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The Knarr Field: a new development at the northern edge of the North Sea

Silje S. Skarpeid, James M. Churchill, Jamie P. J. Hilton, Chris N. Izatt and Matthew T. Poole
Geological Society, London, Petroleum Geology Conference series, 8, 445-454, 3 February 2017, https://doi.org/10.1144/PGC8.23
Silje S. Skarpeid
1BG Norge, Løkkeveien 111, 4007 Stavanger, Norway
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James M. Churchill
2BG Group, Thames Valley Park, Reading, Berkshire RG6 1PT, UK
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Jamie P. J. Hilton
1BG Norge, Løkkeveien 111, 4007 Stavanger, Norway
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Chris N. Izatt
3BG Group, 27 Albyn Place, Aberdeen AB10 1YL, UK
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Matthew T. Poole
2BG Group, Thames Valley Park, Reading, Berkshire RG6 1PT, UK
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Abstract

The Knarr Field is located in the northern Norwegian North Sea, beyond the Brent Group delta fairway. Knarr was discovered in 2008 with the Jordbær well, additional resources were added to the field in 2011 with the successful Jordbær Vest well. The field extends over an area of approximately 20 km2. The original oil in place is estimated to be 26 MSm3 (163 MBBL). The reservoir is the Late Pliensbachian Cook Formation and its current burial depth is approximately −3700 m true vertical depth subsea (TVDSS). In Knarr, the Cook Formation is split into five sandstones that are separated by four shale intervals which can be correlated across the field. The three lower sands (Lower Cook) are interpreted to have been deposited in a tidally-dominated environment, while the upper two sandstones (Upper Cook) were deposited in a wave-dominated shallow-marine setting. The reservoir properties of the Cook Formation in the Knarr area are remarkably good for a reservoir at this depth, with porosities up to 28% and permeabilities in excess of 1 D. The good reservoir properties are the result of grain-coating chlorite, which has inhibited diagenetic quartz development. The field is developed with three oil producers and three water injectors produced via a floating production storage and offloading vessel (FPSO). First oil was achieved in March 2015.

  • © BG Group 2018. Published by the Geological Society, London. All rights reserved
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Geological Society, London, Petroleum Geology Conference 				series: 8 (1)
Geological Society, London, Petroleum Geology Conference series
Volume 8
2018
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The Knarr Field: a new development at the northern edge of the North Sea

Silje S. Skarpeid, James M. Churchill, Jamie P. J. Hilton, Chris N. Izatt and Matthew T. Poole
Geological Society, London, Petroleum Geology Conference series, 8, 445-454, 3 February 2017, https://doi.org/10.1144/PGC8.23
Silje S. Skarpeid
1BG Norge, Løkkeveien 111, 4007 Stavanger, Norway
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
  • For correspondence: s.skarpeid@shell.com
James M. Churchill
2BG Group, Thames Valley Park, Reading, Berkshire RG6 1PT, UK
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
Jamie P. J. Hilton
1BG Norge, Løkkeveien 111, 4007 Stavanger, Norway
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  • Search for this author on this site
Chris N. Izatt
3BG Group, 27 Albyn Place, Aberdeen AB10 1YL, UK
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Matthew T. Poole
2BG Group, Thames Valley Park, Reading, Berkshire RG6 1PT, UK
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The Knarr Field: a new development at the northern edge of the North Sea

Silje S. Skarpeid, James M. Churchill, Jamie P. J. Hilton, Chris N. Izatt and Matthew T. Poole
Geological Society, London, Petroleum Geology Conference series, 8, 445-454, 3 February 2017, https://doi.org/10.1144/PGC8.23
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