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Evidence for gas-induced pathways in clay using a nanoparticle injection technique

Published online by Cambridge University Press:  05 July 2018

J. F. Harrington ,
A. E. Milodowski ,
C. C. Graham ,
J. C. Rushton  and
R. J. Cuss
J. F. Harrington*
Affiliation:
British Geological Survey, Keyworth, Nottingham NG12 5GG, UK
A. E. Milodowski
Affiliation:
British Geological Survey, Keyworth, Nottingham NG12 5GG, UK
C. C. Graham
Affiliation:
British Geological Survey, Keyworth, Nottingham NG12 5GG, UK
J. C. Rushton
Affiliation:
British Geological Survey, Keyworth, Nottingham NG12 5GG, UK
R. J. Cuss
Affiliation:
British Geological Survey, Keyworth, Nottingham NG12 5GG, UK
*
*E-mail: [email protected]
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Abstract

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Corrosion, water radiolysis and microbial degradation will result in the generation of gas within repositories designed for the geological disposal of high-level radioactive waste. It is therefore crucial in the design of such facilities that the relevant mechanisms allowing gas migration through repository materials, both engineered barriers and clay-based candidate host rocks, are correctly identified. In Belgium, the Boom Clay represents a candidate host material for which the advective gas breakthrough characteristics and transport properties have been extensively tested and are well defined by numerous studies. The Boom Clay displays a significant capacity for self-sealing and both laboratory and field tests indicate that advective gas transport occurs not by visco-capillary flow, but instead through the formation of pressure-induced dilatant pathways. In this study, we present results from a gas injection test designed to demonstrate the presence of these features by injecting nanoparticulate tracers with helium gas into a sample of Boom Clay. The results provide conclusive evidence for the formation of transient, dilatant gas pathways within a candidate clay-based host rock. This technique provides a novel diagnostic tool for the identification of processes governing multi-phase flow, supporting robust long-term assessments of repository performance.

Keywords

boom claygas flowgeological disposalnanoparticlesradioactive waste
Type
Research Article
Information
Mineralogical Magazine , Volume 76 , Issue 8 , December 2012 , pp. 3327 - 3336
Creative Commons
Creative Common License - CCCreative Common License - BY
© [2012] The Mineralogical Society of Great Britain and Ireland. This is an open access article distributed under the terms of the Creative Commons Attribution (CC BY) licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 2012

References

Angeli, M., Soldal, M., Skurtveit, E. and Aker, E. (2009) Experimental percolation of supercritical CO2 through a caprock. Energy Procedia, 1, 3351–3358.CrossRefGoogle Scholar
Askarieh, M.M., Chambers, A.V., Dabniel, F.B.D., Fitzgerald, P.L., Holtom, G.J., Pilkington, N.J. and Rees, J.H. (2000) The chemical and microbial degradation of cellulose in the near field of a repository for radioactive wastes. Waste Management, 20, 93–106.CrossRefGoogle Scholar
Autio, J., Gribi, P., Johnson, L. and Marschall, P. (2006) Effect of excavation damage zone on gas migration in a KBS-3H type repository at Olkiluotu. Physics and Chemistry of the Earth, 31, 649–653.CrossRefGoogle Scholar
Aziz, K. and Settari, A. (1979) Petroleum Reservoir Simulation. Applied Science, London.Google Scholar
Davies, C. (2005) Overview of projects and activities related to EBS processes, carried out as part of the 5th and 6th Euratom framework programmes (1998-2006.. Pp 57-65.in: Engineered Barrier Systems (EBS) in the context of the entire safety case. Workshop Proceedings, Las Vegas, United States, 14–17.September 2004. OECD, Nuclear Energy Agency No. 6001, OECD Publishing, Paris.Google Scholar
Dehandschutter, B., Vandycke, S., Sintubin, M., Vandenberghe, N., Gaviglio, P., Sizun, J.-P. and Wouters L. (2004) Microfabric of fractured Boom Clay at depth: a case study of brittle-ductile transitional clay behaviour. Applied Clay Science, 26, 389–401.CrossRefGoogle Scholar
Ekeroth, E., Roth, O. and Jonsson, M. (2006) The relative impact of radiolysis products in radiationinduced oxidative dissolution of UO2. Journal of Nuclear Materials, 355, 38–46.CrossRefGoogle Scholar
Gallé, C. and Tanai, K. (1998) Evaluation of gas transport properties of backfill materials for waste disposal: H2 migration experiments in compacted Fo-Ca clay. Clays and Cla. Minerals, 46, 498–508.Google Scholar
Harrington, J.F. and Horseman, S.T. (1997) Gas migration in clay. Pp. 153–173.in: Projects on the effects of gas in underground storage facilities for radioacive waste (Pegasus project). Proceedings of a progress meeting held in Mol, Belgium, 28 and 29 May 1997 (B. Haijtink and W. Rodwell, editors). European Science and Technology Series (1998) EUR 18167 EN.Google Scholar
Harrington, J.F. and Horseman, S.T. (1999) Gas transport properties of clays and mudrocks. Pp. 107–124.in. Muds and Mudstones: Physical and Fluid Flow Properties (A.C Aplin A.J. Fleet and J.H.S. Macquaker, editors). Geological Society of London, Special Publication, 158. Geological Society of London, London.Google Scholar
Harrington, J.F. and Horseman, S.T. (2003) Gas migration in KBS-3 buffer bentonite: Sensitivity of test parameters to experimental boundary conditions. SKB Technical Report TR-03–02.Google Scholar
Harrington, J.F., Noy, D.J., Horseman, S.T., Birchall, J.D. and Chadwick, R.A. (2009) Laboratory study of gas and water flow in the Nordland Shale, Sleipner, North Sea. Pp. 521–543.in: Carbon Dioxide Sequestration in Geological Media - State of the Science (M. Grobe, J.C. Pashin and R.L. Dodge, editors). AAPG Studies in Geology, 59. American Association of Petroleum Geologists, Tulsa, Oklahoma, USA.Google Scholar
Harrington, J.F., de La Vaissiére, R., Noy, D.J., Cuss, R.J. and Talandier, J. (2012) Gas flow in Callovo- Oxfordian Clay (COx): results from laboratory and field-scale measurements. Mineralogical Magazine, 76, 3303–3318.CrossRefGoogle Scholar
Horseman, S.T. and Harrington, J.F. (1994) Migration of repository gases in an overconsolidated clay. British Geological Survey Technical Report WE/94/7. British Geological Survey, Keyworth, UK.Google Scholar
Horseman, S.T. and Harrington, J.F. (1997) Study of gas migration in Mx80 buffer bentonite. British Geological Survey, Technical Report WE/97/7. British Geological Survey, Keyworth, UK.Google Scholar
Horseman, S.T., Harrington, J.F. and Sellin, P. (1999) Gas migration in clay barriers. Engineering Geology, 54, 139–149.CrossRefGoogle Scholar
Kresis, P. (1991) Hydrogen evolution from corrosion of iron and steel in low/intermediate level waste repositories. Nagra Technical Report, NTB 91–21. Nagra, Wettingen, Switzerland.Google Scholar
Neretnieks, I. (1984) Impact of alpha-radiolysis on the release of radionuclides from spent fuel in a geologic repository. Materials Research Society Symposium, 26, 1009–1022.CrossRefGoogle Scholar
Ortiz, L., Volcharet, G., De Canniere, P., Aertsens, M., Horseman, S.T., Harrington, J.F., Impey, M., and Einchcomb, S. (1996). MEGAS - Modelling and Experiments on Gas Migration in Repository Hostrocks. Nuclear Science and Technology Series, EUR 16746 EN, Luxembourg, 127–147.Google Scholar
Ortiz, L., Volckaert, G. and Mallants, D. (2002) Gas generation and migration in Boom Clay, a potential host rock formation for nuclear waste storage. Engineering Geology, 64, 287–296.CrossRefGoogle Scholar
Rodwell, W.R. (editor) (2000) Research into Gas Generation and Migration in Radioactive Waste Repository Systems (PROGRESS Project). Nuclear Science and Technology EUR 19133 EN, European Commission, Luxembourg.Google Scholar
Smart, N.R., Carlson, L., Hunter, F.M.I., Karnland, O., Pritchard, A.M., Rance, A.P. and Werme, L.O. (2006) Interactions between iron corrosion products and bentonite. Serco Assurance Report to SKB, SA/ EIG/12156/C001.Google Scholar
Van Geet, M., Bastiaens, W. and Ortiz, L. (2008) Selfsealing capacity of argillaceous rocks: review of laboratory results obtained from the SELFRAC project. Physics and Chemistry of the Earth, Parts A/B/C, 33, S396-S406.Google Scholar
Weetjens, E. and Sillen, X. (2006) Gas Generation and Migration in the Near Field of a Supercontainer- Based Disposal System for Vitrified High-Level Radioactive Waste. Proceedings of the 11th International High-Level Radioactive Waste Management Conferance (IHLRWM), Las Vegas, Nevada, USA.Google Scholar
Wikramaratna, R.S., Goodfield, M., Rodwell, W.R. Nash, P.J. and Agg, P.J. (1993) A Preliminary Assessment of Gas Migration from the Copper/Steel Canister. SKB Technical report TR93–31. Swedish Nuclear Fuel and Waste Management Company (SKB), Stockholm, Sweden. 333.Google Scholar