Pre-, syn- and post-CO2 injection geochemical and isotopic monitoring at the pembina cardium CO2 monitoring pilot, Alberta, Canada

Gareth Johnson, Chantsalmaa Dalkhaa, Maurice Shevalier, Michael Nightingale, Bernhard Mayer, Stuart Haszeldine

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)
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Abstract

Geochemical and isotopic data acquired pre-, syn- And post- CO2 injection at the Pembina Cardium CO2 Monitoring Pilot in Alberta, Canada is presented. To the author's knowledge this is the first project that has collected and interpreted comprehensive geochemical data over the full life cycle of a CO2 injection project. Of the 40 parameters measured per sample changes in pH, alkalinity, Ca2+, Fe2+, δ13C of CO2 and δ18O of H2O proved to be the most useful parameters as tracers of CO2 presence and for identifying solubility and mineral trapping in the reservoirs thus demonstrating CO2 retention mechanisms.
Original languageEnglish
Pages (from-to)4150-4154
Number of pages5
JournalEnergy Procedia
Volume63
DOIs
Publication statusPublished - 31 Dec 2014

Keywords

  • CCS
  • CO storage
  • geochemical monitoring
  • MMV
  • stable isotopes
  • saline aquifers

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