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                          |  | Quintessa
                            is helping to address major challenges to the continued use of 
                            carbon-based fuels, including the geological storage of greenhouse gases
                            and natural gas, through its 
                            decision support, 
                            geosciences, 
                            mathematical modelling
                            and 
                            systems assessment 
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                          |  | Scenarios for Potential Impacts from Hypothetical Leakage from CO2 Geological Storage Facilities
  As a contribution to the European 
                              RISCS
                              project, Quintessa staff have authored a report on scenarios for potential impacts that might be caused by hypothetical carbon dioxide leakage from geological storage facilities. 
 The RISCS project is running for 4 years (2010 - 2014) and is supported by the European Commission and a number of industrial partners. The project aims to improve understanding of how geological CO2 storage might possibly impact upon the environment. There are 24 participating organisations, including...
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                          |  | TESLA 2.1 Released
  A major update of Quintessa's decision support software 
                              (TESLA
                              Version 2.1) has been released incorporating a host of new features designed to make it easier to analyse, present and audit decisions. 
 TESLA
                              is a software tool that supports the structured analysis of complex decisions using an approach founded on Evidence Support Logic 
                              (ESL). This approach has proved invaluable to decision makers faced with complex problems drawing on multiple and uncertain sources of evidence, such as encountered at the back end of...
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                          |  | CO2ReMoVe Closing Conference
  The closing conference of CO2ReMoVe, an EU project on CO2 
                              storage, was held in Paris on the 29th February 2012. The six-year 
                              project involved over 30 partners from research and industry 
                              organisations in Europe and beyond. A key conclusion is that results 
                              from all the sites indicate that underground CO2 storage can be carried 
                              out safely, with CO2 effectively contained in all storage projects 
                              studied. Operational irregularities, such as a small leakage from an old
                               well, have not led to concerns about storage safety or permanence.
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                          |  | United Nations Framework Convention on Climate Change Workshop
  Richard Metcalfe gave an invited presentation on risk 
                              assessment for CO2 storage projects, at a technical workshop on Carbon 
                              Capture and Storage (CCS) that was held in Abu Dhabi on 7-8 September 
                              2011.The meeting was convened by the United Nations Framework Convention
                               on Climate Change (UNFCCC) and co-sponsored by the governments of 
                              Norway and the United Arab Emirates. The purpose of the workshop was to 
                              discuss "Modalities and procedures for CCS in geological formations as 
                              Clean Development Mechanism (CDM) project activities", specifically to 
                              provide technical input to negotiations about whether or not CCS should 
                              be adopted as a...
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                          |  | Methane Release from Warming-induced Hydrate Dissociation
  Kate Thatcher is the lead author on a paper ‘Methane release 
                              from warming-induced hydrate dissociation in the West Svalbard 
                              continental margin: Timing, rates, and geological controls’ that has 
                              been published in the Journal of Geophysical Research. 
 Hundreds of plumes of methane bubbles emanate from an area of 
                              the seabed off West Svalbard that has become 1°C warmer over the last 30
                              years. The paper investigates the hypothesis that the methane in the 
                              plumes is derived from hydrate dissociated by ocean warming. Numerical 
                              models were used to simulate the response...
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                          |  | International Conference on Greenhouse Gas Technologies (GHGT-11)
  Richard Metcalfe, Alan Paulley and Hiroyasu Takase of Quintessa participated in the 
                              GHGT-11
                              conference on greenhouse gas technologies held in Kyoto, Japan 
                              between 18th and 22nd November 2012.  They made presentations covering 
                              the wide range of Quintessa's activities in the field of Carbon Capture 
                              and Storage (CCS), including results from projects concerning: 
                              structured scenario development to support Performance Assessment of CO2
                               storage; decision-making during site screening and performance 
                              assessment; fully-coupled systems-level modelling of CO2 storage; fully 
                              coupled modelling of impacts from hypothetical CO2 leakage; and 
                              knowledge...
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