Lundin Norway drills Johan Sverdrup appraisal wells

Lundin Norway AS, a wholly owned subsidiary of Lundin Petroleum AB, has drilled two appraisal wells in the Johan Sverdrup area in the North Sea’s Norwegian continental shelf.

Appraisal well 16/2-19 found 6 m of good quality oil filled sandstone of lower Jurassic-upper Triassic age in the Geitungen area in the north eastern part of the Johan Sverdrup discovery. The well is 2.1 km north of appraisal well 16/2-12 and 3.2 km southeast of appraisal well 16/2-9S, both in PL265.

Statoil said the purpose of the well was to investigate the Jurassic presence, reservoir thickness, quality and distribution on the north-eastern edge of Johan Sverdrup discovery.

The well found 12 m of upper Jurassic spiculitic silty sandstone with no reservoir quality and 6 m of good quality sandstone of most likely lower Jurassic-upper Triassic age. Fluid sampling indicated an oil water-contact at 1,927-29 m below sea level. Those sediments are resting on a 37-m sequence of low-nonquality sediments of most likely Triassic Permian age before entering granitic basement.

Well 16/2-19A was drilled as a sidetrack 1,000 m toward the southwest, encountering 13 m gross of low-to-excellent quality upper Jurassic sandstone in a more central position within the Geitungen area.

The well found 10 m of oil-filled, low-to-medium quality upper Jurassic spiculitic silty sandstone above an oil-filled, 3-m sandstone of excellent quality, most likely Draupne sandstone facies of upper Jurassic age. Those sediments are resting on a 20-m sequence of nonreservoir quality carbonate and sandstone, most likely Permian age, before entering granitic basement. No oil water contact was established.

Wells 16/2-19 and 16/2-19A were drilled using the semisubmersible drilling rig Ocean Vanguard, which will continue to drill a shallow gas pilot hole within PL265.

Johan Sverdrup field is on PL501, PL265 and PL502 on the Norwegian Continental Shelf. Lundin Norway holds 10% interest in PL265 with Statoil Petroleum AS as operator with 40% interest. Other partners are Petoro AS 30% and DNO ASA 20%.

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