Lundin Norway, the wholly-owned subsidiary of Lundin Petroleum, has begun drilling 7220/11-5 well on the Alta discovery in PL609 in Barents Sea.
Once the drilling is completed, this well will be used for extended well testing.
Alta field, which was discovered in 2014, is located around 160km from the Norwegian coastline. So far, three appraisal wells have been completed on this field.
Gohta discovery, located adjacent to Alta, lies in PL492. Gohta and Alta could offer a joint development opportunity in the future. It is estimated that the total contingent resource range for both the fields is anywhere between 115 million barrels of oil equivalent (mmboe) and 390mmboe.
The firm plans to drill a horizontal 700m long well in the oil play to gain a geological understanding of the Permian-Triassic karstified and fractured carbonate reservoirs.
The primary aim of the extended well test is to find out if there is feasibility for sustained production rates and minimise uncertainty surrounding the recovery mechanism, which in turn would help to carry out further development studies. Drilling and testing is expected to take 140 days.
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Leiv Eiriksson, a semi-submersible drilling rig, will be used to drill and test the well at Alta. The well will be tested for about two months. The volumes flowing from this well will be directed through a flexible flowline to a tanker. At the end of the test, the oil and water flowed to the tanker will be delivered to the Mongstad oil terminal on the west coast of Norway.
Lundin Norway has 40% working interest and is the operator of PL609.
DEA Norge and Idemitsu Petroleum Norge, each with 30% working interest, are the other partners in the Alta field.