Abstract
Abstract Pre-spill analysis of the feasibility and effectiveness of different oil spill response strategies, such as mechanical recovery and application of dispersants is an essential part of any oil spill contingency planning to optimize the overall "Net Environmental Benefit" of an oil spill combat operation. This paper describes how the results from a four year research program, the ESCOST ("ESSO-SINTEF Coastal Oil Spill Technology) supplied with further development of modeling tools through e.g. the AMOS (Advanced Management of Oil Spills) Program, were utilized to carry out pre-spill analysis in developing and implementing an Oil Spill Response Plan (OSRP) for a field on the Norwegian continental shelf. Key elements in this process include development of: Oil Spill Response scenarios for specific field developmentCrude oil weathering properties and response possibilities (time window)Stochastic Oil Spill Trajectory Analysis based on weather statistics to determine the influence areaEnvironmental Risk Analysis, including vulnerable environmental resourcesEmergency Preparedness Analysis based on specific emergency preparedness requirementsDevelopment of the Oil Spill Response Plan providing guidance on the utilization of emergency measures, including chemical dispersion, natural dispersion (no action), mechanical recovery, sequence of actions, and logistics and organization. Furthermore, this presentation will focus on how this OSRP can contribute to provide an improved operational, optimally dimensioned and cost-effective oil spill contingency arrangement utilizing the following features: Dispersant usage, fully integrated in field emergency OSRP, aligned with regulatory requirements for use of dispersantsMechanical equipment adjustments based on the specific oil propertiesVessels specifically designed and developed for OSR capabilitiesSpecific organizational and combat measures for offshore field location, open sea and shorelineDeveloped in close co-operation with authorities and regulatory requirementsUtilization of key research resources, including also verification of response equipment capacity.
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