Dana Petroleum Announces Results Of Sidetrack At Tornado, West Of Shetland, UK

Published: 02-Nov-2009

Dana Petroleum plc (Dana Petroleum) has reported the results of the sidetrack drilled on the Tornado prospect, offshore West of Shetland, UK. The well is located about 10 kilometers (km) northwest of the Suilven discovery and 30km northwest of the Schiehallion, Foinaven and Loyal producing fields.

OMV Aktiengesellschaft (OMV), as operator for the license, has completed the drilling of the sidetrack to the Tornado exploration well. The sidetrack was drilled to a true vertical depth of 8,654 feet in the Lamba formation. The water depth at this location is 1,048 meters and the well was drilled by the Stena Carron drillship as a cost sharing endeavour between production licenses P.1190 and P.1262. The participants in the Tornado well are Dana Petroleum 30%, OMV 35%, Dong Energy A/S 20%, Faroe Petroleum Plc 7.5% and Idemitsu E&P 7.5%.

The original well, 204/13-1, discovered gas and oil in Tertiary reservoir sandstones which are approximately 90 feet thick, with average porosity of 28.5%. The sidetrack, 204/13-1Z, drilled approximately 120 feet of sandstone with average porosity of 29%. The thickness, quality and extent of the reservoir are in line with pre-drill prognosis.

The gas-oil contact which was penetrated in the original well was encountered in the sidetrack at the same depth. An oil-water contact was penetrated in the sidetrack consistent with the oil column observed in the original well. Extensive sampling of the fluids has been undertaken.

Dana Petroleum’s Chief Executive, Tom Cross commented: “We are delighted to have discovered oil & gas in both the original Tornado Well and the sidetrack well. A thorough analysis of data gathered is already underway.”

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