a pore scale microlab to perform fundamental laboratory ...slide: 4 of 10 summary of the projects,...
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A Pore Scale Microlab to Perform Fundamental Laboratory-based Studies of CO2 Transport and
Reactivity in Reservoirs
Mechanical and Industrial Engineering; University of Toronto, ON, Canada sintonlab.mie.utoronto.ca/ Email: [email protected]
Hossein Fadaei
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CMC-Project B04 Collabora'ng universi'es:
David Sinton (PI) – Microfluidics
Aimy Bazylak – Modelling
Savvas Hatzikiriakos – Rheology
Steve Larter – Petroleum Geology
John Shaw – Petroleum Thermodynamics
Zhenghe Xu – Oil Sands Engineering
3
4
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Postdoc
PhD
PhD
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Motivation • Long experiments • Costly • Large sample requirement
• Fast experiments • Cheap • Safe, small sample
Many tesDng required PVT
Viscosity
Petrophysics
Miscibility
Fluid flow
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Summary of the projects, microfluidic approach CO2 sequestration
1. CO2 diffusivity in brine 2. Reservoir brine dry-out during CO2 injection 3. CO2 pipeline dew point detection 4. Fiber optic based CO2 and reservoir fluid detection
Oil recovery 1. Solvent-bitumen diffusion measurement (collaboration with
Prof. J. Shaw) 2. Microfluidics for SAGD analysis 3. Microfluidics for downhole fluid detection 4. Bitumen swelling with CO2 and diffusion 5. CO2 foam for oil recovery
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Supercritical CO2 transport • Impurities change fluid mixture
http://cdn.globalccsinstitute.com/sites/default/files/publications/16876/effects-impurities-geological-storage-co2.pdf
http://corrosion.curtin.edu.au/research/mining.cfm 18
Impure CO2 dew-point measurement
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Microfluidic approach
[Song et al. (2014) Environmental Science & Technology] 10
P>Pdew
P≤Pdew
~ 100 µm
Small content (~ 500 ppm) water detection Not possible with current PVT methods Cheaper, safer and easier to operate Faster than conventional methods
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Dew visualization, pure CO2
Supercritical CO₂ and impurities
10µm
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Coal power plant
CO2
Oil
Oil e-‐
CO2 nanoparticle-stabilized foam for enhanced oil recovery
CHALLENGE: Viscous fingering of CO2, poor storage, poor oil recovery
APPROACH: Mobility control with nanopar'cle-‐stabilized CO2 foam
Grain Oil CO2 Foam
Foam prevents early CO2 breakthrough
& increases the oil recovery
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Foam stability results Current foam stability analysis method
SDS foam
0 h 24 h
NP foam
0 h 10 days
0 h
20 h
0 h
10 h
Microfluidics based analysis
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Microscale screening of CO2 foam
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Summary
Conventional measurement methods in the oil and gas industry can be replaced by faster, cheaper and safer micro-scale techniques.
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Thank you
&
Thank you CMC
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Validation / Application
3x precision improvement in measured dew point pressures
[Song et al. (2014) Environmental Science & Technology] 18