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Background

box diagram

CO2-PENS is a software tool that links together physics-based process-level modules that describe the entire CO2 sequestration pathway, starting from capture at a power plant and following CO2 through pipelines to the injection site and into the reservoir. After injection, simulation of CO2 migration continues through the subsurface where it may mineralize, dissolve into brine, or react with wellbore casing or cement. CO2 may leak from the reservoir along wellbores or faults that lead back towards overlying aquifers or the surface. The model can be used to quickly screen sequestration sites or to perform a more detailed site-specific evaluation.

Capabilities

  • CO2 Capture and Transport calculations
  • Reservoir Injectivity and Capacity calculations
  • Wellbore, Fault and Caprock leakage estimates
  • Shallow Groundwater Impacts (changes in pH and TDS)
  • Leakage to the Atmosphere
  • Screening Mode: Quick estimates using built in semi-analytical solutions
  • Site Selection Mode: Import information from detailed reservoir simulators to estimate  environmental and economic impacts
  • Economic impacts

Applications

  • Used by US National Risk Assessment Program for CO2 Sequestration studies
  • Used by Southwest and Big Sky CO2 Partnerships for performance assessment
  • Coupled to LANL code SIMCCS to evaluate CO2 emissions from Oil Shale in the Piceance basin
  • Used in conjuction with the State of Wyoming to study the CO2 Sequestration at the Rock Springs Uplift, Wyoming

License

Copyright EES16. Los Alamos National Security, LLC. All rights reserved. This material was produced under U.S. Government contract DE-AC52-06NA25396 for Los Alamos National Laboratory, which is operated by Los Alamos National Security, LLC for the U.S. Department of Energy. The Government is granted for itself and others acting on its behalf a paid-up, nonexclusive, irrevocable worldwide license in this material to reproduce, prepare derivative works, and perform publicly and display publicly. Beginning five (5) years after December 11, 2012, subject to additional five-year worldwide renewals, the Government is granted for itself and others acting on its behalf a paid-up, nonexclusive, irrevocable worldwide license in this material to reproduce, prepare derivative works, distribute copies to the public, perform publicly and display publicly, and to permit others to do so. NEITHER THE UNITED STATES NOR THE UNITED STATES DEPARTMENT OF ENERGY, NOR LOS ALAMOS NATIONAL SECURITY, LLC, NOR ANY OF THEIR EMPLOYEES, MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR ASSUMES ANY LEGAL LIABILITY OR RESPONSIBILITY FOR THE ACCURACY, COMPLETENESS, OR USEFULNESS OF ANY INFORMATION, APPARATUS, PRODUCT, OR PROCESS DISCLOSED, OR REPRESENTS THAT ITS USE WOULD NOT INFRINGE PRIVATELY OWNED RIGHTS.

LACC-2012-122

Contacts

Rajesh Pawar
rajesh@lanl.gov
505-665-6929

Hari Viswanathan
viswana@lanl.gov
505-665-4638

Operated by Los Alamos National Security, LLC for the U.S. Department of Energy's NNSA

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