Cairn Makes Discovery at Raageshwari East

In advance of the planned Mangala development drilling, the first exploration well in the 2008/09 exploration program has been successful with the completion of the Raageshwari East 1/1Z well on RJ-ON-90/1. The discovery is located approximately 1.5 km east of the Raageshwari 1 well in the southern part of the Mangala, Aishwariya Raageshwari and Saraswati development area. The adjacent Raageshwari field is commercial and has an approved field development plan. The well was spudded on November 21 and reached total depth (TD) on November 24.

The well encountered approximately 10 meters (m) of net oil pay from a gross column of 81m in sands in the Thumbli formation below 1,425m. The open hole drill stem test flowed 40 degree API oil at a stabilized rate of 500 barrels of oil per day plus 0.4 mmscfd gas on 64/64" choke from a 4m Net pay interval in the Upper Thumbli Sand. In addition 1.4m of gas pay was identified in the Akli formation at 1247.8m MDBRT (1153.03m TVDSS).
"The success of this well on the eastern flank of the Raageshwari structure extends the productive reservoir in a new trapping style and proved a deeper oil column," Rahul Dhir, Chief Executive Officer of Cairn India, said. "The well also demonstrates the potential for the addition of incremental reserves from the areas around the discoveries already made in the licence. Future work on the Raageshwari East 1/1Z discovery includes field studies to determine the extent of the discovery as well as evaluate cost effective development options."

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