EO. Encore Oil

RNS Number:3750E
EnCore Oil PLC
24 September 2007





Press Release

For immediate release: 24 September 2007



EnCore Oil plc ("EnCore" or "the Company")





        Commencement of Drilling Operations on Breagh Gas Appraisal Well



EnCore Oil plc (LSE: EO.) is pleased to announce that drilling operations on the
Breagh appraisal well on Southern North Sea block 42/13 have commenced.



The Breagh gas discovery was made in 1997 by well 42/13-2 drilled by Mobil,
which encountered a 450 ft gas column and a net gas pay of approximately 68 ft
within sandstones of the Lower Carboniferous Scremerston Formation.  The well
was cored and logged but tested at sub-commercial flow rates, believed to be due
to formation damage that occurred during drilling and completion of the well.



The well is designed with the principal objective of achieving a test flow rate
representative of the undamaged formation, which will be important in
determining the commercial viability of the discovery.



The well is being drilled by the ENSCO 85 jack-up rig and is operated by
Sterling Resources Limited, which holds a 50 per cent. interest in the licence.
EnCore will fund 30 per cent. of the planned gas appraisal well to earn a 15 per
cent. equity.



Graham Dore B.Sc. (Hons.) in Geology and M.Sc. in Petroleum Geology and EnCore's
Exploration Director, who has over 20 years' experience in the oil exploration
and production industry, has reviewed and approved the technical information
contained in this announcement.





For further information, please contact:


EnCore Oil plc                                                            www.encoreoil.co.uk
Alan Booth, Chief Executive Officer                                       +44 (0)20 7224 4546
Eugene Whyms, Chief Financial Officer

Aquila Financial Limited                                                  www.aquila-financial.com
Peter Reilly                                                              +44 (0)20 7202 2601
Yvonne Fraser                                                             +44 (0)20 7202 2609

Hanson Westhouse Limited
Tim Feather                                                               +44 (0)113 246 2610

KBC Peel Hunt
Jonathan Marren                                                           +44 (0)20 7418 8900






Notes to Editors:



EnCore Oil plc (LSE:EO.) is an oil and gas exploration and production (E&P)
company quoted on AIM.



At EnCore, it is not the Company's aim to build a full cycle E&P company.  The
principal strategy is to create shareholder value through the successful
exploration and appraisal of prospects and discoveries.  The Company will seek
to monetise or exchange the asset at the appropriate point in its life cycle and
return value directly to shareholders wherever possible.



EnCore has an experienced and proven management team, a number of whom were
responsible for the discovery of the Buzzard field in the UK North Sea, which
currently produces 10 per cent. of the UK's total oil production.



All EnCore's commercial and material technical evaluations are undertaken
in-house by the EnCore team.  This brings both continuity to the management and
development of the assets and an ownership that is vital to unearth the best and
most creative new ideas and opportunities.



EnCore currently holds a balanced portfolio of interests in licences both on and
offshore, primarily focused on the UKCS.  During 2007/2008 EnCore expects to
participate in the drilling of at least twelve wells.



www.encoreoil.co.uk




                      This information is provided by RNS
            The company news service from the London Stock Exchange
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