Tullow - International Activity Update

abarrelfull wrote on 04 May 2013 17:47
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22 Nov 2007

Tullow Oil plc (Tullow) announces first gas from the Kelvin field in the UK Southern North Sea, the commencement of drilling on the Ngassa-1 well in Uganda, the start of testing on the Mputa-4 discovery well in Uganda and completion of the M’Pano exploration well in Gabon.

UK - first gas from Kelvin field (Tullow 22.5%)
Natural gas production from the Kelvin field commenced on 15 November 2007 at a gross rate of 103 mmscfd on a 30% choke.

The Kelvin field development consists of a single well, a minimum-facilities platform and a 12 kilometre pipeline that connects to the Tullow-owned CMS infrastructure at Murdoch. The development also acts as a potential tie-in point for the nearby K4 and Harrison discoveries.
The project has been completed under budget, ahead of schedule and just two years after the field was discovered.

Uganda - Ngassa-1 drilling and Mputa-4 well test commenced (Tullow 100%)
The Ngassa-1 exploration well in Block 2 Uganda commenced drilling on 17 November 2007. The well is being drilled by the Nabors 221 rig and will test the high impact Ngassa prospect which is located beneath Lake Albert. The Nabors 221 rig has been specifically mobilised to the region in order to drill deep prospects located under the lake from onshore locations.
Drilling startup was delayed as a result of heavy rain which slowed construction on the drill site. The well has a planned length of 4,900 metres and is expected to take approximately 110 days to reach the primary target. The well has already been drilled to a depth of 311 metres.
Poor weather conditions have also impacted the start of the Mputa-4 well test. This extended flow test commenced on 21 November and interpreted results are expected in early December.
Gabon - M’Pano-1 well plugged and abandoned (Tullow 40%)
The onshore M’Pano-1 well in the Nziembou licence which commenced drilling on 2 October 2007 reached a total depth of 1,500 metres on 13 November 2007. Despite confirming the presence of the primary Gamba formation, these reservoirs were not hydrocarbon bearing. The well’s secondary objectives, whilst possibly oil bearing, had no reservoir quality sands and so the well has been plugged and abandoned.

• Tullow - International Activity Update

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