SOCO Provides Vietnam Drilling Update

Friday, May 4, 2007

SOCO International plc's majority owned subsidiary, SOCO Vietnam Ltd., announces that the Te Giac Cam (TGC-1X) well, the first well on Prospect "S" in Block 16-1, will be plugged and abandoned after reaching a total depth of 4,196 metres. While the reservoir in the primary target, the Lower Bach Ho 5.2 interval, was not developed, the well did encounter oil shows in the Oligocene and the well was deepened to further evaluate this section.

While drilling in the Oligocene, the well encountered unexpected high pressure, with associated oil and gas shows, and had to be cased using a 7 inch liner prior to drilling to total depth. Examination of the well and logging data indicated that, despite the hydrocarbon influx, it was not sufficiently encouraging for the well to be tested. However, overpressure in the Oligocene could be a positive indication for the Oligocene/Basement target on Prospect "E" approximately 17 kilometres to the southeast.

This rig will be released; however, a new rig, the Adriatic XI, is expected to arrive in June to continue exploration drilling on Block 16-1.

The PVD-1 drilling rig spudded the Te Giac Den (TGD-1X) well on Prospect "E" in Block 16-1 on 5 April 2007. This is the first well for the new rig retained primarily to drill development wells on the Ca Ngu Vang field on Block 9-2. The rig is currently drilling ahead at approximately 1,800 metres preparing to set 13 3/8" casing. The well is expected to take approximately 60 days to drill. A test, if required, would add approximately 30 days to the schedule.

This article is for information and discussion purposes only and does not form a recommendation to invest or otherwise. The value of an investment may fall. The investments referred to in this article may not be suitable for all investors, and if in doubt, an investor should seek advice from a qualified investment adviser. More

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