Activity Update: Drilling
30 APR 08
1. Offshore Mauritania
Roc Oil (Mauritania) Company, a wholly owned subsidiary of ROC, advises that as at 0100 hours (local time) on 28 April 2008, the Banda NW ST-1 sidetrack well, had reached a Total Depth of 2,934 mBRT and wireline logs, including sampling and pressure measurement tools, were being run.
Preliminary logging results indicate that the well has encountered oil and gas columns with contacts similar to those seen in the discovery well, approximately 2 kilometres to the east.
Participating Interests in the PSC Area B Joint Venture are:
ROC Group Companies..................................................... 3.693%
PC Mauritania I Pty Ltd (Operator)................................. 53.846%
Tullow Oil plc..................................................................... 21.600%
Mauritania Holdings B.V.................................................. 11.630%
Premier Oil Mauritania B Limited..................................... 9.231%
2. Blane Oil Field, North Sea
Roc Oil (GB) Limited, a wholly owned subsidiary of ROC, advises that as at 0600 hours (local time) on 25 April 2008, the "Ocean Princess" rig had moved off location following successfully completing injectivity tests on the 30/3a-3z well.
The forward programme is to finalise the connection of the 30/3a-3z well to the Ula Platform and commission the well by the end of May 2008.
Unitised Interests in the Blane Oil Field are:
Roc Oil (GB) Limited............................................................ 12.5%
Talisman Energy (UK) Limited (Operator)....................... 25.0%
Talisman Energy Norge AS................................................ 18.0%
MOC Exploration (UK) Limited
(a subsidiary of Nippon Oil Corporation)......................... 14.0%
ENI UK Limited ..................................................................... 13.9%
ENI ULX Limited...................................................................... 4.1%
Bow Valley Petroleum (UK) Limited.................................. 12.5%
For further information see: Stock Exchange Release 30.04.08