Roc Oil Company Limited
19 April 2006
19 April 2006
ROC OIL COMPANY LIMITED ('ROC')
STOCK EXCHANGE RELEASE
EXPLORATION DRILLING UPDATE
1. Jacala-1, WA-351-P, Carnarvon Basin, Offshore Western Australia (ROC: 20%)
ROC advises that as at 0600 hours Western Standard Time on 19 April 2006, the
Atwood Eagle deep water semi-submersible drilling rig had drilled the BHP
Billiton-operated Jacala-1 exploration wildcat well, to a Total Depth of 2,217
metres below rotary table. Current operation is pulling out of the hole prior to
formation evaluation.
Until the formation evaluation programme is completed and the log data analysed,
it is not possible to be definitive about the results of the well. However, at
this stage obvious hydrocarbon shows have not been observed in the well. The
logging programme is expected to be completed by the end of this week after
which a further announcement will be made.
Jacala-1 is located in about 1,060 metres of water approximately 200 km west of
Barrow Island and 100 km northwest of the Enfield Oil and Gas Field.
The WA-351-P Joint Venture comprises:
BHP Billiton Petroleum (North West Shelf) Pty Ltd 55% & Operator
Tap (Shelfal) Pty Ltd 25%
Roc Oil (WA) Pty Ltd 20%
2. Willows-1, PEDL030, Onshore UK (ROC: 100% & Operator)
The ROC Explorer rig is drilling the Willows-1 exploration wildcat well and as
of 2030 hrs UK time on 18 April 2006 the well had been drilled to a depth of 688
metres and the operation was drilling ahead towards the next casing point
expected at approximately 750 metres. Total Depth is expected to be about 2,500
metres. Willows-1 is a potentially large gas prospect located about 55 km east
of York and 15 km south of Scarborough.
3. Wei-6-12-S-1, Block 22/12, Offshore China (ROC: 40% and Operator)
The COSL 931 jack-up drilling rig is currently scheduled to commence drilling
the Wei-6-12-S-1 exploration well during the course of next week. The well is
located in approximately 30 metres of water about 3 km southwest of the 2002
small oil discovery - Wei-6-12-1, and is expected to take about 21 days to
drill.
The Block 22/12 Joint Venture comprises:
Roc Oil (China) Company 40% & Operator
Horizon Oil Limited 30%
Petsec Petroleum Inc 25%
Oil Australia Pty Ltd** 5%
** subsidiary of First Australian Resources Limited
Michelle Manook For further information please contact:
General Manager - Corporate Affairs 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)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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