Drilling Update

Empyrean Energy PLC 18 October 2006 Empyrean Energy PLC ('Empyrean' or the 'Company'; Ticker: (EME)) Sugarloaf Hosston Prospect, Texas USA ------------------------------------- AIM quoted Empyrean Energy PLC today announces that at 6am Texas time on 17th October 2006 the Sugarloaf-1 exploration well, located in the onshore Gulf Coast Basin in Texas, USA, was at a depth of 17,000 feet (5,183 metres) and the operator was preparing to run 7 inch liner to be tied back into the 9 5/8 inch casing set at 14,480 feet (4,415 metres). Since the last report, the well drilled 2,520 feet (768 metres) of 8 1/2 inch diameter hole, mostly in a Cretaceous age limestone, which was a secondary gas target in the well. In this interval, several methane-only gas shows were obtained. In order to isolate the extensive interval of limestone in anticipation of higher pressures in the Hosston Formation target, drilling was halted at 17,000 feet (5,183 metres) to enable a 7 5/8 inch liner to be run and cemented in place. Wire-line logs have been run over the interval 14,480 to 17,000 feet (4,415 to 5,183 metres) and preliminary interpretation indicates the presence of a few thin zones of interest. A decision as to whether any zone is sufficiently attractive to warrant production testing will be made by the joint venture once the well has reached total depth and final logs are available. After the 7 inch casing has been run and set, drilling will resume towards and into the primary Hosston Formation target, which is expected to be reached within a few days. Based on seismic data and an offset well the Hosston Formation is anticipated to consist of more than 4000 feet (1,220 metres) of inter-bedded sandstones and shales with the potential for multiple prospective intervals. The proposed total depth of 21,000 feet (6,400 metres) is expected to be reached during November assuming trouble-free drilling The information contained in this announcement was completed and reviewed by the Technical Director of Empyrean Energy Plc, Mr Frank Brophy BSc (Hons) who has over 40 years experience as a petroleum geologist. For further information Laurence Read/ Ed Portman Conduit PR Tel: +44 (0) 207 429 6605 / +44 (0) 7979955923 Empyrean Energy plc Tel : +44(0) 207 932 2442 Imran Ahmad/ Cecil Jordaan HB-Corporate Tel: +44(0) 207 510 8600 This information is provided by RNS The company news service from the London Stock Exchange
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