Security of storage in carbon dioxide enhanced oil recovery

R. Jamie Stewart, Gareth Johnson, Stuart Haszeldine, Peter Olden, Eric Mackay, Bernhard Mayer, Maurice Shevalier, Michael Nightingale

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The Pembina Cardium CO2 Monitoring Pilot was used as a test site to determine the relative roles of trapping mechanisms. Two methods to assess this distribution are presented. A geochemical approach using empirical data from the site was used to determine the phase distribution of CO2 at a number of production wells that were sampled monthly during a two-year CO2 injection pilot. In addition, a simplified reservoir simulation was performed. Results indicate that significant amounts of CO2 are stored in the oil phase thus reducing the amount of CO2 available as a buoyant free phase and hence increasing storage security.
Original languageEnglish
Pages (from-to)3870-3878
Number of pages9
JournalEnergy Procedia
Publication statusPublished - 18 Aug 2017


  • CCS
  • CO enhanced oil recovery
  • CO solubility
  • CO storage security
  • trapping mechanisms


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