Well Test Update

7 Nov 2006 07:13

Tullow Oil PLC07 November 2006 News release Tullow Oil Plc - drilling update - Nzizi well 7 November 2006 - Hardman Resources, today issued the following drilling updateon the Nzizi Exploration/Appraisal well in Uganda in which Tullow is a 50%partner. Hardman Resources Limited ("Hardman") provides the following update on itsdrilling activities: UGANDA: Exploration Area 2 Nzizi-1 Exploration/Appraisal Well At 2:00pm on 3 November 2006, the Nzizi-1 well was spudded in Exploration Area2, Uganda, using the Eagle Drill-1 rig. The well has been drilled to a depth of 358 metres in the 9 7/8 inch section andcasing has been run. As at midnight 5 November, the operation was preparing toset the blow out preventer (BOP), following which the well will be drilled aheadto total depth of 1,030 metres. Nzizi-1 will test a structure up-dip of the recent Mputa discovery. The well isdesigned to evaluate the equivalent oil bearing reservoirs intersected in theMputa structure. Nzizi-1 is situated approximately 5.5 kilometres to thesouthwest of Mputa-2 appraisal well. Equities in Block 2 are: Exploration Area 2Hardman Petroleum Africa Pty Ltd (Operator) 50.0%Tullow Oil plc 50.0% Times and dates for Ugandan wells refer to UTC/GMT +3 hours (Uganda time), 5hours behind Western Standard Time, Perth. All reported depths are referenced tothe rig rotary table (RT). Hydrocarbon shows will be only be reported after allrequired logs have been run and evaluated, although Hardman will release weeklyupdates on the exploration drilling campaign. For further information contact: Tullow Oil plc Citigate Dewe Rogerson Murray Consultants(+44 20 8996 1000) (+44 20 7638 9571) (+353 1 498 0300)Tom Hickey Martin Jackson Joe MurrayAngus McCossChris Perry Notes to Editors Tullow is a leading independent oil & gas, exploration and production group,quoted on the London and Irish Stock Exchanges (symbol: TLW) and is aconstituent of the FTSE 250 Index. The Group has interests in approximately 90exploration and production licences in 15 countries and focuses on three coreareas: NW Europe, Africa and South Asia. Tullow's NW Europe interests are primarily focused on gas in the UK SouthernNorth Sea where it has significant interests in the Caister-Murdoch System andthe Thames/Hewett areas and operates over 60% of its production. In Africa, Tullow has production and exploration in Gabon, Cote d'Ivoire, Congo(Brazzaville) and Equatorial Guinea and a large gas field development andappraisal programme in Namibia. Tullow also has exploration programmes inMauritania, Senegal, Cameroon, Uganda, Madagascar and Angola. In South Asia, Tullow has production and exploration interests in Pakistan andBangladesh and high impact exploration activities in India. For further information please refer to our website at www.tullowoil.com ENDS This information is provided by RNS The company news service from the London Stock Exchange