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Title: Dynamic reduced-order models of integrated physics-specific systems for carbon sequestration

Journal Article · · Geomechanics and Geophysics for Geo-Energy and Geo-Resources
 [1];  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

In this study, CO2 leakage from a deep storage reservoir into a shallow groundwater aquifer through a wellbore is simulated using physics-specific models conceptualized as nonisothermal two-phase flow in a deep storage reservoir and through the wellbore, and reactive transport in the aquifer. Supercritical CO2 is injected into the reservoir subsystem with uncertain permeabilities of reservoir and injection strategies (rate and duration as decision variables). The simulated pressure and CO2 saturation at an uncertain location are connected to the wellbore model as a boundary condition to output CO2 flux to the reactive transport model in the shallow aquifer. Uncertainties are propagated from the deep reservoir model, to the wellbore leakage model, and eventually to the reactive transport model, thus contributing to system performance. Finally, to minimize the risk associated with the CO2 leakage, we develop dynamic reduced order models for quantifying and managing the uncertainty propagation.

Research Organization:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1466177
Report Number(s):
LLNL-JRNL-722697; 869344
Journal Information:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol. 3, Issue 3; ISSN 2363-8419
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 6 works
Citation information provided by
Web of Science

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Cited By (1)

Uncertainty Quantification of Multiple Gas Transport and Sorption in Porous Polymers journal August 2019