Rockpool Acqui Regulatory News (ROC)

8 Feb 2008 07:00

Roc Oil Company Limited08 February 2008 8 February 2008 ROC OIL COMPANY LIMITED ("ROC") STOCK EXCHANGE RELEASE DRILLING UPDATE: LILAC-1 EXPLORATION WELL, OFFSHORE PERTH BASIN Roc Oil (WA) Pty Limited, a wholly owned subsidiary of ROC, advises that sinceits last Stock Exchange Release on 4 February 2008, the Lilac-1 exploration wellin WA-286-P, in the North Perth Basin, offshore Western Australia, has drilledto a Total Depth of 1455 mBRT and wireline logging is underway. The Lilac-1 exploration well encountered sands with weak gas shows andfluorescence. However, preliminary interpretation of mud log, Logging WhileDrilling (LWD) and drill data indicates that the primary reservoir is waterbearing. A final analysis will be made once wireline logging is completed. It isexpected that the well will be plugged and abandoned. The forward programme for the Premium "WilCraft" jack-up drilling rig is to moveto the second well of the current programme, Frankland-2, also in WA-286-P.Frankland-2 will appraise a structure about one kilometre northeast ofFrankland-1 which discovered gas in 2007. Frankland-2 is expected to becompleted by the end of February 2008. Participating Interests in the WA-286-P joint venture are: Roc Oil (WA) Pty Limited.................................................. 37.5%AWE Oil (Western Australia) Pty Ltd....................................... 27.5%ARC Energy (Offshore PB) Limited.......................................... 30.0%CIECO Exploration and Production (Australia) Pty Ltd...................... 5.0% In accordance with ASX and AIM Rules, the information in this Release has beenreviewed and approved by Dr John Doran, Chief Executive Officer, Roc Oil CompanyLimited, BSc (Hons) Geology, MSc and PhD. Dr Doran, who is a member of theSociety of Petroleum Engineers, has more than 30 years of relevant experiencewithin the industry and consents to the information in the form and context inwhich it appears. Damian Fisher For further information please contact:General Manager Dr John Doran onExternal Affairs & Investor Relations 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