On 3 April 2018 Lundin spudded an appraisal well at Rolvsnes in PL 338 C. 16/1-28 S is located in the northern part of the field, approximately 1 km north of discovery well 16/1-12. The company used the âCOSL Innovatorâ S/S to drill the well to a TD of 4,880 m (1,918 m TVD) in granitic basement rock. The well encountered 2,500 m of granitic basement rock in the horizontal section with poor reservoir quality. A well test was performed for 10 days flowing approximately 7,000 bo/d through a 52/64â choke. During the five day main flow period production was held at a rate of approximately 4,200 bo/d. The test results indicate that the reservoir has good productivity supported by aquifer pressure. The oil is undersaturated with a GOR of 620 scf/bbl. Following the results, the resource range at Rolvsnes has been revised upwards to between 14 and 78 MMboe from the previous estimate of between 3 and 16 MMboe. Rolvsnes is considered a potential tie-back candidate to Edvard Grieg. On 23 September the well was suspended.  The 2009 discovery well proved a 40 m oil column in fractured Basement and results from three mini DSTs showed that the reservoir has good flow characteristics, although it is complex. Lundin reported that this discovery was unlikely to be connected to the main Edvard Grieg field to the north as the OWC is about 15 m higher. In 2015 appraisal well 16/1-25 S was drilled approximately 2.4 km south of the discovery well. It proved a gross oil column of 30 m in porous granitic Basement with pressure data and oil type confirming communication with 16/1-12, and a similar OWC at 1,927 m subsea. A DST flowed oil at a rate of 265 b/d through a 36/64â choke.    According to Rolvsnes partner Lime Petroleumâs parent company Rex International, Lundin is considering a phased appraisal and development programme for the field. It could drill up to four producers plus a water injector, each well being dependant on the results of the previous well. Rolvsnes (also known as Edvard Grieg South) contains estimated 2P recoverable reserves of 31 MMbo plus 32 Bcfg (from a CPR by Gaffney, Cline and Associates for Rex International published in February 2018). Rex International also has an interest in PL 815 to the southeast where it maps the Goddo prospect as a possible geological continuation of Rolvsnes.    Interest in PL 338 C is held by Lundin Norway AS (50% + operator), Lime Petroleum AS (30%) and OMV (Norge) AS (20%).
016/01-28S (Rolvsnes) (Lundin 50% op, Lime 30%, OMV 20%) pos. appr. in PL 338 C, DST gauged up to a constrained 7 000 bo/d [52/64â choke] from a fractured + weathered basement (2 500m horiz section penetrated, poor reservoir quality), 5-day main flow period held at 4 200 b/d, GOR 110 cum/cum, gross resource range increased to 14-78 Mmboe from 3-16 MMboe. 