UK Onshore Drilling Update

24 Jan 2005 07:00

Roc Oil Company Limited24 January 2005 24 January 2005 ROC OIL COMPANY LIMITED ("ROC") STOCK EXCHANGE RELEASE UK ONSHORE DRILLING UPDATE ERRINGTON-1: EXPLORATION WELL, PEDL 028, ONSHORE UK (ROC: 100% & Operator) As of 11:00pm on 23 January 2005, at the operation at the Errington-1 wildcatexploration well was completing wireline logging at a Total Depth of 2,200m.Preliminary interpretations suggest that the well has intersected several tightgas sands. The gross vertical thickness of the main gas sand is approximately40m, most of which appears to be gas saturated net sandstone, albeit in thecontext of a typical tight gas sand play. At the level of the zones of interest the well is located some 30 to 40m belowthe top of the structure, as currently mapped. The potential of the sands to flow gas in commercial quantities is difficult toassess on the basis of currently available data and preliminary interpretation.Therefore casing will be run over the zones of interest and the well will besuspended for further evaluation. The Errington well is located in PEDL 028 approximately 35km west of Newcastle,in Northern England. Bruce Clement For further information please contact:Chief Operating Officer Dr John Doran on Tel: +61-2-8356-2000 Fax: +61-2-9380-2635 E-mail: jdoran@rocoil.com.au Or visit ROC's website: www.rocoil.com.au Dr Kevin Hird General Manager Business Development Tel: +44 (0)207 586 7935 Fax: +44 (0)207 722 3919 Email: khird@rocoil.com.au Nick Lambert Bell Pottinger Corporate & Financial Tel: +44 (0)207 861 3232 This information is provided by RNS The company news service from the London Stock Exchange