RPT.L Regulatory News (RPT)

21 Dec 2007 07:02

Regal Petroleum PLC21 December 2007 Immediate Release 21 December 2007 REGAL PETROLEUM PLC ("Regal" or "the Company") Gas Discovery in Dornesti Sud-1 Well in Romania The Company is pleased to announce that Aurelian Oil and Gas plc, through itswholly owned Romanian subsidiary, Aurelian Oil & Gas Romania S.R.L.("Aurelian"), as operator of the Suceava EV-1 Concession (the "Concession") inRomania has completed flow testing of the Dornesti Sud-1 exploration well. A flow test of a 12.5 metre interval, from 531.8 metres to 544.3 metres,produced gas at an average rate of 24,840 Sm3/d (876 Mscf/d) with a flowingwellhead pressure of 32 bar (464 psi) on a 12mm choke over a 8 hour main flowperiod. The Dornesti Sud-1 well was drilled through the Sarmatian formation to a totaldepth of 910 metres and encountered gas in the interval 528 metres to 545metres. This section, which consists of sandstones interbedded with siltstonesand claystones, was interpreted to be gas bearing on evaluation with electricallogs. The well has been completed as a production well and efforts will be directed totying it in during 2008 to the Bilca Gas Plant, operated by Aurelian on itsadjacent Brodina Block EIII-1 concession. Regal holds a 50% working interest in the Concession with Aurelian holding theremaining 50% interest, and the Concession covers an area of 4,103 squarekilometres onshore in the north-east of Romania. For further information, please contact: Regal Tel: 020 7408 9500 David J Greer, Chairman & Chief Executive Officer Evolution Securities Tel: 020 7071 4300Robert Collins Mirabaud Securities Tel: 020 7321 2508Pav Sanghera Definitions: bar one atmosphere pressuremm millimetresMscf/d million standard cubic feet per daypsi pounds per square inchSm3/d standard cubic metres per day In accordance with the guidelines of the AIM market of the London StockExchange, Antonio Mozetic, PhD Geological Sciences, SPE, Director of RegalPetroleum plc, is the qualified person that has reviewed the technicalinformation contained in this press release. This information is provided by RNS The company news service from the London Stock Exchange