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Fluid Injection Under Differential Confinement

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Abstract

Laboratory studies of cavity initiation and propagation in weak or cohesionless materials rely on post-test observations to assess fracture geometry. The experimental setup in this work is a Hele-Shaw cell, which allows for visualization of cavity initiation and propagation within the sand pack, modified to apply differential confinement to a fully 3D specimen. Injection experiments with glycerine at different concentrations and at varying injection rates were conducted with anisotropic boundary conditions on loose sand. The fracture initiation and evolution were observed under various flow rates and viscosities. Infiltration and dislocation of particles were the main mechanisms observed in the tests. Fracture-like channels initially developed in a circular shape due to cavity expansion but then formed rod shapes (shear bands, material fluidization) where an anisotropic stress was applied. This transition from circular to elongated cavity appeared earlier in the tests with higher viscosity fluids, while higher injection rates produced wider openings as the larger volume of fluid was able to displace more particles. Although the cavity showed directionality in all cases, it became less confined to the propagating plane as the flow rate increased. For higher viscosities, the cavities tended to be more circular, whilst for lower viscosities, the cavities showed more directionality.

Article Highlights.

  • The experimental setup allows for visualization of cavity propagation in a 3D sandpack specimen.

  • Infiltration and dislocation of particles were the main mechanisms observed in theexperiments.

  • Channels initially developed in

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Availability of Data and Material

The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

References

  • Ageh, E.A., Ebitu, S., Uzoh, O.J.: Analyzing the impact of temperature effects and other fracturing parameters on fracture growth propagation and injectivity in unconsolidated sands. In: 34th Annual SPE International Conference and Exhibition, pp. 1–12. Tinapa-Calabar, Nigeria (2010)

  • Bohloli, B., de Pater, C.J.: Experimental study on hydraulic fracturing of soft rocks: Influence of fluid rheology and confining stress. J. Pet. Sci. Eng. 53, 1–12 (2006). https://doi.org/10.1016/j.petrol.2006.01.009

    Article  Google Scholar 

  • Callahan, P., Zhang, F., Martell, A., Horner, A., Huang, H.: Injection experiments in sand and silica flour mixtures. In: GeoCongress 2012: State of the Art and Practice in Geotechnical Engineering, pp. 2244–2252 (2012)

  • Chang, H.: Hydraulic fracturing in particulate materials. PhD Thesis, Georgia Institute of Technology (2004)

  • Chang, H., Germanovich, L.N., Wu, R., Santamarina, J.C., Dijk, P.E.: Hydraulic fracturing in cohesionless particulate materials. Am. Geophys. Union, Washington, DC. (2003)

  • Chin, L.Y., Company, C., Montgomery, C.T., Company, C.: A numerical model for simulating solid waste injection in soft rock reservoirs. In: SPE Annual Technical Conference and Exhibition. pp. 1–14. Houston, Texas (2004)

  • De Pater, C.J., Dong, Y.: Experimental study of hydraulic fracturing in sand as a function of stress and fluid rheology. In: SPE Hydraulic Fracturing Technology Conference. pp. 1–10. Texas (2007)

  • Detournay, E.: Propagation regimes of fluid-driven fractures in impermeable rocks. Int. J. Geomech. 4, 35–45 (2004)

    Article  Google Scholar 

  • Gago, P.A., Konstantinou, C., Biscontin, G., King, P.: Stress inhomogeneity effect on fluid-induced fracture behavior into weakly consolidated granular systems. Phys. Rev. E. 102, 1–5 (2020). https://doi.org/10.1103/physreve.102.040901

    Article  Google Scholar 

  • Germanovich, L.N., Hurt, R.S., Ayoub, J.A., Siebrits, E., Norman, D., Ispas, I., Montgomery, C.T.: Experimental study of hydraulic fracturing in unconsolidated materials. In: SPE International Symposium and Exhibition on Formation Damage Control. pp. 1–15. Louisiana (2012)

  • Gil, I.R., Hart, R., Roegiers, J.C., Shimizu, Y.: Considerations on hydraulic fracturing of unconsolidated formations. In: Eurock 2005: Impact of Human Activity on the Geological Environment. pp. 155–161. Brno, Czech Republic (2005)

  • Golovin, E., Jasarevic, H., Chudnovsky, A., Dudley, J.W., Wong, G.K.: Observation and characterization of hydraulic fracture in cohesionless sand. In: 44th US Rock Mechanics Symposium and 5th US-Canada Rock Mechanics Symposium, Salt Lake City, UT (2010)

  • Golovin, E., Chudnovsky, A., Dudley, J.W., Wong, G.K.: Injection rate effects on waterflooding mechanisms and injectivity in cohesionless sand. In: 45th US Rock Mechanics/Geomechanics Symposium. pp. 1–9., San Francisco (2011)

  • Guida, G., Viggiani, G.M.B., Casini, F.: Multi-scale morphological descriptors from the fractal analysis of particle contour. Acta Geotech. 5, 1067–1080 (2019). https://doi.org/10.1007/s11440-019-00772-3

    Article  Google Scholar 

  • Huang, H., Zhang, F., Callahan, P., Ayoub, J.: Fluid injection experiments in two-dimensional porous media. Soc. Pet. Eng. J. 17, 903–911 (2012). https://doi.org/10.2118/140502-MS

    Article  Google Scholar 

  • Hurt, R.S., Wu, R., Germanovich, L., Chang, H., Dyke, P.V.: On mechanics of hydraulic fracturing in cohesionless materials. Pap. Present. AGU Fall Meet. Eos Trans, San Fr. CA. (2005)

  • Jasarevic, H., Golovin, E., Chudnovsky, A., Dudley, J.W., Wong, G.K.: Observation and Modeling of Hydraulic Fracture Initiation in Cohesionless Sand. In: 44th US Rock Mechanics Symposium and 5th US-Canada Rock Mechanics Symposium, Salt Lake City, UT (2010)

  • Khodaverdian, M.: Injectivity and fracturing in unconsolidated sand reservoirs: Waterflooding case study, offshore Nigeria. In: 44th US Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, pp. 1–12. Salt Lake City, UT (2010)

  • Konstantinou, C.: Hydraulic fracturing of artificially generated soft sandstones. PhD Thesis, University of Cambridge (2020)

  • Konstantinou, C., Biscontin, G.: Soil enhancement via microbially induced calcite precipitation. In: Proceedings of the 10th International Symposium on Geotechnical Aspects of Underground Construction in Soft Ground. p. Accepted paper, Taylor & Francis, Cambridge (2021)

  • Konstantinou, C., Biscontin, G., Jiang, N.-J., Soga, K.: Application of microbially induced carbonate precipitation (MICP) to form bio-cemented artificial sandstone. J. Rock Mech. Geotech. Eng. 13, 579–592 (2021). https://doi.org/10.1016/j.jrmge.2021.01.010

    Article  Google Scholar 

  • Konstantinou, C., Biscontin, G., Logothetis, F.: Tensile strength of artificially cemented sandstone generated via microbially induced carbonate precipitation. Materials (Basel) 14, 4735 (2021). https://doi.org/10.3390/ma14164735

    Article  Google Scholar 

  • Konstantinou, C., Wang, Y., Biscontin, G., Soga, K.: The role of bacterial urease activity on the uniformity of carbonate precipitation profiles of bio-treated coarse sand specimens. Sci. Rep. 11, 1–17 (2021). https://doi.org/10.1038/s41598-021-85712-6

    Article  Google Scholar 

  • Murdoch, L.C.: Hydraulic fracturing of soil during laboratory experiments Part 1. Methods and observations. Géotechnique. 43, 255–265 (1993). https://doi.org/10.1680/geot.1993.43.2.255

    Article  Google Scholar 

  • Murdoch, L.C.: Hydraulic fracturing of soil during laboratory experiments Part 2. Propagation. Géotechnique. 43, 267–276 (1993). https://doi.org/10.1680/geot.1993.43.2.267

    Article  Google Scholar 

  • Murdoch, L.C.: Hydraulic fracturing of soil during laboratory experiments Part 3. Theoretical analysis. Geotechnique 43, 277–287 (1993). https://doi.org/10.1680/geot.1993.43.2.277

    Article  Google Scholar 

  • Olson, J., Holder, J., Hosseini, M.: Soft rock fracturing geometry and failure mode in lab experiments. In: SPE Hydraulic Fracturing Technology Conference and Exhibition, pp. 1–9. Woodlands, Texas (2011)

  • Papanastasiou, P.: An efficient algorithm for propagating fluid-driven fractures. Comput. Mech. 24, 258–267 (1999). https://doi.org/10.1007/s004660050514

    Article  Google Scholar 

  • Papanastasiou, P.: Localization of deformation and failure around elliptical perforations based on a polar continuum. Comput. Mech. 26, 352–361 (2000). https://doi.org/10.1007/s004660000183

    Article  Google Scholar 

  • Sarris, E., Papanastasiou, P.: The influence of pumping parameters in fluid-driven fractures in weak porous formations. Int. J. Numer. Anal. Methods Geomech. 39, 635–654 (2015). https://doi.org/10.1002/nag

    Article  Google Scholar 

  • van Dam, D.B., Papanastasiou, P., de Pater, C.J.: Impact of rock plasticity on hydraulic fracture propagation and closure. SPE Prod. Facil. 17, 149–159 (2002). https://doi.org/10.2118/78812-PA

  • Wilkes, C.: cw646/matlab\_bw\_trace: Thesis release. Zenodo (2020). 10.5281/zenodo.4321846

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Acknowledgements

This work has been carried out at the Department of Engineering at the University of Cambridge. We thank Chris Knight and Maria Potamiali for their help. The authors acknowledge the funding and technical support from bp through the bp International Centre for Advanced Materials (bp-ICAM) which made this research possible.

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CK was involved in conceptualization, methodology, investigation, formal analysis, software, writing—original draft. RKK contributed to methodology, investigation, formal analysis, writing—review and editing. CW was involved in software, data curation, formal analysis, writing—review and editing. GB contributed to conceptualization, formal analysis, writing—review and editing, funding acquisition, supervision.

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Correspondence to Charalampos Konstantinou.

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Konstantinou, C., Kandasami, R.K., Wilkes, C. et al. Fluid Injection Under Differential Confinement. Transp Porous Med 139, 627–650 (2021). https://doi.org/10.1007/s11242-021-01692-1

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  • DOI: https://doi.org/10.1007/s11242-021-01692-1

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