Decommissioning of offshore oil and gas facilities: A comparative assessment of different scenarios

Ekins, Paul; Vanner, Robin; Firebrace, James

doi:10.1016/j.jenvman.2005.08.023

Cited by 79 publications

(53 citation statements)

References 4 publications

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“…These were the decommissioning of the various offshore structures and the degree to which they should be returned to shore after use (the subject of Ekins et al, 2005aEkins et al, , 2006a; the management of oil in produced water (the subject of Ekins et al, 2005bEkins et al, , 2006b; and the management of energy use and emissions offshore (Vanner, 2005). All these issues are of concern to the industry's stakeholders.…”

Section: The Psi Assessment Methodologymentioning

confidence: 99%

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Sectoral sustainability and sustainability assessment methodologies: A review of methodology in light of collaboration with the UK oil and gas sector

Ekins

Vanner

2007

Journal of Environmental Planning and Management

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This paper discusses methodologies that have been employed to give insights into business performance in relation to sustainable development, both at a sectoral and corporate level. From consideration of different sectoral sustainable development methodologies, some key issues and good practice related to their derivation are elaborated. These issues are then further illustrated by a detailed comparison between three sustainable development methodologies that have been used in the UK offshore oil and gas industry. The methodologies chiefly differ in terms of how they address the problem of comparing different impacts across potentially non-commensurable dimensions, one proceeding through explicit monetary valuation, another through implicit valuation of different options and another through presentation of an unaggregated framework of indicators. The paper concludes by identifying the different situations in which use of these different methodologies is appropriate.

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Section: The Psi Assessment Methodologymentioning

confidence: 99%

“…The flow analysis and impact assessment of the PSI methodology may be made operational through a matrix such as that shown in Figure 7 (based on that in Ekins et al, 2005a). There are four main areas within the matrix:…”

Section: The Psi Assessment Methodologymentioning

confidence: 99%

Sectoral sustainability and sustainability assessment methodologies: A review of methodology in light of collaboration with the UK oil and gas sector

Ekins

Vanner

2007

Journal of Environmental Planning and Management

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“…Thirteen major decommissioning options for oil structures were identified from the literature (Figure 1, Ekins et al, 2006;Lakhal et al, 2009;Macreadie et al, 2011;Osmundsen and Tveterås, 2003;Picken and McIntyre, 1989;Schroeder and Love, 2004). Options range from complete removal and scrapping on shore through to leaving structures in place intact.…”

Section: Decommissioning Optionsmentioning

confidence: 99%

“…environmental impacts, Cripps and Aabel, 2002), or have not provided criteria of sufficient resolution (e.g. the criterion of 'marine impacts' in Ekins et al, 2006). Criteria in the current study are grouped under major headings that assist comprehension of the decision problem for those involved.…”

Section: Selection Criteriamentioning

confidence: 99%

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A multi-criteria decision approach to decommissioning of offshore oil and gas infrastructure

Fowler

Macreadie

Jones

et al. 2014

Ocean & Coastal Management

151

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Article (refereed) -postprintFowler, A.M.; Macreadie, P.I.; Jones, D.O.B.; Booth, D.J.. 2014 A multi-criteria decision approach to decommissioning of offshore oil and gas infrastructure. Ocean & Coastal Management, 87. 20-29. 10.1016/j.ocecoaman.2013 Contact NOC NORA team at publications@noc.soton.ac.ukThe NERC and NOC trademarks and logos ('the Trademarks') are registered trademarks of NERC in the UK and other countries, and may not be used without the prior written consent of the Trademark owner.A multi-criteria decision approach to decommissioning of offshore oil and gas infrastructure AbstractThousands of the world's offshore oil and gas structures are approaching obsolescence and will require decommissioning within the next decade. Many nations have blanket regulations requiring obsolete structures to be removed, yet this option is unlikely to yield optimal environmental, societal and economic outcomes in all situations. We propose that nations adopt a flexible approach that allows decommissioning options to be selected from the full range of alternatives (including 'rigs-to-reefs' options) on a case-by-case basis. We outline a method of multi-criteria decision analysis (Multi-criteria Approval, MA) for evaluating and comparing alternative decommissioning options across key selection criteria, including environmental, financial, socioeconomic, and health and safety considerations. The MA approach structures the decision problem, forces explicit consideration of trade-offs and directly involves stakeholder groups in the decision process. We identify major decommissioning options and provide a generic list of selection criteria required for inclusion in the MA decision process. To deal with knowledge gaps concerning environmental impacts of decommissioning, we suggest that expert opinion feed into the MA approach until sufficient data become available. We conducted a limited trial of the MA decision approach to demonstrate its application to a complex and controversial decommissioning scenario; Platform Grace in southern California. The approach indicated, for this example, that the option 'leave in place intact' would likely provide best environmental outcomes in the event of future decommissioning. In summary, the MA approach will allow the environmental, social, and economic impacts of decommissioning decisions to be assessed simultaneously in a transparent manner.

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Sustainability and Green Chemistry

Wittcoff

Reuben

Plotkin

2004

Industrial Organic Chemicals

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Decommissioning of offshore oil and gas facilities: A comparative assessment of different scenarios

Cited by 79 publications

References 4 publications

Sectoral sustainability and sustainability assessment methodologies: A review of methodology in light of collaboration with the UK oil and gas sector

Sectoral sustainability and sustainability assessment methodologies: A review of methodology in light of collaboration with the UK oil and gas sector

A multi-criteria decision approach to decommissioning of offshore oil and gas infrastructure

Sustainability and Green Chemistry

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