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Geochemical monitoring of fluid-rock interaction and CO2 storage at the Weyburn CO2-injection enhanced oil recovery site, Saskatchewan, Canada

Author

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  • Emberley, S.
  • Hutcheon, I.
  • Shevalier, M.
  • Durocher, K.
  • Gunter, W.D.
  • Perkins, E.H.

Abstract

The Weyburn Oil Field, Saskatchewan is the site of a large (5000 tonnes/day of CO2) CO2-EOR injection project By EnCana Corporation. Pre- and post-injection samples (Baseline and Monitor-1, respectively) of produced fluids from approximately 45 vertical wells were taken and chemically analyzed to determine changes in the fluid chemistry and isotope composition between August 2000 and March 2001. After 6 months of CO2 injection, geochemical parameters including pH, [HCO3], [Ca], [Mg], and δ13CO2(g) point to areas in which injected CO2 dissolution and reservoir carbonate mineral dissolution have occurred. Pre-injection fluid compositions suggest that the reservoir brine in the injection area may be capable of storing as much as 100 million tonnes of dissolved CO2. Modeling of water-rock reactions show that clay minerals and feldspar, although volumetrically insignificant, may be capable of acting as pH buffers, allowing injected CO2 to be stored as bicarbonate in the formation water or as newly precipitated carbonate minerals, given favorable reaction kinetics.

Suggested Citation

  • Emberley, S. & Hutcheon, I. & Shevalier, M. & Durocher, K. & Gunter, W.D. & Perkins, E.H., 2004. "Geochemical monitoring of fluid-rock interaction and CO2 storage at the Weyburn CO2-injection enhanced oil recovery site, Saskatchewan, Canada," Energy, Elsevier, vol. 29(9), pages 1393-1401.
    • Handle: RePEc:eee:energy:v:29:y:2004:i:9:p:1393-1401
    DOI: 10.1016/j.energy.2004.03.073
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    Cited by:

    1. Li, Pengliang & Liu, Zhenyi & Li, Mingzhi & Zhao, Yao & Li, Xuan & Wan, Song & Ma, Yuanyuan & He, Yanghua, 2021. "Investigation on the limiting oxygen concentration of combustible gas at high pressures and temperatures during oil recovery process," Energy, Elsevier, vol. 215(PB).
    2. Jie Li & Zhonghe Pang, 2015. "Environmental isotopes in CO 2 geological sequestration," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 5(4), pages 374-388, August.
    3. Zhang, Fengming & Xu, Chunyan & Zhang, Yong & Chen, Shouyan & Chen, Guifang & Ma, Chunyuan, 2014. "Experimental study on the operating characteristics of an inner preheating transpiring wall reactor for supercritical water oxidation: Temperature profiles and product properties," Energy, Elsevier, vol. 66(C), pages 577-587.
    4. Zhong, Jie & Wang, Pan & Zhang, Yang & Yan, Youguo & Hu, Songqing & Zhang, Jun, 2013. "Adsorption mechanism of oil components on water-wet mineral surface: A molecular dynamics simulation study," Energy, Elsevier, vol. 59(C), pages 295-300.
    5. Zhong, Jinjin & Jiang, Xi, 2017. "A case study of using cosmic ray muons to monitor supercritical CO2 migration in geological formations," Applied Energy, Elsevier, vol. 185(P2), pages 1450-1458.
    6. Yiman Li & Zhonghe Pang, 2015. "Quantitative assessment of CO 2 storage capacity by using of hydrogeochemical and isotope data for deep saline aquifers," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 5(5), pages 592-602, October.
    7. Sreedhar, I. & Vaidhiswaran, R. & Kamani, Bansi. M. & Venugopal, A., 2017. "Process and engineering trends in membrane based carbon capture," Renewable and Sustainable Energy Reviews, Elsevier, vol. 68(P1), pages 659-684.
    8. Delgado, Montserrat Rodriguez & Arean, Carlos Otero, 2011. "Carbon monoxide, dinitrogen and carbon dioxide adsorption on zeolite H-Beta: IR spectroscopic and thermodynamic studies," Energy, Elsevier, vol. 36(8), pages 5286-5291.
    9. Bo Liu & Fangyuan Zhao & Jinpeng Xu & Yueming Qi, 2019. "Experimental Investigation and Numerical Simulation of CO 2 –Brine–Rock Interactions during CO 2 Sequestration in a Deep Saline Aquifer," Sustainability, MDPI, vol. 11(2), pages 1-18, January.

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