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Energy Return on Investment for Norwegian Oil and Gas from 1991 to 2008
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Global Energy Systems. (Global Energy Systems)
State University of New York. (Graduate Program in Environmental Science)
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Global Energy Systems. (Global Energy Systems)ORCID iD: 0000-0002-6379-7104
2011 (English)In: Sustainability, ISSN 2071-1050, E-ISSN 2071-1050, Vol. 3, no 11, p. 2050-2070Article in journal (Refereed) Published
Abstract [en]

Norwegian oil and gas fields are relatively new and of high quality, which has led, during recent decades, to very high profitability both financially and in terms of energy production. One useful measure for profitability is Energy Return on Investment, EROI. Our analysis shows that EROI for Norwegian petroleum production ranged from 44:1 in the early 1990s to a maximum of 59:1 in 1996, to about 40:1 in the latter half of the last decade. To compare globally, only very few, if any, resources show such favorable EROI values as those found in the Norwegian oil and gas sector. However, the declining trend in recent years is most likely due to ageing of the fields whereas varying drilling intensity might have a smaller impact on the net energy gain of the fields. We expect the EROI of Norwegian oil and gas production to deteriorate further as the fields become older. More energy-intensive production techniques will gain in importance.

Place, publisher, year, edition, pages
2011. Vol. 3, no 11, p. 2050-2070
Keyword [en]
Norwegian oil and gas sector; Energy Return on Investment; net energy
National Category
Energy Systems Other Physics Topics Other Natural Sciences
Research subject
Physics with specialization in Global Energy Resources
Identifiers
URN: urn:nbn:se:uu:diva-160827DOI: 10.3390/su3112050ISI: 000208763800001OAI: oai:DiVA.org:uu-160827DiVA, id: diva2:453198
Available from: 2011-11-01 Created: 2011-11-01 Last updated: 2017-12-08Bibliographically approved

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CiteExportLink to record
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Citation style
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Output format
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