drilling update

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ROC reports the following activity offshore Mauritania since the last report issued on 14 September 2004.
PSC-C2 - Dorade-1 Exploration Well
The drill rig “West Navigator” temporarily suspended the Dorade-1 exploration well in PSC-C2 after finishing drilling the top hole section and setting casing to a depth of 2347 metres. The bottom hole section, containing the primary interval in the well, is expected to be drilled later by the “Stena Tay”.
PSC-B - Capitaine-1 Exploration Well, Tevét-1 Exploration Well and arrival of “Stena Tay”
Capitaine-1
The Capitaine-1 exploration well was spudded on 16 September 2004 in 1681 metres of water. The top hole section was drilled and 13 3/8 inch casing was run to 2,585 metres depth where the casing became stuck. The casing was cemented at this depth but the operational problems have resulted in the top hole being abandoned and the drilling rig, “West Navigator”, moved off location on September 19. The well will be re-drilled in the near future.
Tevét-1
The drill rig “West Navigator” commenced drilling the top hole section of the Tevét-1 exploration well in 489 metres of water on 20 September. At 0000hrs UTC on 21 September, the well was drilling ahead in 17-1/2 inch hole at a depth of 633 metres.
Arrival of “Stena Tay”
The second drill rig to be used in the current Mauritania offshore drilling campaign, the “Stena Tay”, arrived offshore Mauritania on 14 September 2004 and spudded the Chinguetti-8 development well on 15 September. ROC does not plan to issue further announcements regarding drilling operations on Chinguetti production wells, but will make additional announcements if required to comply with its continuous disclosure obligations under the ASX Listing Rules.
All reported drilling depths are referenced to the rig rotary table and all times are Universal Time (UTC) (Mauritanian time).
The locations of the Chinguetti Oil Field, the Tiof and Banda discoveries and exploration wells to be drilled early in the 2004-05 drilling campaign are shown on the attached map.