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The Dunmore drilling encountered a new hydrocarbon reservoir zone

24 September 2008

The primary reservoir interval was, however, water bearing based and thinner than expected.

The 23 September 2008 Providence Resources and its partners including SOSINA announced the completion of their drilling operations at its 50/6-4 Dunmore appraisal well, located some 40 kilometres off the south coast of Ireland. The well was designed to appraise Jurassic aged sandstone reservoir intervals which were tested as oil bearing in the 50/6-1 discovery well.

The 50/6-4 well was drilled using the Transocean GSF Arctic II semi submersible drilling rig and reached a total depth (TD) of 5,214 ft measured depth below rotary table (MDBRT). The primary Jurassic sandstone reservoir interval was encountered within the pre-drill depth prognosis, but the gross reservoir interval was thinner than had been expected and sandstones present have been determined to be water bearing based on well log data.

A new hydrocarbon bearing Jurassic carbonate reservoir zone was encountered, which had not been anticipated prior to drilling. This reservoir has a c. 20 ft gross thickness and porosities of up to 23%. The reservoir zone exhibited good oil and gas shows whilst drilling, with a hydrocarbon down to the base and is located within a c. 400 ft thick interval of gas bearing shales. Given that this new play type may have future potential, the partners have elected to suspend the well and demobilise the rig since operational timing, equipment availability, and cost constraints have precluded the deployment of this specialist testing equipment within the current drilling programme.

The partnership will now focus on integrating the results of the Dunmore well, in particular on the new Jurassic carbonate play potential. Forward programmes could include the deployment of specialist testing equipment to obtain hydrocarbon samples and to evaluate the productive potential of this interval.

Partners and their respective percentages are Providence Resources Plc (Operator) 53.111%, Challenger Minerals (Celtic Sea) Limited 26.743%, Atlantic Petroleum (Ireland) Limited 13.430% and SOSINA Exploration Limited 6.715%.


Dr. David J. Davies

Managing Director, CEO

SOSINA Exploration Ltd

1 Berry St

Aberdeen AB25 1HF

Tel: +44 1224 845464
Mob: +44 (0)7703 293 649

Mr. John Ødegaard,

Chairman of the Board

Tel: +45 35 31 10 03

Mobile: +45 27 26 00 03

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