Nostra Terra Oil and Gas Company plc
(the "Company")
Drilling update Oktyabrskoe #24
3 September 2008
Nostra Terra Oil and Gas Company plc advises that it has stopped work on its
Oktyabrskoe #24 well.
Following the removal of the cement bridge plugs on March 14, 2008 the well
produced gas and minor amounts of oil and water. The initial pressure of the
reservoir was such that over the next ten days the well produced oil and water
with the oil content gradually increasing. Subsequently, the well was fitted
with a small pump and the well was put on production. The addition of the
production pump resulted in the oil and water ratio remaining constant at around
5%-10% of oil. The constant ratio of oil to water indicated that water was
seeping into the well bore from another source. Over the last few months the
Company attempted to isolate the oil- bearing zones from the water zones by re-
working the bottom of the well and doubling the packers. However in spite of all
our efforts the oil/water ratio remains substantially unchanged, indicating that
water is migrating into the perforated zones. Given the uncertainty as to the
source of the water and the extent of the work already undertaken, the directors
have concluded that any further expenditure on well #24 cannot be justified.
The Ukraine operation continues to produce about 12-15 barrels of oil per day
from Oktyabrskoe #1 which currently covers the majority of local operating
expenditure in the Ukrainne. Consideration is being given to opening the
remaining wells in the Oktyabrskoe field but given the target area will be in
the same zones as #24 it is likely that the work plan will be cancelled. An
evaluation is also being undertaken to look at the feasibility of moving
operations to well #29 in the West Oktyabrskoe field where the CPR identified
71% of the Company's reserves (Oil price $65.35 and Gas price of $3.66 Mcf.). In
each case however the Company will need to raise further working capital to meet
the anticipated exploration and ongoing operating costs.
The directors are in the process of evaluating the above and other strategic
possibilities and will report back to shareholders in due course.
For further information contact:
Nostra Terra Oil and Gas Company plc
Brian Courtney, Chief Executive Officer bcourtney@ntog.co.uk
Stephen Oakes, Non-executive Director Tel: +44 (0)207 877 8788
Blomfield Corporate Finance Limited Tel: +44 (0)20 7489 4500
Alan MacKenzie
Peter Trevelyan-Clark
END
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