Mauritania Offshore Update

18 Oct 2005 07:01

Roc Oil Company Limited18 October 2005 18 October 2005 ROC OIL COMPANY LIMITED ("ROC") STOCK EXCHANGE RELEASE MAURITANIA OFFSHORE DRILLING UPDATE ROC advises that the following release was made earlier today by WoodsidePetroleum Ltd: "Woodside Mauritania Pty. Ltd., a wholly-owned subsidiary of Woodside PetroleumLtd., reports the following activity offshore Mauritania since the last reportissued on 11 October 2005. PSC Area B: Tevet-2 ST1 Combined Appraisal and Exploration Well The Tevet-2 sidetrack (ST1) was drilled to a depth of 3,667 metres by the 'StenaTay' drill rig. At midnight on 17 October 2005, 7 inch liner was being run priorto drilling ahead to the Cretaceous exploration objective. The planned totaldepth of the well is approximately 3,965 metres. General All reported drilling depths are referenced to the rig rotary table and alltimes are Universal Time (UTC) (Mauritanian time). The locations of planned exploration wells and the Chinguetti Oil Field areshown on the attached map*." Participating Interests in the Chinguetti Joint Venture and relevant PSC areasare: +---------------------------+-----------+----------+----------+----------+| Company |Chinguetti | PSC-A | PSC-B | PSC-C, || | Joint | | | Block 6 || | Venture | | | |+---------------------------+-----------+----------+----------+----------+|Woodside group companies | 47.38448% | 53.846% | 53.846% | 37.578% ||(Operator) | | | | |+---------------------------+-----------+----------+----------+----------+|Hardman group companies | 19.00800% | 24.3% | 21.6% | 22.422% |+---------------------------+-----------+----------+----------+----------+|Groupe Project Chinguetti | 12.00000% | -- | -- | -- |+---------------------------+-----------+----------+----------+----------+|BG group companies | 10.23440% | 13.084% | 11.63% | -- |+---------------------------+-----------+----------+----------+----------+|Premier group companies | 8.12328% | -- | 9.231% | -- |+---------------------------+-----------+----------+----------+----------+|Roc Oil group companies | 3.24984% | 4.155% | 3.693% | 5.0% |+---------------------------+-----------+----------+----------+----------+|Fusion group companies | -- | 4. 615% | -- | -- |+---------------------------+-----------+----------+----------+----------+|Petronas Carigali Overseas | -- | -- | -- | 35.0% ||Sdn Bhd | | | | |+---------------------------+-----------+----------+----------+----------+ *Map attached to the copy of this release on ROC's website.(http://www.rocoil.com.au/Pages/ASX_Releases/2005_Releases/October-2005.html) Michelle Manook For further information please contact:General Manager - Corporate Affairs Dr John Doran on Tel: +61-2-8356-2000 Fax: +61-2-9380-2635 Email: jdoran@rocoil.com.au Or visit ROC's website: www.rocoil.com.au Dr Kevin Hird General Manager Business Development Tel: +44 (0)207 586 7935 Fax: +44 (0)207 722 3919 Email: khird@rocoil.com.au Nick Lambert Bell Pottinger Corporate & Financial Tel: +44 (0)207 861 3232 This information is provided by RNS The company news service from the London Stock Exchange