1. Block 22/12, Beibu Gulf, Offshore China
Roc Oil (China) Company, a wholly owned subsidiary
of ROC, advises that as at 1230 hours (local time) on 14 March 2008, the Wei
6-12E-1A exploration well was plugged and abandoned as foreshadowed in ROC's
Stock Exchange Release dated 11 March 2008.
The review referred to in ROC's Stock Exchange
Release dated 11 March 2008 has been completed. For a variety of operational
reasons, the Joint Venture has decided not to drill the Wei-12-2N-1 well as
part of the current drilling programme.
Participating Interests in the Block 22/12 Joint
Venture are:
Roc Oil
(China) Company (Operator)............................. 40%
Horizon Oil
Limited............................................................. 30%
Petsec Petroleum*..............................................................
25%
Oil Australia Pty
Ltd**........................................................... 5%
The above interests are subject to Government participation in
developments of up to 51%
*a subsidiary of Petsec Energy Ltd **a subsidiary of First Australian
Resources
2. WA-286-P,
Perth Basin, Offshore Western Australia
Roc Oil (WA) Pty
Limited, a wholly owned subsidiary of ROC, advises that as at 0600 hours
(local time) on 19 March 2008, the Premium "WilCraft"
jack-up drilling rig was still waiting on weather prior to moving to
Dunsborough-2, 26 kilometres to the north.
Participating
Interests in the WA-286-P Joint Venture are:
Roc Oil (WA) Pty Limited
(Operator)................................. 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%
3. PSC
Area C, Block 6, Offshore Mauritania
Roc Oil
(Mauritania) Company, a wholly owned subsidiary of ROC, advises that as at
0600 hours (local time) on 18 March 2008, the Khop-1 exploration well has
been drilled to a depth of 4,158 mBRT.
The forward
programme is to continue to drill to the planned Total Depth of 4,320 mBRT.
The Khop-1
exploration well is located approximately 70 kilometres from the Mauritanian
coast.
Participating
Interests in the PSC Area C, Block 6 Joint Venture are:
Roc Oil
(Mauritania) Company..................................... 5.000%
PC Mauritania I Pty Ltd
(Operator).............................. 37.578%
Petronas Carigali Overseas Sdn Bhd....................... 35.000%
Tullow Oil
plc.................................................................. 22.422%
4. Blane Oil
Field, North Sea
Roc Oil (GB)
Limited, a wholly owned subsidiary of ROC, advises that as at 0600 hours
(local time) on 17 March 2008, the "Ocean Princess" rig was
preparing to sidetrack the 30/3a-3 water injection well, consistent with the
original drilling programme.
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 (U.K.) 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%