Drilling Report

29 Mar 2005 07:01

Roc Oil Company Limited29 March 2005 29 March 2005 ROC OIL COMPANY LIMITED STOCK EXCHANGE RELEASE DRILLING ACTIVITY UPDATE: HADDA-1, EXPLORATION WILDCAT WELL, OFFSHORE PERTH BASIN, WESTERN AUSTRALIA Roc Oil (WA) Pty Ltd, Operator for and on behalf of the WA-325-P Joint Venture,advises that, as at 06.00 hours on 29 March 2005, Australian Western StandardTime, the ENSCO 56 jack-up drilling rig was released from the Hadda-1 locationafter the well had been plugged and abandoned as a dry hole with oil shows intight sands. Hadda-1, a rank exploration wildcat well, was drilled as a vertical well inabout 45 metres of water, about 150 km northwest of Geraldton, Western Australiaand some 200 km northwest of the Cliff Head Oil Field. The Hadda Joint Venture comprises: Equities post-dealsWA-325-P Current Equities announced but not yet completedRoc Oil (WA) Pty Ltd 37.50% 37.50%Apache Northwest Pty Limited 37.50% 37.50%Voyager (PB) Limited 10.00% 12.50%Bounty Oil & Gas NL 10.00% 7.50%Wandoo Petroleum Pty Limited 5.00% 5.00% Bruce Clement For further information please contact:Chief Operating Officer Dr John Doran on Tel: +61-2-8356-2000 Fax: +61-2-9380-2635 E-mail: 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