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Ngege-1 encountered over five metres of net oil pay and nine metres of net gas pay in separate sands and was drilled to a total depth of 640 metres. The well was drilled some three kilometres from the crest of the structure and seismic interpretation indicates further significant potential updip.
Downhole pressure testing and sampling have confirmed the presence of dry gas and moveable 30-32˚ API oil. Reservoir quality for both zones is excellent. Logging has been successfully completed and the well has been suspended as a potential future producer.
Ngege-1 is located 41 kilometres north-east of the Taitai-1 discovery well and tested the Victoria Nile Delta play in a new fairway along the axis of the Lake Albert Rift Basin. Results have confirmed the presence of well developed reservoir and seals, and thereby upgrade several other prospects which are included in the current drilling campaign.
The Karuka-1 prospect, which lies 24 kilometres south of Ngege-1, is the next drilling location and operations are expected to commence at the end of June. Karuka-1 is an escarpment fan prospect analogous to the Taitai-1 discovery.
There are no plans to test Ngege-1 at this time, the best candidates for testing and appraisal drilling will be assessed on overall merit at the end of the regional drilling campaign.
Commenting today, Aidan Heavey, Chief Executive of Tullow said:
“We are very pleased with the efficient progress we are making with the Butiaba campaign in Uganda. This is the eleventh well in the basin to encounter hydrocarbons and has extended the range over which oil has been discovered to 150 kilometres. With Ngege-1 opening up a new deltaic play fairway with high quality reservoir we are very encouraged by the potential of this progamme in the north of Block 2."
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Tullow is an independent energy company that is building a better future through responsible oil and gas development in Africa. Tullow's operations are focused on its core producing assets in Ghana. Tullow is committed to becoming Net Zero on its Scope 1 and 2 emissions by 2030, with a Shared Prosperity strategy that delivers lasting socio-economic benefits for its host nations. The Group is quoted on the London and Ghanaian stock exchanges (symbol: TLW). For further information, please refer to: www.tullowoil.com.
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