Drilling continues on Lithuanian Raseiniai license

Sweden’s Tethys Oil AB reported the completion of drilling of the Tidikas-1 exploration well on the Raseiniai license onshore Lithuania.

The Tidikas-1 well, which was drilled vertically to the Cambrian sandstone at a measured depth of 1,412 m, found a combined oil column of nearly 50 m in two different limestone formations. Cores also were taken from Silurian and Ordovician limestones, marl, and dolomites.

The well flowed oil to surface during drillstem tests and will be put on a long-term production test.

Tidikas-1 was the second well drilled this year on the Raseiniai license. The Bedugnis-1 well, which was completed in August, was drilled vertically to a total measured depth of 1,067 m and recorded oil shows while drilling, but no oil flowed to surface (OGJ Online, June 17, 2015). Both wells were targeting Silurian reefs and carbonate features mapped by an 80-sq km 3D seismic study completed in 2014.

“There are now clear indications that an active petroleum system exists within the Raseiniai license,” said Magnus Nordin, Tethys Oil managing director.

The Raseiniai license covers 1,535 sq km onshore Lithuania. Tethys Oil has a 30% indirect interest in the license.

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