Sustainability Indicators System Based on Multicriteria Analysis: A Tool for the Management of the Sustainability of Offshore Oil and Gas Production Units

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Abstract
The increasing production of oil and gas in the marine environment and the growing participation of companies of different nationalities and sizes require the use of tools to support the sustainable management of offshore oil and gas production units. This paper presents the results of the application of a sustainability indicator system, developed from the identification of the economic, environmental, social, and operational impacts of the activities of these production units. The sustainability performances of 3 oil and gas production units operating in the Brazilian marine environment were compared to the performance of one considered ideal, through the application of the PROMETHEE II and ordinal COPELAND multicriteria methods. The indicator system applied favored the analysis of the sustainability management of offshore oil and gas production activity in a multidimensional approach, considering the points of view of experts from various areas of knowledge, and proved to be a reliable tool to support the sustainable management of these offshore production units. Integr Environ Assess Manag 2021;17:614–625. © 2020 SETAC KEY POINTS Offshore oil and gas production requires reliable sustainability indicators, given that they are very distant from ideal sustainable performance. A representative sustainability indicators system must consider a multicriteria approach. The robustness of the sustainability indicator system is demonstrated by its application to different types of oil and gas production units under a variety of operational conditions in the Brazilian marine environment.

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