Decommissioning of Offshore Platforms in Adriatic Sea: The Total Removal Option from a Life Cycle Assessment Perspective

Giuseppina Colaleo (), Federico Nardo, Arianna Azzellino and Diego Vicinanza
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Giuseppina Colaleo: Department of Engineering, University of Campania, Via Roma 29, 81031 Aversa, Italy
Federico Nardo: Politecnico di Milano, Piazza Leonardo da Vinci, 32, 20133 Milano, Italy
Arianna Azzellino: Politecnico di Milano, Piazza Leonardo da Vinci, 32, 20133 Milano, Italy
Diego Vicinanza: Department of Engineering, University of Campania, Via Roma 29, 81031 Aversa, Italy

Energies, 2022, vol. 15, issue 24, 1-17

Abstract: The international energy scenario to date is heavily based on fossil energy sources such as coal, oil or natural gas. According to the international ecological goals of the UNFCCC formalized in the legally binding treaty called the Paris Agreement, the next global challenges will be the decommissioning, dismantling or reconversion of the current fossil energy system into a new, more sustainable system that makes more efficient use of renewable energy technologies. Worldwide, there are about 6500 offshore oil and gas facilities and about 130 of them are located in the Mediterranean basin, mainly in the Adriatic and Ionian Seas: more than 110 offshore gas platforms have been installed in these areas since 1960. In this paper, using Life Cycle Assessment, the environmental and economic impacts of the total removal operations of an existing offshore platform in the context of the Adriatic Sea are assessed based on existing and registered decommissioning projects. In addition, the avoided impacts of primary steel production due to its recovery and recycling from the removed platform are assessed using the system boundary expansion method.

Keywords: life cycle assessment; decommissioning; offshore platforms; O&G (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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