San Leon sees positives in Talisman's Baltic shale wells

By OGJ editors

Talisman Energy Inc. and farmee San Leon Energy PLC will proceed to horizontally drill shale formations in Poland’s Baltic basin after completing a three-well vertical drilling program with a successful completion, San Leon Energy said.

Talisman drilled the Szymkowo-1 well on the Szczawno concession to 4,551 m and encountered continuous gas shows over more than 600 m of Lower Silurian and Ordovician shales. The gas shows consisted of C1-C3 and are consistent with a potentially wet gas system, San Leon Energy said.

The strongest gas shows were encountered in the Lower Silurian and Ordovician interval, which is estimated to be more than 100 m thick combined. Several intervals had significant gas shows that San Leon Energy believes are related to natural fracturing and possible overpressure.

Talisman retrieved 315 m of continuous core to evaluate the rock properties of the Lower Silurian and Ordovician intervals. An extensive open-hole logging program was performed to further evaluate the potential. Evaluation and interpretation of the core and logs is expected to take up to 6 months in preparation for continued operations in 2013.

The Szymkowo-1 well was completed and cased for future operations that could include pressure testing of the formations and possibly fracturing several intervals.

San Leon Energy expects Talisman to drill and test its first horizontal well in the first half of 2013 as a continuation of Talisman’s commitment.  Talisman Energy as operator drilled a combined 10,935 m in the Lewino 1G2, Rogity-1, and Szymkowo-1 vertical wells, took about 900 m of shale cores, and operated for 345 days without lost time accident.

San Leon Energy noted that the Szymkowo-1 well results “continue to show the regional variability of the basin and are proof that the deeper parts of the basin are gas charged.”

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