Activity Update: Drilling

26 Mar 2008 07:01

Roc Oil Company Limited26 March 2008 26 March 2008 ROC OIL COMPANY LIMITED ("ROC") STOCK EXCHANGE RELEASE ACTIVITY UPDATE: DRILLING 1. WA-286-P, Perth Basin, Offshore Western Australia Roc Oil (WA) Pty Limited, a wholly owned subsidiary of ROC, advises that as at0600 hours (local time) on 26 March 2008, the Dunsborough-2 appraisal well hadbeen drilled to 1515 mBRT and subsequently a core was cut to a depth of 1,539.5mBRT in the primary target, the Dongara Sandstone. The current operation is recovering the core to surface. Dunsborough-2 is scheduled to reach the proposed Total Depth of approximately1,680 mBRT by next week. Dunsborough-2, located approximately 1.6 kilometres south of the 2007Dunsborough oil and gas discovery, is the third and final well in the currentPerth Basin exploration/appraisal drilling programme. Participating Interests in the WA-286-P Joint Venture are: Roc Oil (WA) Pty Limited (Operator)....................................37.5% ARC Energy (Offshore PB) Limited.......................................30.0% AWE Oil (Western Australia) Pty Ltd....................................27.5% CIECO Exploration and Production (Australia) Pty Ltd....................5.0% 2. Blane Oil Field, North Sea Roc Oil (GB) Limited, a wholly owned subsidiary of ROC, advises that as at 0600hours (local time) on 25 March 2008, the 30/3a-3 water injection well was at adepth of 2,603 mBRT. The forward programme is to drill to a planned Total Depth of approximately3,810 mBRT and commission the well during May 2008. Unitised Interests in the Blane Oil Field are: Roc Oil (GB) Limited...................................................12.5% Talisman Energy (UK) Limited...........................................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% Damian FisherGeneral ManagerExternal Affairs & Investor Relations For further information please contact: 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)20 7495 5707/+61 (0)2 8356 2000 Mob: +44 (0)7751 3671 49/+61 (0)417 261 727 Email: khird@rocoil.com.au Michael Shaw Oriel Securities Limited (Nominated Adviser) Tel: +44 (0)20 7710 7600 Bobby Morse Buchanan Communications Tel: + 44 (0)20 7466 5000 Fax: + 44 (0)20 7466 5001 E-Mail: bobbym@buchanan.uk.com Mob: +44 (0)7802 875 227 This information is provided by RNS The company news service from the London Stock Exchange