Decommissioning of offshore fixed platforms has become a reality that the Brazilian market has to face since only 5% of the offshore platforms installed in Brazil have been completely removed until now. In the last few years, many oil and gas fields have reached the end of their productive lives and many platform structures are reaching, or already exceeding, their project service life, 20 to 30 years on average. In addition, changes acting on the global market and the recent sharp fall in oil price are inducing oil companies to re-estimate the profitability of each production unit and to consider, in several cases, decommissioning as a valid alternative. This paper aims at analyzing the future demand for decommissioning of fixed offshore units, taking into account the financial, technical and operational point of view. Forecast of decommissioning demand is finally mapped in the short, medium and long terms.

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