Tracing the movement and the fate of injected CO2 at the IEA GHG Weyburn-Midale CO2 Monitoring and Storage project (Saskatchewan, Canada) using carbon isotope ratios

Bernhard Mayer, Maurice Shevalier, Michael Nightingale, Jang-Soon Kwon, Gareth Johnson, Mark Raistrick, Ian Hutcheon, Ernie Perkins

Research output: Contribution to journalArticle

Abstract

Stable isotope data can assist in successful monitoring of the movement and the fate of injected CO2 in enhanced oil recovery and geological storage projects. This is demonstrated for the International Energy Agency Greenhouse Gas (IEA-GHG) Weyburn-Midale CO2 Monitoring and Storage Project (Saskatchewan) where fluid and gas samples from multiple wells were collected and analyzed for geochemical and isotopic compositions for more than a decade. Carbon isotope ratios of the injected CO2 (−20.4‰) were sufficiently distinct from median δ13C values of background CO2 (δ13C = −12.7‰) and HCO3− (δ13C = −1.8‰) in the reservoir to reveal the movement and geochemical trapping of injected CO2 in the reservoir. The presented 10-year data record reveals the movement of injected CO2 from injectors to producers, dissolution of CO2 in the reservoir brines, and ionic trapping of injected CO2 in conjunction with dissolution of carbonate minerals. We conclude that carbon isotope ratios constitute an excellent and cost effective tool for tracing the fate of injected CO2 at long-term CO2 storage sites with injection rates exceeding 1 million tons per year.
LanguageEnglish
PagesS177-S184
Number of pages8
JournalInternational Journal of Greenhouse Gas Control
Volume16
Issue numberS1
Publication statusPublished - 1 Mar 2013

Fingerprint

carbon isotope ratio
Isotopes
Carbon
trapping
Monitoring
Dissolution
monitoring
dissolution
Carbonate minerals
Brines
enhanced oil recovery
Greenhouse gases
stable isotope
greenhouse gas
isotopic composition
well
carbonate
Recovery
Fluids
fluid

Keywords

  • co2 storage
  • monitoring
  • carbon isotopes
  • solubility trapping
  • Weyburn

Cite this

Mayer, Bernhard ; Shevalier, Maurice ; Nightingale, Michael ; Kwon, Jang-Soon ; Johnson, Gareth ; Raistrick, Mark ; Hutcheon, Ian ; Perkins, Ernie. / Tracing the movement and the fate of injected CO2 at the IEA GHG Weyburn-Midale CO2 Monitoring and Storage project (Saskatchewan, Canada) using carbon isotope ratios. In: International Journal of Greenhouse Gas Control . 2013 ; Vol. 16, No. S1. pp. S177-S184.
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Tracing the movement and the fate of injected CO2 at the IEA GHG Weyburn-Midale CO2 Monitoring and Storage project (Saskatchewan, Canada) using carbon isotope ratios. / Mayer, Bernhard; Shevalier, Maurice; Nightingale, Michael; Kwon, Jang-Soon; Johnson, Gareth; Raistrick, Mark; Hutcheon, Ian; Perkins, Ernie.

In: International Journal of Greenhouse Gas Control , Vol. 16, No. S1, 01.03.2013, p. S177-S184.

Research output: Contribution to journalArticle

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