US' Talos Energy has successfully completed drill stem test (DST) of the Zama-2 side-track well (Zama-2 ST1) in Block 7, Mexico. Talos has 35% operating interest in Block 7 and the rest are held by Premier Oil (25%) and Sierra Oil and Gas (40%). During the DST operation, a combined flow rate of 7,426 barrels of oil per day was achieved from two separate tests.