Lundin Petroleum said it has completed the drilling and testing of an appraisal well on the eastern flank of the Alta discovery in the North Sea.
The company said the Alta discovery is estimated to contain resources of between 125 and 400 million barrels of oil equivalent.
The original Alta-3 well was drilled last year and encountered a hydrocarbon column of 120 metres.
The objective of the re-entry was to deepen the well to further assess the quality of the Permo-Caroniferous reservoir as well as conduct injection and production tests.
Three tests were performed to investigate the production and injection characteristics of the reservoir.
Alex Schneiter,chief executive of Lundin Petroleum, said: “We are very pleased with the latest results which indicate excellent reservoir characteristics at the re-entry well and away from the well bore. Further appraisal over the Alta discovery will be required during 2017 to fully delineate this large structure”.
Once the Leiv Eiriksson rig is plugged and abandoned the Alta-3 well will move 60km to the north on PL609 to re-enter the suspended well 7220/6-2 to complete the drilling of the Neiden prospect which is estimated to contain gross unrisked prospective resourves of 204MMboe.
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