National Risk Assessment Partnership
 

   


 Potential Receptors   Seal Integrity   Reservoir   Induced Seismicity   Strategic Monitoring


Technical Report Series (TRS) and Peer-Reviewed Publications

The NRAP Technical Report Series (TRS) is intended as a rapid, informal mechanism for producing a technical document that has been approved for public release.  TRS are internally peer reviewed and can be downloaded as PDFs.

Each area of the block diagram (below right) is hot-linked to a page listing the associated TRSs.

NRAP has also been actively publishing results in various peer-reviewed journals.  Citations for these publications are also provided for each area.

                                  
 

NRAP Publications


TECHNICAL REPORT SERIES

RECEPTORS: ATMOSPHERE
Quantification of Risk Profiles for Atmosphere and Groundwater [PDF-1.2MB] (Jan 2013)

RECEPTORS: GROUNDWATER
Quantification of Risk Profiles for Atmosphere and Groundwater [PDF-1.2MB] (Jan 2013)

Laboratory and Synchrotron Analysis of Metal Sediment Associations [PDF-1.2MB] (Oct 2012)

PEER-REVIEWED PUBLICATIONS
2013
Dafflon, B.; Wu, Y.; Hubbard, S.; Birkholzer, J. T.; Daley, T.; Pugh, J.; Peterson, J. E.; Trautz, R. C. Monitoring CO2 Intrusion and Associated Geochemical Transformations in a Shallow Groundwater System Using Complex Electrical Methods. Environ. Sci. Technol. 2013, 47, 314–321.

Harvey, O. R.; Qafoku, N. P.; Cantrell, K. J.; Amonette, J. E.; Brown, C. F. Geochemical Implications of Gas Leakage Associated with Geologic CO2 Storage-A Qualitative Review. Environ. Sci. Tech. 2013, 47, 23–36.

Jung, H. B.; Um, W.; Cantrell, K. J. Effect of oxygen co-injected with carbon dioxide on Gothic shale caprock-CO2-brine interaction during geologic carbon sequestration. Chemical Geology 2013, 354, 1–14.

Karamalidis, A. K.; Torres, S. G.; Hakala, J. A.; Shao, H.; Cantrell, K. J.; Carroll, S. A. Trace metal source terms in carbon sequestration environments. Environ. Sci. Tech. 2013, 47, 322–329.

Keating, E. H.; Newell, D. L.; Viswanathan, H.; Carey, J. W.; Zyvoloski, G.; Pawar, R. CO2/Brine Transport into Shallow Aquifers along Fault Zones. Environ. Sci. Technol. 2013, 47, 290–297.

Shao, H.; Thompson, C. J.; Qafoku, O.; Cantrell, K. J. In Situ Spectrophotometric Determination of pH under Geologic CO2 Sequestration Conditions: Method Development and Application. Environ. Sci. Tech. 2013, 47, 63–70.

Trautz, R. C.; Pugh, J. D.; Varadharajan, C.; Zheng, L.; Bianchi, M.; Nico, P. S.; Spycher, N. F.; Newell, D. L.; Esposito, R. A.; Wu, Y.; Dafflon, B.; Hubbard, S. S.; Birkholzer, J. T. Effect of Dissolved CO2 on a Shallow Groundwater System: A Controlled Release Field Experiment. Environ. Sci. Technol. 2013, 47, 298–305.

Walsh, S. D. C.; Carroll, S. A. A fracture-scale model of immiscible fluid flow. Phys. Rev. E 2013, 87.

Zhong, L.; Cantrell, K. J.; Mitroshkov, A. V.; Shewell, J. Mobilization and transport of organic compounds from reservoir rock and caprock in geological carbon sequestration sites. Submitted to Environmental Earth Sciences, accepted for publication.

2012

Harvey, O. R.; Qafoku, N.; Cantrell, K. J.; Brown, C. F. Geochemical Implications of O2 Leakage Associated with Geologic Storage: A Review; PNNL-21550; Pacific Northwest National Laboratory: Richland, WA, 2012.

Houseworth, J. E.; Jordan, P. D. Potential for environmental impact due to acid gas leakage from wellbores at EOR injection sites near Zama Lake, Alberta: response to D. M. LeNeveu. Greenhouse Gas Sci Technol. 2012, 2, 314–319.

Keating, E. H.; Hakala, J. A.; Viswanathan, H.; Carey, J. W.; Pawar, R.; Guthrie, G. D.; Fessenden-Rahn, J. CO2 leakage impacts on shallow groundwater: Field-scale reactive-transport simulations informed by observations at a natural analog site. Applied Geochemistry 2012, 30, 136–147.

Viswanathan, H.; Dai, Z.; Lopano, C.; Keating, E.; Hakala, J. A.; Scheckel, K. G.; Zheng, L.; Guthrie, G. D.; Pawar, R. Developing a robust geochemical and reactive transport model to evaluate possible sources of arsenic at the CO2 sequestration natural analog site in Chimayo, New Mexico. International Journal of Greenhouse Gas Control 2012, 10, 199–214.

PRESENTATIONS
2013

Keating E. H.; Pawar, R. J. Overview of potential CO2/brine leakage rates along faults. Presented at the IEAGHG Joint Network Meeting, Trondheim, Norway, June 10–13, 2013.

Walsh, S. D. C.; Smith, M. M.; Carroll, S. A. Decoupling reaction and deformation in natural fractures with X-Ray Micro-tomography and Particle Image Velocimetry. Presented at the 47th US Rock Mechanics/Geomechanics Symposium held in San Francisco, CA, June 23–26, 2013; ARMA, American Rock Mechanics Association, 2013; ARMA 13–445

2012
Keating, E. H.; et al. Preliminary findings at a natural CO2 reservoir in Springerville-St. Johns, Arizona: Insights into natural CO2 leakage pathways and impacts on shallow groundwater quality. Presented at the 2012 CCUS Conference, Pittsburgh, PA, April 30–May 3, 2012.

  • Wellbores & Seals Integrity: The focus of the NRAP work on wellbores and seals is to develop tools for predicting and assessing the integrity of key components that ensure CO2 is contained in the reservoir, including wellbores, faults, and fractures.

TECHNICAL REPORT SERIES

Assessment of Decoupling Wellbore Leakage from Reservoir Flow in Reduced-Order Models [PDF-2.0MB] (Jan 2013)

 PEER-REVIEWED PUBLICATIONS SEALS 
2012 

Jung, J. W.; Wan, J. Supercritical CO2 and Ionic Strength Effects on Wettability of Silica Surfaces: Equilibrium Contact Angle Measurements. Energy Fuels 2012, 26, 6053–6059.

Kim, Y.; Wan, J.; Kneafsey, T. J.; Tokunga, T. K. Dewetting of Silica Surfaces upon Reactions with Supercritical CO2 and Brine: Pore-Scale Studies in Micromodels. Environ. Sci. Technol. 2012, 46, 4228–4235. 

Lu, C.; Sun, Y.; Buscheck, T. A.; Hao, Y.; White, J. A.; Chiaramonte, L. Uncertainty quantification of CO2 leakage through a fault with multiphase and nonisothermal effects. Greenhouse Gas Sci Technol. 2012, 2, 445–459. 

Rutqvist, J. The Geomechanics of CO2 Storage in Deep Sedimentary Formations. Geotechnical and Geological Engineering 2012, 30, 525–551. 

Wilson, T.; Weber, M.; Bennett, J.; Wells, A.; Siriwardane, H.; Akwari, B.; Koperna, G. Fracture Model, Ground Displacements and Tracer Observations: Fruitland Coals, San Juan Basin, New Mexico, CO2 Pilot Test. International Pittsburgh Coal Conference, Pittsburgh, PA, Oct 15–18, 2012. 

2011 

Cappa, F.; Rutqvist, J. Modeling of coupled deformation and permeability evolution during fault reactivation induced by deep underground injection of CO2. International Journal of Greenhouse Gas Control 2011, 5, 336–346. 

WELLBORES
2013 

Mason, H. E.; Du Frane, W. L.; Walsh, S. D. C.; Dai, Z.; Charnvanichborikarn, S.; Carroll, S. A. Chemical and Mechanical Properties of Wellbore Cement Altered by CO2-rich Brine using a Multi-analytical approach. Environmental Science and Technology 2013, 47, 1745–1752. 

Walsh, S. D. C.; Du Frane, W. L.; Mason, H. E.; Carroll, S. A. Permeability of Welbore-Cement Fractures Following Degradation by Carbonated Brines. Rock Mechanics and Rock Engineering 2013, 46, 455–464. 

2012 

Houseworth, J. E.; Jordan, P. D. Potential for environmental impact due to acid gas leakage from wellbores at EOR injection sites near Zama Lake, Alberta: response to D. M. LeNeveu. Greenhouse Gas Sci Technol. 2012, 2, 314–319. 

2011 

Pan, L.; Webb, S. W.; Oldenburg, C. M. Analytical solution for two-phase flow in a wellbore using the drift-flux model. Advances in Water Resources 2011, 34, 1656–1665. 

PRESENTATIONS
2012 

Walsh, S. D. C.; Du Frane, W. L.; Sholokhova, Y.; Settgast, R.; Johnson, S. M.; Carroll, S. A. Chemo-mechanical permeability evolution in wellbore-cement fractures exposed to carbon-dioxide-rich brines. Presented at the 46th US Rock Mechanics/Geomechanics Symposium held in Chicago, IL, USA, June 24–27, 2012; ARMA, American Rock Mechanics Association, 2012; ARMA 12–426 

  • Reservoir: The focus of the NRAP reservoir work is to develop tools for the rapid prediction of pressures and saturations at the reservoir—seal interface. 

TECHNICAL REPORT SERIES 

Modeling the Performance of Large-Scale CO2 Storage Systems: A Comparison of Different Sensitivity Analysis Methods [PDF-768KB] (Oct 2012) 

Developing Surrogate Models for CO2 Sequestration Using Polynomial Chaos Expansion [PDF-974KB] (Sep 2013) 

Reduced-Order Model Development for CO2 Storage in Brine Reservoirs [PDF-725KB] (Oct 2012) 

PEER-REVIEWED PUBLICATIONS
2013 

Jung, H. B.; Um, W.; Cantrell, K. J. Effect of oxygen co-injected with carbon dioxide on Gothic shale caprock-CO2-brine interaction during geologic carbon sequestration. Chemical Geology 2013, 354, 1–14. 

Liu, X.; Zhou, Q.; Birkholzer, J. T. Geostatistical reduced-order models in under-determined inverse problems. Submitted to Water Resources Research, in press. 

Zhong, L.; Cantrell, K. J.; Mitroshkov, A. V.; Shewell, J. Mobilization and transport of organic compounds from reservoir rock and caprock in geological carbon sequestration sites. Submitted to Environmental Earth Sciences, accepted for publication. 

2012 

Cihan, A.; Birkholzer, J. T.; Zhou, Q. Pressure Buildup and Brine Migration During CO2 Storage in Multilayered Aquifers. Groundwater 2012, 51, 252–267. 

Kim, Y.; Wan, J.; Kneafsey, T. J.; Tokunga, T. K. Dewetting of Silica Surfaces upon Reactions with Supercritical CO2 and Brine: Pore-Scale Studies in Micromodels. Environ. Sci. Technol. 2012, 46, 4228–4235. 

Rutqvist, J. The Geomechanics of CO2 Storage in Deep Sedimentary Formations. Geotechnical and Geological Engineering 2012, 30, 525–551. 

PRESENTATIONS
2013 

Keating, E. H., et al., Insights into CO2 leakage pathways and groundwater impacts from studies at a natural analog site near Springerville, Arizona. Presented at the 2012 CCUS Conference, Pittsburgh, PA, April 30–May 3, 2012. 

2012 

Kelkar, S.; Karra, S.; Pawar, R.; Zyvoloski, G. Modeling coupled Thermo-Hydro-Mechanical processes including plastic deformation in geological porous media. AGU Fall Meeting, San Francisco, CA, Dec 3–7, 2012. 

  • Induced Seismicity: The focus of the NRAP work on induced seismicity is to develop tools for predicting and assessing the potentia The focus of the NRAP work on induced seismicity is to develop tools for predicting and assessing the potential for fluid injection to induce events that result in ground motion at Earth's surface. 

TECHNICAL REPORT SERIES
2013 

First-Generation Toolset for Calculation of Induced Seismicity Hazard Profiles [PDF-651KB] (Jan 2013) 

PEER-REVIEWED PUBLICATIONS
2012 

Cappa, F.; Rutqvist, J. Seismic rupture and ground accelerations induced by CO2 injection in the shallow crust. Geophysical Journal International 2012, 190, 1784–1789. 

Mazzoldi, A.; Rinaldi, A. P.; Borgia, A.; Rutqvist, J. Induced seismicity within geological carbon sequestration projects: Maximum earthquake magnitude and leakage potential from undetected faults. International Journal of Greenhouse Gas Control 2012, 10, 434–442. 

Rutqvist, J. The Geomechanics of CO2 Storage in Deep Sedimentary Formations. Geotechnical and Geological Engineering 2012, 30, 525–551. 

2011 

Cappa, F.; Rutqvist, J. Impact of CO2 geological sequestration on the nucleation of earthquakes. Geophys. Res. Lett. 2011, 38. 

Myer, L. R.; Daley, T. M. Elements of a best practices approach to induced seismicity in geologic storage. Energy Procedia 2011, 4, 3707–3713. 

  • Strategic Monitoring: The focus of the NRAP work on monitoring is to develop a protocol for risk-based strategic monitoring and mitigation as part of a risk management plan to reduce uncertainties and risk at a site. The work includes analysis of (1) key signals to monitor, (2) potential needs for baseline monitoring, and (3) the expected benefit to lowering risk and/or uncertainties that results from strategic monitoring.

PEER-REVIEWED PUBLICATIONS
2013 

Ajo-Franklin, J. B.; Peterson, J.; Doetsch, J.; Daley, T. M. High-resolution characterization of a CO2 plume using crosswell seismic tomography: Cranfield, MS, USA. Int. J. Greenhouse Gas Control, in press. 

Commer, M.; Kowalsky, M. B.; Doetsch, J.; Newman, G.; Finsterle, S. MPiTOUGH2: A parallel parameter estimation framework for hydrological and hydrogeophysical applications. Submitted to Computers and Geosciences, in press. 

Dafflon, B.; Wu, Y.; Hubbard, S.; Birkholzer, J. T.; Daley, T.; Pugh, J.; Peterson, J. E.; Trautz, R. C. Monitoring CO2 Intrusion and Associated Geochemical Transformations in a Shallow Groundwater System Using Complex Electrical Methods. Environ. Sci. Technol. 2013, 47, 314–321.

Doetsch, J.; Kowalsky, M. B.; Doughty, C.; Finsterle, S.; Ajo-Franklin, J. B.; Carrigan, C. R.; Yang, X.; Hovorka, S. D.; Daley, T. M. Constraining CO2 simulations by coupled modeling and inversion of electrical resistance and gas composition data. Int. J. of Greenhouse Gas Control2013, 18, 510–522 

Jung, Y.; Zhou, Q.; Birkholzer, J. T. Early detection of brine and CO2 leakage through abandoned wells using pressure and surface-deformation monitoring data: Concept and demonstration. Submitted to Advances in Water Resources, in press. 

Shao, H.; Thompson, C. J.; Qafoku, O.; Cantrell, K. J. In Situ Spectrophotometric Determination of pH under Geologic CO2 Sequestration Conditions: Method Development and Application. Environ. Sci. Tech. 2013, 47, 63–70. 

Sun, Y.; Tong, C.; Trainor-Guitton, W. J.; Lu, C.; Mansoor, K.; Carroll, S. A. Global sampling for integrating physics-specific subsystems and quantifying uncertainties of CO2 geological sequestration. International Journal of Greenhouse Gas Control 2013, 12, 108–123. 

Trautz, R. C.; Pugh, J. D.; Varadharajan, C.; Zheng, L.; Bianchi, M.; Nico, P. S.; Spycher, N. F.; Newell, D. L.; Esposito, R. A.; Wu, Y.; Dafflon, B.; Hubbard, S. S.; Birkholzer, J. T. Effect of Dissolved CO2 on a Shallow Groundwater System: A Controlled Release Field Experiment. Environ. Sci. Technol. 2013, 47, 298–305. 

2012 

Gao, D. Implications of the Fresnel-Zone Texture for Seismic Amplitude Interpretation. Geophysics 2012, 77, 35–44. 

Wilson, T. H.; Wells, A.; Peters, D.; Mioduchowski, A.; Martinez, G.; Koperna, G.; Akwari, B. N.; Heath, J. Fracture and 3D seismic interpretations of the Fruitland Formation and cover strata: Implications for CO2 retention and tracer movement, San Juan Basin Pilot test. International Journal of Coal Geology 2012, 99, 35–53. 

2011 

Harbert, W.; Purcell, C.; Mur, A. Seismic reflection data processing of 3D surveys over an EOR CO2 injection. Energy Procedia 2011, 4, 3684–3690. 

Mur, A.; Purcell, C.; Soong, Y.; Crandall, D.; McLendon,T. R.; Haljasma, I. V.; Warzinski, R.; Kutchko, B.; Kennedy, S.; Harbert, W. Integration of core sample velocity measurements into a 4D seismic survey and analysis of SEM and CT images to obtain pore scale properties. Energy Procedia 2011, 4, 3676–3683.

2010 

Harbert, W.; Mur, A.; Soong, Y.; McLendon, T. R.; Haljasmaa, I. V.; Purcell, C. Integrating velocity measurements in a reservoir rock sample from the SACROC unit with an AVO proxy for subsurface supercritical CO2. The Leading Edge (Tulsa) 2010, 29, 192–195. 

2009 

Purcell, C.; Harbert, W.; Soong, Y.; McLendon, T. R.; Haljasmaa, I. V.; McIntyre, D.; JiKich, J. Velocity measurements in reservoir rock samples from the SACROC unit using various pore fluids, and integration into a seismic survey taken before and after a CO2 sequestration flood. Energy Procedia 2009, 1, 2323–2331.

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