field, Colombia
December 3rd, 2008… field. Costayaco-6 was spud on October 5, 2008. It is a southwestern delineation well for the Costayaco field (approximately 6,923 feet … Tierra Energy, through its wholly-owned subsidiary Solana Resources Limited, has a 100% working interest in the Guachiria Norte Block. …