Roc Oil Company Limited
21 February 2005
21 February 2005
ROC OIL COMPANY LIMITED ('ROC')
STOCK EXCHANGE RELEASE
TWO-WELL APPRAISAL/DEVELOPMENT DRILLING PROGRAMME STARTS AT THE CLIFF HEAD OIL
FIELD, OFFSHORE WESTERN AUSTRALIA
KEY POINT
• Cliff Head-5, the first well of a two well appraisal/development
drilling programme, commenced drilling at the Cliff Head Oil Field on 18
February 2005. By next week's report time, CH-5 is expected to have reached
Total Depth after coring through the prognosed reservoir. The rig will then
move to drill the development well Cliff Head-6.
Roc Oil (WA) Pty Ltd, Operator for and on behalf of the WA-286-P Joint Venture
(the 'Joint Venture'), advises that the ENSCO-56 jack-up drilling rig commenced
drilling the CH-5 appraisal well at 10.30 am on 18 February (Australian Western
Standard Time ('AWST')). As at 0600 hrs Monday 21 February (AWST) the rig had
cemented 9/58 inch casing at 1,110 metres and was preparing to drill ahead.
CH-5 is a vertical 'pathfinder' well located about 1 km southeast of the CH-1
discovery well (Attachment 1*). Regardless of drilling results, CH-5 will be
plugged and abandoned because its primary purpose is to determine the nature and
extent of the reservoir in the East Ridge portion of the Cliff Head structure so
as to better define the location of a horizontal development well which, subject
to a Final Investment Decision ('FID') by the Joint Venture, will be drilled
from the future production platform to access the oil in the East Ridge.
The WA-286-P Joint Venture comprises: Equity
Roc Oil (WA) Pty Ltd (Operator).........................37.5%
AWE Oil (Western Australia) Pty Ltd ....................27.5%
Wandoo Petroleum Pty Ltd ...............................24.0%
Voyager (PB) Limited ....................................6.0%
CIECO Exploration and Production
(Australia) Pty Ltd .....................................5.0%
*For Attachment 1 see copy of this release on ROC's website
(http://www.rocoil.com.au/Pages/ASX_Releases/2005_Releases/February-2005.html)
Bruce Clement For further information please contact:
Chief Operating Officer Dr John Doran
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
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Uses the information solely in relation to the management of their personal funds and not as a trader to the public or for the investment of corporate funds;
Does not distribute, republish or otherwise provide any information or derived works to any third party in any manner or use or process information or derived works for any commercial purposes.
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