Premier said in a press release on April 16 that Talos Energy, the operator of Block 7 offshore Mexico, successfully conducted a drill stem test of the Zama-2 side track well (Zama-2ST1).
This follows the successful Zama-2 appraisal well which completed in January.
Drill stem test operations were successfully conducted on Zama-2ST1 and a combined oil flow rate of 7,426 barrels per day of oil was achieved from two separate flow tests over a total perforated interval of 248 ft. As planned, rates were restricted due to limited drawdown to prevent sand production. Flow and pressure measurements indicate a prolific reservoir.
The Zama-2ST1 logged 873 ft of gross oil bearing reservoir with a net-to-gross ratio of c. 70%, in line with expectations. In addition, 714 ft of whole core was cut with 98% recovery.
The rig will now move to drill the third and final Block 7 appraisal well (Zama-3) to confirm lateral reservoir continuity and quality in the southern part of the field. The program remains ahead of schedule and under budget.
“We are very pleased by the productivity demonstrated by this well and we continue to collect further evidence that Zama has a world-class reservoir with excellent quality and well-connected sands. This has positive implications for the expected ultimate recovery from the field and will help us to optimize the field development. We look forward to the conclusion of the Block 7 appraisal program with the Zama-3 well,” Tony Durrant, Premier’s CEO, said.
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