25 February 2003
Number 08/03
BHP Billiton today announced it had made an oil discovery with its exploration well Stybarrow-1 within WA-255-P in the Exmouth Sub Basin off Western Australia.
The well has reached a measured depth of 2477 metres and encountered a gross oil column of 23 metres with 18.6 metres of net pay in the Macedon Member sandstone reservoir. Water depth is 825 metres.
The Sybarrow-1 discovery is located 55 kilometres northwest of Exmouth, off the West Australian coast.
The significance of the well will be assessed following further evaluation of drilling results. Appraisal drilling will be necessary to determine the size of the find.
The discovery is in an area where there have been a number of discoveries made by the industry. Development planning studies would not be completed until after further appraisal and exploration activity in the permit.
Drilling on Stybarrow-1 commenced on February 12, 2003 using the semi-submersible drilling rig the Atwood Falcon.
Stybarrow-1 is the first well in the current exploration programme in WA-255-P. The Eskdale-1 well, located approximately 13 km north of Stybarrow-1, will also test the Macedon Member sandstone reservoir but in a different trap configuration to Stybarrow-1. Eskdale-1 is expected to spud in early March 2003, after completion of operations on the current well.
BHP Billiton owns a 50% interest and is the operator of WA-255-P with the other 50% held by Woodside Energy Limited.
Australia
Andrew Nairn, Investor Relations
Tel: +61 3 9609 3952 Mobile: +61 408 313 259
email: Andrew.W.Nairn@bhpbilliton.com
Tracey Whitehead, Media Relations
Tel: +61 3 9609 4202 Mobile: +61 419 404 978
email: Tracey.Whitehead@bhpbilliton.com
United Kingdom
Mark Lidiard, Investor & Media Relations
Tel: +44 20 7802 4156 Mobile: +44 7769 934 942
email: Mark.Lidiard@bhpbilliton.com
Ariane Gentil, Media Relations
Tel: +44 20 7802 4177
email: Ariane.Gentil@bhpbilliton.com
United States
Francis McAllister, Investor Relations
Tel: +1 713 961 8625 Mobile: +1 713 480 3699
email: Francis.R.McAllister@bhpbilliton.com
South Africa
Michael Campbell, Investor & Media Relations
Tel: +27 11 376 3360 Mobile: +27 82 458 2587
email: Michael.J.Campbell@bhpbilliton.com
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