9th Oct 2007 07:49
Tullow Oil PLC09 October 2007 This release replaces RNS no. 3633F entitled 'Well Update'. Shallow Water Tano exploration well update 9 October 2007 - Tullow Oil plc (Tullow) announces that the 1N-3X appraisal wellin the Shallow Water Tano block has been drilled to a total depth of 3,075m.Following the results of logging operations the well will not be flow tested. The 1N-3X well tested a previously undrilled fault block in this near-shoreshallow water licence. The objective was to determine if modern drillingtechniques, designed to reduce formation damage, could be used to achievecommercial flow rates from the low permeability Albian reservoirs encountered inprevious wells. Hydrocarbon bearing sandstones were encountered in this well butlogging results indicated that the sandstones would not flow at commercialrates. The well has therefore been plugged and abandoned. Future operations in Shallow Water Tano will continue to focus on furtherappraisal of existing discoveries and delineation of exploration prospects inthis block, which is updip of Tullow's recent Santonian reservoir discoveries,Mahogany and Hyedua. These discoveries were made in June and August this yearin the adjacent Deepwater Tano and West Cape Three Points licences. Tullow (31.5%) operate Shallow Water Tano on behalf of partners Interoil(31.5%), Al Thani (22.5%), Sabre Oil and Gas (4.5% carried) and GNPC (10%carried). Tullow is also the operator of the Deepwater Tano licence (49.95%) and apartner in the West Cape Three Points licence (22.9%). 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 MurrayChris Perry Kate Delahunty 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 100 Index. The Group has interests in 120 explorationand production licences across 23 countries and focuses on four core areas:Europe, Africa, South Asia and South America. Tullow's European 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 70% of its production. In Africa, Tullow has exploration and production in Gabon, Cote d'Ivoire, Congo(Brazzaville), Mauritania and Equatorial Guinea and a gas field development inNamibia. Tullow also has exploration programmes in Mauritania, Senegal,Cameroon, Uganda, Congo (DRC), Tanzania, Madagascar, Angola and Ghana. In South Asia, Tullow has exploration and production in Pakistan and Bangladeshand high impact exploration activities in India. In South America Tullow has high impact exploration interests in Trinidad andTobago, French Guiana and Suriname. 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 ExchangeRelated Shares:
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