Refereed Journal Papers

*preprints are available via the hyperlinks
*codes for selected projects are available via GitHub

  1. Zhong, C. and Leung, J.Y. (in press). Coupling upscaled discrete fracture matrix and apparent permeability modelling in DFNWORKS for shale reservoir simulation. Advances in Water Resources https://doi.org/10.1016/j.advwatres.2024.104776 (open access)
  2. Xu, Z. and Leung, J.Y. (accepted). Shale gas production forecasting with well interference based on spatial-temporal graph convolutional network. SPE Journal.
  3. Chen, J., Leung, J.Y., and van der Baan, M. (2024). Characterization of low-frequency distributed acoustic sensing signals in hydraulic fracturing stimulation – A coupled flow-geomechanical simulation approach. Geomechanics for Energy and the Environment, 39, 100574. https://doi.org/10.1016/j.gete.2024.100574 (open access)
  4. Xu, Z. and Leung, J.Y. (accepted). Dynamic real-time production forecasting model for complex subsurface flow systems with variable-length input sequences. SPE Journal.
  5. Andriianova, E. and Leung, J.Y. (accepted). Statistical upscaling of transport parameters considering heterogeneous porosity and facies distribution – An application for warm solvent injection processes modeling. SPE Journal.
  6. Nwabia, F. and Leung, J.Y. (2024). A Practical probabilistic history matching framework for characterizing fracture network parameters of shale gas reservoirs. Gas Science and Engineering, 126, 205326. https://doi.org/10.1016/j.jgsce.2024.205326
  7. Shi, Y., Mohanty, K.K., Leung, J.Y., and You, Q. (accepted). A new mechanistic model for wettability-altering surfactant floods in carbonates. SPE Journal, 219468-PA.
  8. Izadi, H., Leung, J.Y., Soroush, M., Roostaei, M., Mahmoudi, M., Stevenson, J., Tuttle, A., Sutton, C., Mirzavand, R. and Fattahpour, V. (2024). Impact of inflow and outflow rate control to minimize freshwater usage: Historical Canadian steam-assisted gravity drainage operations versus numerical simulations. Energy & Fuels, 38(4), 2952–2968.  https://pubs.acs.org/doi/10.1021/acs.energyfuels.3c03801
  9. Xu, Z. and Leung, J.Y. (2024). A novel formulation of RNN-based neural network with real-time updating–An application for dynamic hydraulic fractured shale gas production forecasting. Geoenergy Science and Engineering, 233, p.212491. https://doi.org/10.1016/j.geoen.2023.212491 Preprint
  10. Xu, Z., Chen, J., and Leung, J.Y. (2023). An improved dual-porosity dual-permeability modeling Workflow for representing nonplanar hydraulic fractures. Gas Science and Engineering: 205108. https://doi.org/10.1016/j.jgsce.2023.205108 Preprint
  11. Izadi, H., Leung, J.Y., Roostaei, M., Mahmoudi, M., Stevenson, J., Tuttle, A., Sutton, C., Mirzavand, R. and Fattahpour, V. (2023). Data-driven analysis of using flow control devices and extended reach wells on SAGD well performance. Geoenergy Science and Engineering, 231, p.212336. https://doi.org/10.1016/j.geoen.2023.212336 
  12. Andriianova, E. and Leung, J.Y. (2023). Statistical upscaling workflow for warm solvent injection processes – Longitudinal and transverse dispersivity and thermal conductivity. Chemical Engineering Science, 279: 118943. https://doi.org/10.1016/j.ces.2023.118943 Preprint
  13. Izadi, H., Leung, J.Y., Roostaei, M., Mahmoudi, M., Stevenson, J., Tuttle, A., Sutton, C., Mirzavand, R. and Fattahpour, V. (2023). A practical workflow to design inflow control devices in SAGD projects to increase production and lower fresh water usage. Fuel, 129454. https://doi.org/10.1016/j.fuel.2023.129454
  14. Sun, K. Liu, H., Leung, J.Y., Wang, J., Feng, Y., Liu, R., Kang, Z. and Zhang, Y. (2023). Impact of effective stress on permeability for carbonate fractured-vuggy rocks. Journal of Rock Mechanics and Geotechnical Engineering. https://doi.org/10.1016/j.jrmge.2023.04.007
  15. Zhang, G. and Leung, J.Y. (2023). Design of injected water salinity for enhanced oil recovery applications in sandstone reservoirs using coupled flow-geochemical simulation, Geoenergy Science and Engineering, 224: 211614. https://doi.org/10.1016/j.geoen.2023.211614 Preprint
  16. Yu, H. and Leung, J.Y. (2023). Numerical pore-scale simulation of propane injection for heavy oil displacement processes, International Journal of Multiphase Flow, 159: 104319. https://doi.org/10.1016/j.ijmultiphaseflow.2022.104319 Preprint
  17. Mayo Molina, I. and Leung, J.Y. (2023) Optimization of the steam alternating solvent process using Pareto-based multi-objective evolutionary algorithms, Journal of Energy Resources Technology, Transactions of the ASME, 145(3): 033202. https://doi.org/10.1115/1.4055292
  18. Hunyinbo, S., Azom, P., Ben-Zvi, A., and Leung, J.Y. (2023). A machine learning approach to real-time uncertainty assessment of SAGD forecasts. SPE Journal, 28(1): 342-354. https://doi.org/10.2118/208962-PA
  19. Mayo Molina, I., Ma, Z., and Leung, J.Y. (2022). Design of optimal operational parameters for steam-alternating-solvent processes in heterogeneous reservoirs – A multi-objective optimization approach, Computational Geosciences, 26, 1503–1535. https://doi.org/10.1007/s10596-022-10170-6 Preprint
  20. Chen, J., Xu, Z., and Leung, J.Y. (2022). Analysis of fracture interference – Coupling of flow and geomechanical computations with discrete fracture modeling using MRST, Journal of Petroleum Science and Engineering, 219: 111134. https://doi.org/10.1016/j.petrol.2022.111134 Preprint
  21. Izadi, H., Roostaei, M., Hosseini, S.A., Soroush, M., Mahmoudi, M., Devere-Bennett, N., Leung, J.Y., and Fattahpour, V. (2022). A hybrid GBPSO algorithm for permeability estimation using particle size distribution and porosity, Journal of Petroleum Science and Engineering, 217: 110944.  https://doi.org/10.1016/j.petrol.2022.110944 Preprint
  22. Ke, S., Liu, H., Leung, J.Y., Yang, M., Wang, J., Li, X., Kang, Z., and Zhang, Y. (2022). Investigation on water-drive performance of a fault-karst carbonate reservoir under different well patterns and injection-production modes based on 2D visualized physical models, Journal of Petroleum Science and Engineering, 218: 110925. https://doi.org/10.1016/j.petrol.2022.110925
  23. Ma, Z., Coimbra Paniagua, L.E., and Leung, J.Y. (2022). Design of steam alternating solvent process operational parameters considering shale heterogeneity, SPE Production & Operations, 37(4): 586-602. https://doi.org/10.2118/210557-PA
  24. Xu, Z. and Leung, J.Y. (2022). Analyzing the impacts of meshing and grid alignment in dual-porosity dual-permeability upscaling. SPE Reservoir Evaluation & Engineering, 25(1): 61-80. https://doi.org/10.2118/208573-PA
  25. Wang, W., Wang, Z., Leung, J. Y., Kong, C., and Jiang, Q. (2021). Petrophysical rock typing based on deep learning network and hierarchical clustering for volcanic reservoirs. Journal of Petroleum Science and Engineering, 110017. https://doi.org/10.1016/j.petrol.2021.110017
  26. Andriianova, E. and Leung, J.Y. (2021). A statistical upscaling workflow for warm solvent injection processes for heterogeneous heavy oil reservoirs, Natural Resources Research, 30: 4417-4437. https://doi.org/10.1007/s11053-021-09921-6 Preprint
  27. Ma, Z. and Leung, J.Y. (2021). Efficient tracking and estimation of solvent chamber development during warm solvent injection in heterogeneous reservoirs via machine learning, Journal of Petroleum Science and Engineering, 109089. https://doi.org/10.1016/j.petrol.2021.109089 Preprint
  28. Nwabia, F. and Leung, J.Y. (2021). Probabilistic history matching of multi-scale fractured reservoirs: Integration of a novel localization scheme based on rate transient analysis, Journal of Natural Gas Science and Engineering, 104067. https://doi.org/10.1016/j.jngse.2021.104067 Preprint
  29. Zhang, X., Lin, M., Okodi A., Tan L., Leung J.Y., Adeeb, S. (2021). Numerical analysis of API 5L X42 and X52 vintage pipes with cracks in corrosion defects using extended finite element method. Journal of Pressure Vessel Technology, 143(6): 061302. https://doi.org/10.1115/1.4050988
  30. Hunyinbo, S., Ma, Z., and Leung J.Y. (2021). Incorporating phase behavior constraints in multi-objective optimization of warm vaporized solvent injection process, Journal of Petroleum Science and Engineering, 108949. https://doi.org/10.1016/j.petrol.2021.108949  Preprint
  31. Chen, T. and Leung, J.Y. (2021). Numerical simulation of nonequilibrium foamy oil for cyclic solvent injection in reservoirs after cold heavy oil production with sand. SPE Reservoir Evaluation & Engineering, 24(3): 675–691. https://doi.org/10.2118/205504-PA
  32. Chang, G. and Leung, J.Y. (2021). Techniques for fast screening of 3D heterogeneous shale barrier configurations and their impacts on SAGD chamber development. SPE Journal, 26(4): 2114–2138. https://doi.org/10.2118/199906-PA
  33. Zheng, J., Leung, J.Y., Sawatzky, R.P., Alvarez, J.M. (2021). A cluster-based approach for visualizing and categorizing the impacts of shale barrier configurations on SAGD production. Journal of Petroleum Science and Engineering 203: 108664. https://doi.org/10.1016/j.petrol.2021.108664 Preprint
  34. Chen, Y., Jiang, C., Leung, J.Y., Wojtanowicz, A.K., Zhang, D., and Zhong, C. (2021). Second-order correction of Klinkenberg equation and its experimental verification on gas shale with respect to anisotropic stress. Journal of Natural Gas Science and Engineering 89:103880. https://doi.org/10.1016/j.jngse.2021.103880 
  35. Nwabia, F. and Leung, J.Y. (2021). Inference of hydraulically fractured reservoir properties from production data using the indicator-based probability perturbation assisted history-matching method, Journal of Petroleum Science and Engineering 198:108240. https://doi.org/10.1016/j.petrol.2020.108240 Preprint
  36. Liu, Y., Liu, L., Leung, J.Y., Wu, K., and Moridis, G.J. (2021). Coupled flow and geomechanics modeling of inter-fracture water injection to enhance oil recovery in tight reservoirs. SPE Journal 26(1): 1–21. https://doi.org/10.2118/199983-PA
  37. Chen, Y., Jiang, C., Leung, J. Y., Wojtanowicz, A. K., & Zhang, D. (2021). Multiscale characterization of shale pore-fracture system: Geological controls on gas transport and pore size classification in shale reservoirs. Journal of Petroleum Science and Engineering, 108442. https://doi.org/10.1016/j.petrol.2021.108442
  38. Chen, T., Leung, J.Y., Bryan, J.L., and Kantzas, A. (2020). Analysis of non-equilibrium foamy oil flow in cyclic solvent injection processes, Journal of Petroleum Science and Engineering 195: 107857.  https://doi.org/10.1016/j.petrol.2020.107857 Preprint
  39. Chen Y., Jiang, C., Leung, J.Y., Wojtanowicz, A.K., and Zhang, D. (2020). Gas slippage in anisotropically-stressed shale: An experimental study, Journal of Petroleum Science and Engineering, 195: 107620. https://doi.org/10.1016/j.petrol.2020.107620
  40. Yu, H. and Leung J.Y. (2020). A sand arch stability constrained dynamic fractal wormhole growth model for simulating cold heavy oil production with sand. SPE Journal, 25(6): 3440–3456. https://doi.org/10.2118/193893-PA
  41. Hamoud, M., Chalaturnyk, R., and Leung, J. (2020). Experimental studies of shear-induced changes in two-phase relative permeability, Arabian Journal of Geosciences 13(14):1-22. https://doi.org/10.1007/s12517-020-05495-4
  42. Zhong, C. and Leung J.Y. (2020). Numerical investigation of water retention in secondary fractures and apparent permeability modeling in shale gas production. Journal of Petroleum Science and Engineering 192: 107294. https://doi.org/10.1016/j.petrol.2020.107294 Preprint
  43. Ma, Z. and Leung, J.Y. (2020). Design of warm solvent injection processes for heterogeneous heavy oil reservoirs: a hybrid workflow of multi-objective optimization and proxy models. Journal of Petroleum Science and Engineering 191: 107186. https://doi.org/10.1016/j.petrol.2020.107186 Preprint
  44. Zhong, C. and Leung J.Y. (2020). Numerical analysis of the impacts of apparent permeability modeling and secondary fracture distribution for hydraulic-fractured shale gas production analysis. SPE Reservoir Evaluation & Engineering 23(4): 1233-1250. https://doi.org/10.2118/201201-PA
  45. Liu, Y., Liu, L., Leung, J.Y., Moridis, G.J. (2020). Sequentially coupled flow and geomechanical simulation with a discrete fracture model for analyzing fracturing fluid recovery and distribution in fractured ultra-low permeability gas reservoirs. Journal of Petroleum Science and Engineering 189: 107042. https://doi.org/10.1016/j.petrol.2020.107042
  46. Ma, Z. and Leung, J.Y. (2020). Integration of deep learning and data analytics for SAGD temperature and production analysis. Computational Geosciences 24:1239–1255. https://doi.org/10.1007/s10596-020-09940-x Preprint
  47. Ma, Z. and Leung, J.Y. (2020). Knowledge-based heterogeneity characterization framework for 3D steam-assisted gravity drainage reservoirs. Knowledge-Based Systems 192: 10537. https://doi.org/10.1016/j.knosys.2019.105327 Preprint
  48. Ma, Z. and Leung, J.Y. (2019). Integration of data-driven modeling techniques for lean zone and shale barrier characterization in SAGD reservoirs. Journal of Petroleum Science and Engineering 176: 716-734. https://doi.org/10.1016/j.petrol.2019.01.106 Preprint
  49. Martinez Gamboa, J.J. and Leung, J.Y. (2019). Design of field-scale cyclic solvent injection processes for post-CHOPS applications. Canadian Journal of Chemical Engineering 97: 123-132. https://doi.org/10.1002/cjce.23261 Preprint
  50. Liu, Y., Leung, J.Y., Chalaturnyk, R., and Virues, C.J.J. (2019). New insights on mechanisms controlling fracturing fluid distribution and its impacts on well performance in shale gas reservoirs. SPE Production & Operations 34(3): 564-585. https://doi.org/10.2118/185043-PA
  51. Rezvandehy, M., Leung, J.Y., Ren, W., Hollands, B., and Pan, G. (2019). An improved workflow for permeability estimation from image logs with uncertainty quantification. Natural Resources Research 28(3): 777–811. https://doi.org/10.1007/s11053-018-9418-z
  52. Vishal, V. and Leung, J.Y. (2018). A novel framework for integration of random-walk particle-tracking simulation in subsurface multi-phase flow modeling. Transport in Porous Media 125(3): 609-631. https://doi.org/10.1007/s11242-018-1142-y Preprint
  53. Zheng, J., Leung, J.Y., Sawatzky, R.P., and Alvarez, J.M. (2018). A proxy model for predicting SAGD production from reservoirs containing shale barriers. Journal of Energy Resources Technology, Transactions of the ASME 140(12): 122903. https://doi.org/10.1115/1.4041089
  54. Wang, X., Chalaturnyk, R., Huang, H., and Leung, J. (2018) Experimental study on geomechanical dilation of oil sands during cold-water injection. SPE Reservoir Evaluation & Engineering 21(2): 433-444. https://doi.org/10.2118/174453-PA
  55. Liu, Y. Leung, J.Y., and Chalaturnyk. R. (2018). Geomechanical simulation of partially-propped fracture closure and its implication on water flowback and gas production. SPE Reservoir Evaluation & Engineering 21(2): 273-290 (selected to appear as a spotlight paper on Unconventional Resources). https://doi.org/10.2118/189454-PA
  56. Zheng, J., Leung, J.Y., Sawatzky, R.P., and Alvarez, J.M. (2018). An AI-based workflow for estimating shale barrier configurations from SAGD production histories. Neural Computing and Applications. https://doi.org/10.1007/s00521-018-3365-9
  57. Vishal, V. and Leung, J.Y. (2018). Statistical scale-up of 3D particle-tracking simulation for non-Fickian dispersive solute transport modeling. Stochastic Environmental Research and Risk Assessment 32(7): 2075-2091. https://doi.org/10.1007/s00477-017-1501-1 Preprint
  58. Ma, Z., Leung, J.Y., and Zanon, S.D. (2018). Integration of artificial intelligence and production data analysis for shale heterogeneity characterization in SAGD reservoirs. Journal of Petroleum Science and Engineering 163: 139-155. https://doi.org/10.1016/j.petrol.2017.12.046 Preprint
  59. Wang, C., Ma, Z., Leung, J.Y., and Zanon, S. (2018). Correlating stochastically-distributed reservoir heterogeneities with steam-assisted gravity drainage production. Oil & Gas Science and Technology – Revue d'IFP Energies nouvelles 73(9):1-14. https://doi.org/10.2516/ogst/2017042
  60. Vishal, V., Leung, J.Y. (2017). A multi-scale particle-tracking framework for dispersive solute transport modeling. Computational Geosciences 22(2): 485–503. https://doi.org/10.1007/s10596-017-9706-4 Preprint
  61. Vishal, V., Leung, J.Y. (2017). Statistical framework for scale-up of dispersivity in multi-scale heterogeneous media. Environmental Earth Sciences 76:624. https://doi.org/10.1007/s12665-017-6962-5 Preprint
  62. Ma, Z., Leung, J.Y., and Zanon, S.D. (2017). Practical data mining and artificial neural network modeling for SAGD production analysis. Journal of Energy Resources Technology, Transactions of the ASME 139(3): 03290. https://doi.org/10.1115/1.4035751
  63. Nejadi, S., Trivedi, J.J., Leung, J. (2017). History matching and uncertainty quantification of discrete fracture network models in fractured reservoirs. Journal of Petroleum Science and Engineering 152: 21–32. https://doi.org/10.1016/j.petrol.2017.01.048 Preprint
  64. Leung, J.Y. and Srinivasan S. (2016). Effects of reservoir heterogeneity on scaling of effective mass transfer coefficient for solute transport. Journal of Contaminant Hydrology 192: 181-193. https://doi.org/10.1016/j.jconhyd.2016.07.007 Preprint
  65. Wang, M. and Leung, J.Y. (2016). Numerical investigation of coupling multiphase flow and geomechanical effects on water loss during hydraulic fracturing flow-back operation. SPE Reservoir Evaluation & Engineering 19(3): 520-537. https://doi.org/10.2118/178618-PA
  66. Yue, M., Leung, J.Y., and Dehghanpour, H. (2016). Numerical investigation of limitations and assumptions of analytical transient flow models in tight oil reservoirs. Journal of Natural Gas Science and Engineering 30: 471-486.  https://doi.org/10.1016/j.jngse.2016.01.042 Preprint
  67. Li, Z., Wei, C., Leung, J., Wang, Y., and Song H. (2015). Numerical and experimental study on gas flow in nanoporous media. Journal of Natural Gas Science and Engineering 27(2): 738-744. https://doi.org/10.1016/j.jngse.2015.09.014
  68. Vishal, V. and Leung, J.Y. (2015). Modeling impacts of subscale heterogeneities on dispersive solute transport in subsurface systems. Journal of Contaminant Hydrology 182: 63-77. https://doi.org/10.1016/j.jconhyd.2015.08.006 Preprint
  69. Nejadi, S., Leung, J.Y., Trivedi, J.J., and Virues, C. (2015). Integrated characterization of hydraulically fractured shale gas reservoirs – production history matching. SPE Reservoir Evaluation & Engineering 18(4): 482-494. https://doi.org/10.2118/171664-PA
  70. Ma, Z., Leung, J.Y., Zanon, S., and Dzurman, P. (2015). Practical implementation of knowledge-based approaches for steam-assisted gravity drainage production analysis. Expert Systems with Applications 42(21): 7326-7343. https://doi.org/10.1016/j.eswa.2015.05.047 Preprint
  71. Wang, M. and Leung, J.Y. (2015). Numerical investigation of fluid-loss mechanisms during hydraulic fracturing flow-back operations in tight reservoirs. Journal of Petroleum Science and Engineering 133: 85-102. https://doi.org/10.1016/j.petrol.2015.05.013 Preprint
  72. Wang, C. and Leung, J.Y. (2015). Characterizing the effects of lean zones and shale distribution in steam-assisted-gravity-drainage recovery performance. SPE Reservoir Evaluation & Engineering 18(3): 329-345. https://doi.org/10.2118/170101-PA
  73. Al-Gosayir, M., Babadagli, T., Leung, J., and Al-Bahlani, A. (2015). In-situ recovery of heavy-oil from fractured carbonate reservoirs: optimization of steam-over-solvent injection method. Journal of Petroleum Science and Engineering 130: 77-85. https://doi.org/10.1016/j.petrol.2015.03.011
  74. Song, Z., Song, H., Cao, Y., Killough, J., Leung, J., Huang G., and Gao, S. (2015). Numerical research on CO2 storage efficiency in saline aquifer with low-velocity non-Darcy Flow. Journal of Natural Gas Science and Engineering 23:338-345. https://doi.org/10.1016/j.jngse.2015.02.013
  75. Song, H., Cao Y., Yu, M., Wang, Y., Killough, J.E., and Leung, J. (2015). Impact of permeability heterogeneity on production characteristics in water-bearing tight gas reservoirs with threshold pressure gradient. Journal of Natural Gas Science and Engineering 22: 172-181. https://doi.org/10.1016/j.jngse.2014.11.028
  76. Nejadi, S., Leung, J., and Trivedi, J. (2015). Characterization of non-Gaussian geologic facies distribution using ensemble Kalman filter with probability weighted re-sampling. Mathematical Geosciences 47:193-225.  https://doi.org/10.1007/s11004-014-9548-8 Preprint
  77. Nejadi, S., Trivedi, J., and Leung, J.Y. (2015). Estimation of facies boundaries using categorical indicators with p-field simulation and ensemble Kalman filter (EnKF), Natural Resources Research 24(2): 121-138. https://doi.org/10.1007/s11053-014-9233-0
  78. Amirian, E., Leung, J.Y., Zanon, S.D., and Dzurmann, P.J. (2015). Integrated cluster analysis and artificial neural network modeling for steam-assisted gravity drainage performance prediction in heterogeneous reservoirs. Expert Systems with Applications 42(2): 723-740. https://doi.org/10.1016/j.eswa.2014.08.034 Preprint
  79. Leung, J.Y. (2014). Scale-up of effective mass transfer in vapor extraction process accounting for field-scale reservoir heterogeneities. Journal of Canadian Petroleum Technology, 53(5): 275-289. https://doi.org/10.2118/153862-PA
  80. Shi, J., Vishal, V., and Leung, J.Y. (2014). Uncertainty assessment of vapex performance in heterogeneous reservoirs using a semi-analytical proxy model. Journal of Petroleum Science and Engineering 122: 290-303. https://doi.org/10.1016/j.petrol.2014.07.022 Preprint
  81. Shi, J. and Leung, J.Y. (2014). Semi-analytical proxy for vapex process modeling in heterogeneous reservoirs. Journal of Energy Resources Technology, Transactions of the ASME 136(3), 032904. https://doi.org/10.1115/1.4027571
  82. Shi, J. and Leung, J.Y. (2014). Physics-based proxy modeling of solvent transport in VAPEX process. Canadian Journal of Chemical Engineering 92(8): 1467-1480. https://doi.org/10.1002/cjce.21992
  83. Al-Gosayir, M., Leung, J., Babadagli, T, and Al-Bahlani, A (2013). Optimization of SOS-FR (Steam-Over-Solvent Injection in Fractured Reservoirs) method using hybrid techniques: testing cyclic injection case. Journal of Petroleum Science and Engineering 110: 74–84. https://doi.org/10.1016/j.petrol.2013.08.036 Preprint
  84. Al-Gosayir, M., Leung, J., and Babadagli, T. (2012). Design of solvent-assisted SAGD processes in heterogeneous reservoirs using hybrid optimization techniques. Journal of Canadian Petroleum Technology, 51(6): 437-448. https://doi.org/10.2118/149010-PA
  85. Al-Gosayir, M., Babadagli, T., and Leung, J. (2012). Optimization of SAGD and solvent additive SAGD applications: Comparative analysis of optimization techniques with improved algorithm configuration. Journal of Petroleum Science and Engineering 98-99: 61–68. https://doi.org/10.1016/j.petrol.2012.09.008
  86. Leung, J.Y. and Srinivasan, S. (2012). Scale-up of mass transfer and recovery performance in heterogeneous reservoirs. Journal of Petroleum Science and Engineering 86-87: 71–86. https://doi.org/10.1016/j.petrol.2012.03.010 Preprint
  87. Leung, J.Y. and Srinivasan, S. (2011). Analysis of uncertainty introduced by scaleup of reservoir attributes and flow response in heterogeneous reservoirs. SPE Journal 16 (3): 713-724. https://doi.org/10.2118/145678-PA
     

 

Full-Paper Refereed Conference Proceedings

  1.  Zhang, X., Yoosef-Ghodsi, N., Kainat, M., Leung, J.Y., Adeeb, S. (2024). Comparative study of crack shape on the ductile fracture response of cracked pipelines, Proceedings of the ASME 2024 Pressure Vessels & Piping Conference (PVP), Bellevue, Washington, USA, July 29-Aug 2.
  2. Zhang, X., Lin, M., Kainat, M., Yoosef-Ghodsi, N., Leung, J.Y., and Adeeb, S. (2022) Influence strain hardening model on the CorLASTM model for cracked pipelines. Proceedings of the 2022 14th International Pipeline Conference. Volume 2: Pipeline and
    Facilities Integrity. Calgary, Alberta, Canada.Sep 26-30.
  3. Zhong, C. and Leung J.Y. (2022). Simulation of downhole temperature distribution in fractured shale gas wells by incorporating geomechanics and apparent permeability modeling. Unconventional Resources Technology Conference (URTeC), Houston, TX, USA, Jun 20-22.
  4. Zhang, G. and Leung J.Y. (2022). Numerical simulation of geochemical effects on flowback analysis and enhanced oil recovery strategies. Unconventional Resources Technology Conference (URTeC), Houston, TX, USA, Jun 20-22.
  5. Zhang, X., Zheng, Q., Leung, J.Y., and Adeeb, S. (2022). Reliability-based assessment of cracked pipelines using Monte Carlo simulation technique with CorLASTM. ASME Pressure Vessels & Piping Conference (PVP), Las Vegas, NV, USA, Jul 17-22.
  6. Nwabia, N. and Leung, J.Y. (2021). Incorporating the variability of uncertain DFN model parameters of a hydraulically fractured reservoir during probability-based assisted history matching: Findings and deductions. Discrete Fracture Network Engineering (DFNE) Session at Virtual American Rock Mechanics Association Symposium (ARMA 2021), June 25, 2021.
  7.  Chen, Y., Leung, J.Y., Jiang, C., and Wojtanowicz, A.K. (2021). Real gas effect on gas slippage phenomenon in shale. ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2021), virtual meeting, June 21–July 2.
  8. Chen, Y., Jiang, C., Leung, J.Y., Wojtanowicz, A.K., Zhang, D. and Zhong, C. (2020). Klinkenberg-corrected permeability evolution of gas shale with respect to heterogeneous stress. ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2020), June 28-July 3, 2020, Fort Lauderdale, FL, USA.
  9. Zhang, X., Okodi, A., Tan, L., Leung, J., and Adeeb, S. (2020). Failure pressure prediction of cracks in corrosion defects using XFEM. International Pipeline Conference (IPC), Calgary, Canada, Sept 28-Oct 2.
  10. Izadi, H., Fattahpour, V., Roostaei, M., Mahmoudi, M., Leung, J., and Devere-Bennett, J. (2020). Hybrid intelligent algorithm for permeability estimation based on particle size distribution and porosity data. Geoconvention, Calgary, Canada, Sept 21-23.
  11.  Chen, J. and Leung, J.Y. (2020). Analysis of fracture interference – Coupling of flow and geomechanical computations with discrete fracture modeling. Unconventional Resources Technology Conference (URTeC), Austin, TX, USA, Jul 20-22.
  12.  Liu, Y., Liu, L., Leung, J.Y., Wu, K., and Moridis, G.J. (2020). Numerical investigation of water flowback characteristics for unconventional gas reservoirs with complex fracture geometries. Unconventional Resources Technology Conference (URTeC), Austin, TX, USA, Jul 20-22. 
  13. Zhang, X., Okodi, A., Tan, L., Leung, J., and Adeeb, S. (2020). Failure pressure prediction of crack in corrosion defects in 2D by Using XFEM. SME Pressure Vessels & Piping Conference (PVP), Minneapolis, MN, USA, July 19-24.
  14. Zhong, C. and Leung J.Y. (2019). Numerical investigation of water blockage in secondary fractures and apparent permeability modeling in shale gas production. Unconventional Resources Technology Conference (URTeC), Denver, CO, USA, Jul 22-24.
  15. Vishal, V. and Leung, J.Y. (2016). Statistical scale-up of dispersive transport in heterogeneous reservoir. In Gomez-Hernandez et al. (Eds.), Geostatistics Valencia 2016 (pp. 733-743). Springer International Publishing.
  16. Wang, M. and Leung, J. (2014). Investigating the mechanisms and time-scale of imbibition during hydraulic fracturing flow-back operation in tight reservoirs. Proceedings of International Discrete Fracture Network Engineering Conference, Vancouver, Canada, Oct 19-22.
  17. Nejadi, S., Trivedi, J., and Leung, J. (2014). History matching and uncertainty quantification of fractured reservoirs by updating DFN parameters using data assimilation workflow. Proceedings of International Discrete Fracture Network Engineering Conference, Vancouver, Canada, Oct 19-22.
  18. Vishal, V. and Leung, J.Y. (2014). Statistical scale-up of reservoir properties and dispersivities in heterogeneous reservoirs. In N. Janardhana Raju (Ed.), Proceedings of International Association of Mathematical Geology 2014 Conference, New Delhi, India, Oct 17-20.
  19. Nejadi, S., Trivedi, J., and Leung, J. (2012). Ensemble Kalman filter predictor bias correction method for non-Gaussian geological facies detection. Proceedings of IFAC Workshop Automatic Control of Offshore Oil and Gas Production, Trondheim, Norway, May 31-June 1.
  20. Hamoud, M., Chalaturnyk, R.J., and Leung, J. (2012). Influences of geomechanic processes on relative permeability. Proceedings of the 21st Canadian Rock Mechanics Symposium, Edmonton, Alberta, Canada, May 5-9.
  21. Leung, J.Y. and Srinivasan, S. (2008). Analysis of uncertainty introduced by scale-up of log-derived porosity in carbonate settings. In J. Ortiz & X. Emery (Ed.), Proceedings of Eighth International Geostatistics Congress, Vol. 2 (pp. 1059-1064). Santiago, Chile: Gecamin.
  22. Leung, J.Y. and Srinivasan, S. (2008). Direct transfer of uncertainty in reservoir models – application to uncertainty estimation due to sub-scale variance. In J. Ortiz & X. Emery (Ed.), Proceedings of Eighth International Geostatistics Congress, Vol. 2 (pp. 1065-1070). Santiago, Chile: Gecamin.
  23. Leung, J.Y. and Srinivasan, S. (2005). Direct assessment of uncertainty using stochastic flow simulation. In O. Leuangthong & C.V. Deutsch (Ed.), Geostatistics Banff 2004, Vol. 2 (pp. 631-641). Netherlands: Springer.
     


Abstract Refereed Conference Proceedings

  1. Zhong, C., Chen, J., Leung, J.Y., van der Baan, M. (2024). Modelling of production and fiber optic data for analyzing inter-well interactions in fractured shale gas reservoir. Paper 218066 presented at the SPE Canadian Energy Technology Conference and Exhibition, Calgary, Alberta, Canada, March 13-14.
  2.  Izadi, H., Roostaei, M., Mahmoudi, M., Stevenson, J., Tuttle, A., Bustamante, G., Rhein, S., Sutton, C., Mirzavand, R., Leung, J.Y., Fattahpour, V. (2023). Flow control device and liner floatation: Key technology driver in extreme extended reach shallow steam assisted gravity drainage wells. Paper 217423 presented at the SPE Thermal Well Integrity and Production Symposium, Banff, Alberta, Canada, Nov 27-30.
  3. Xu, Z., Leung, J.Y. (2023). Shale gas production forecasting with well interference based on spatial-temporal graph convolutional network. Paper 215056 presented at the SPE Annual Technical Conference and Exhibition, San Antonio, Texas, USA, October 16-18.
  4. Ma, Z., Yuan, Q., Xu, Z., Leung, J.Y. (2023). A recurrent neural network-based solvent chamber estimation framework during warm solvent injection in heterogeneous reservoirs. Paper 214984 presented at the SPE Annual Technical Conference and Exhibition, San Antonio, Texas, USA, October 16-18.
  5. Chen, J., Leung, J.Y., and van der Baan, M. (2023). Characterization of distributed acoustic sensing signals in hydraulic fracturing stimulation - A coupled flow-geomechanical simulation approach. Paper 212734 presented at the SPE Canadian Energy Technology Conference and Exhibition, Calgary, Alberta, Canada, March 15-16.
  6. Bian, J.Y., Leung, J.Y., Volkmer, N., and Zheng, J. (2023). An improved workflow in mass balance approach for estimating regional methane emission rate using satellite measurements. Paper SPE 212791 presented at the SPE Canadian Energy Technology Conference and Exhibition, Calgary, Alberta, Canada, March 15-16.
  7. Izadi, H., Roostaaei, M., Mahmoudi, M, Rosi, G., Stevenson, J., Tuttle, A., Sutton, C., Mirzavand, R., Leung, J.Y., Fattahpour, V. (2023). Unsupervised PSD clustering to assess reservoir quality along the horizontal wells: An efficient inflow control devices design. Paper 212812 presented at the SPE Canadian Energy Technology Conference and Exhibition, Calgary, Alberta, Canada, March 15-16.
  8. Izadi, H., Roostaaei, M., Mahmoudi, M, Rosi, G., Stevenson, J., Tuttle, A., Sutton, C., Leung, J.Y., Fattahpour, V. (2022). Data-driven decision-making strategy for thermal well completion. SPE Paper 212152 presented at the Thermal Well Integrity and Production Symposium, Banff, Nov 29-Dec 1.
  9. Hunyinbo, S., Azom, P., Ben-Zvi, A., and Leung, J.Y. (2022). A machine learning approach to real-time uncertainty assessment of SAGD forecasts and the optimization of steam allocation. SPE Paper 208962 presented at the Canadian Energy Technology Conference, Calgary, Mar 16-17.
  10.  Izadi, H., Roostaei, M., Mahmoudi, M., Leung, J.Y., and Fattahpour, V. (2022). The impact of increase in lateral length on production performance of horizontal thermal wells. SPE Paper 208977 presented at the Canadian Energy Technology Conference, Calgary, Mar 16-17.
  11. Izadi, H., Leung, J.Y., Hosseini, S., Soroush, M., Roostaei, M., Mahmoudi, M., Stevenson, J., Tuttle, A., Sutton, C., and Fattahpour, V., Rosi, G. (2021). Data-driven well pad development performance review: Focus on the role of line design on well performance. SPE Paper 208446 presented at the Thermal Well Integrity and Design Symposium, Banff, Nov 29-30.
  12. Mayo Molina, I., Leung, J.Y. (2021). Design of optimal operational parameters for steam-alternating-solvent processes in heterogeneous reservoirs – A multi-objective optimization approach. SPE Paper 205120 presented at the SPE Europec featured at 82nd EAGE Conference and Exhibition, virtual meeting, June 14-17.
  13. Izadi, H., Roostaei, M., Soroush, M., Hosseini, S., Mohammadtabar M., Mahmoudi, M., Leung, J., Fattahpour, V. (2021). An intelligent system for multi-label classification based on particle size and shape features using a cascade approach. SPE Paper 200949 presented at the Trinidad and Tobago Section Energy Resources Conference, virtual meeting, June 28-30.
  14. Soroush, M., Mahmoudi, M., Roostaei, M., Izadi, H., Leung, J., Fattahpour, V. (2020). Challenges from well shut-in amid the oil downturn: Long term impacts on near wellbore skin buildup and sand control. SPE Paper 203854 presented at the Thermal Well Integrity and Design Symposium, virtual meeting, Nov 30-Dec 3.  
  15. Ma, Z. and Leung, J.Y. (2020). Efficient tracking of solvent chamber development during warm solvent injection in heterogeneous reservoirs via machine learning. SPE Paper 199917 presented at the Canada Heavy Oil Conference, Calgary, Canada, March 18-19.
  16.  Gao, C. and Leung, J.Y. (2020). Techniques for fast screening of 3D heterogeneous shale barrier configurations and their impacts on SAGD production behavior. SPE Paper 199906 presented at the Canada Heavy Oil Conference, Calgary, Canada, March 18-19.
  17. Nwabia, F. and Leung, J.Y. (2020). Probabilistic history matching of multi-scale fractured reservoirs: Integration of a novel localization scheme based on rate transient analysis. SPE Paper 199988 presented at the Canada Unconventional Resources Conference, Calgary, Canada, March 18-19.
  18. Liu, Y., Liu, L., Leung, J.Y., Wu, K., and Moridis, G.J. (2020). Coupled flow and geomechanics modeling of inter-fracture water injection to enhance oil recovery in tight reservoirs. SPE Paper 199983 presented at the Canada Unconventional Resources Conference, Calgary, Canada, March 18-19.
  19. Hunyinbo, S., Ma, Z. and Leung J.Y. (2020). Incorporating phase behavior constraints in multi-objective optimization of warm vaporized solvent injection process. SPE Paper 198925 presented at the Latin America and Caribbean Petroleum Engineering Conference, Bogota, Colombia, March 17-19.
  20. Chen, T., Leung, J.Y., Bryan, J.L. and Kantzas, A. (2020). Analysis of non-equilibrium foamy oil flow in cyclic solvent injection processes. SPE Paper 198941 presented at the Latin America and Caribbean Petroleum Engineering Conference, Bogota, Colombia, March 17-19. (withdrawn due to COVID-19 travel restrictions)
  21. Coimbra Paniagua, L.E., Ma, Z. and Leung J.Y. (2020). Design Of steam alternating solvent process operational parameters considering shale heterogeneity, SPE Paper 199207 presented at the Latin America and Caribbean Petroleum Engineering Conference, Bogota, Colombia, March 17-19. (withdrawn due to COVID-19 travel restrictions)
  22. Gao, C., Ma, Z and Leung J.Y. (2019). A novel particle-tracking based proxy for capturing SAGD production features under reservoir heterogeneity. SPE Paper 195350 presented at the SPE Western Regional Meeting, San Jose, California, USA, April 23-26.
  23.  Coimbra Paniagua, L.E., Ma, Z. and Leung J.Y. (2019). Practical application of Pareto-based multi-objective optimization and proxy modeling for steam alternating solvent process design. SPE Paper 195247 presented at the SPE Western Regional Meeting, San Jose, California, USA, April 23-26.
  24. Ma, Z. and Leung, J.Y. (2019). Design of warm solvent injection processes for heterogeneous heavy oil reservoirs: a hybrid workflow of multi-objective optimization and proxy models. SPE Paper 193842 presented at the SPE Reservoir Simulation Conference, Galveston, Texas, USA, April 10-11.
  25. Ma, Z. and Leung, J.Y. (2019). Integration of deep learning and data analytics for SAGD temperature and production analysis. SPE Paper 193829 presented at the SPE Reservoir Simulation Conference, Galveston, Texas, USA, April 10-11.
  26. Yu, H. and Leung, J.Y. (2019). A geomechanically-constrained dynamic fractal wormhole growth model for simulating cold heavy oil production with sand simulation. SPE Paper 193893 presented at the SPE Reservoir Simulation Conference, Galveston, Texas, USA, April 10-11.
  27. Ma, Z. and Leung, J.Y. (2018). Integration of data-driven models for characterizing shale barrier configuration in 3D heterogeneous reservoirs for SAGD operations. SPE Paper 189735 presented at the SPE Canada Heavy Oil Technical Conference, Calgary, Canada, Mar 13-14.
  28. Zheng, J., Leung, J.Y., Sawatzky, R.P., and Alvarez, J.M. (2018).  A cluster-based approach for visualizing and quantifying the uncertainty in the impacts of uncertain shale barrier configurations on SAGD production. SPE Paper 189753 presented at the SPE Canada Heavy Oil Technical Conference, Calgary, Canada, Mar 13-14.
  29. Martinez, J.J. and Leung, J.Y. (2017). A Practical approach for scale-up of solvent transport mechanisms in post-CHOPS EOR applications. SPE Paper 185516 presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, Buenos Aires, Argentina, May 17-19.
  30. Zheng, J., Leung, J.Y., Sawatzky, R.P., and Alvarez, J.M. (2017). An AI-based workflow for estimating shale barrier configurations from SAGD production histories. SPE Paper 184984 presented at the SPE Canada Heavy Oil Technical Conference, Calgary, Canada, Feb 15-16.
  31. Liu, Y., Leung, J.Y., Chalaturnyk, R., and Virues, C.J.J. (2017). Fracturing fluid distribution in shale gas reservoirs due to fracture closure, proppant distribution and gravity segregation. SPE Paper 185043 presented at the SPE Canada Unconventional Resources Conference, Calgary, Canada, Feb 15-16.
  32. Ma, Z., Leung, J.Y., and Zanon, S.D. (2016). Integration of artificial intelligence and production data analysis for shale heterogeneity characterization in SAGD reservoirs. SPE Paper 180716 presented at the SPE Canada Heavy Oil Technical Conference, Calgary, Canada, Jun 7-9.
  33. Zheng, J., Leung, J.Y., Sawatzky, R.P., and Alvarez, J.M. (2016). A proxy model for predicting SAGD production from reservoirs containing shale barriers. SPE Paper 180715 presented at the SPE Canada Heavy Oil Technical Conference, Calgary, Canada, Jun 7-9.
  34. Wang, M. and Leung, J.Y. (2015). Numerical investigation of coupling multiphase flow and geomechanical effects on water loss during hydraulic fracturing flow back operation. Unconventional Resources Technology Conference, San Antonio, TX, USA, Jul 20-21.
  35. Wang, X., Chalaturnyk, R., Huang, H., and Leung, J. (2015). Permeability variations associated with various stress state during pore pressure injection. 49th US Rock Mechanics and Geomechanics Symposium, San Francisco, CA, USA, Jun 28 – Jul 1.
  36. Wang, X., Chalaturnyk, R., Huang, H., and Leung, J. (2015). Experimental study on geomechanical dilation during injection. SPE Paper 174453 presented at the SPE Canada Heavy Oil Conference, Calgary, Canada, Jun 9-11.
  37. Ma, Z., Liu, Y., Leung, J.Y., and Zanon, S.D. (2015). Practical data mining and artificial neural network modeling for SAGD production analysis. SPE Paper 174460 presented at the SPE Canada Heavy Oil Conference, Calgary, Canada, Jun 9-11.
  38. Nejadi, S., Leung, J.Y., Trivedi, J.J., and Virues, C.J.J. (2014). Integrated characterization of hydraulically fractured shale gas reservoirs production history matching. SPE Paper 171664 presented at the SPE/CSUR Unconventional Resources Conference – Canada, Calgary, Canada, Sep 30-Oct 2.
  39. Amirian, E., Leung, J.Y., Zanon, S.D., and Dzurmann, P.J. (2014). An integrated application of cluster analysis and artificial neural networks for SAGD recovery performance prediction in heterogeneous reservoirs. SPE Paper 170113 presented at the SPE Heavy Oil Conference Canada, Calgary, Canada, Jun 10-12.
  40. Ma, Z., Leung, J.Y., Zanon, S.D., and Dzurmann, P.J. (2014). Practical implementation of knowledge-based approaches for SAGD production analysis. SPE Paper 170144 presented at the SPE Heavy Oil Conference Canada, Calgary, Canada, Jun 10-12.
  41. Wang, C. and Leung, J.Y. (2014). Characterizing the effects of lean zones and shale distribution in SAGD recovery performance. SPE Paper 170101 presented at the SPE Heavy Oil Conference Canada, Calgary, Canada, Jun 10-12.
  42. Yue, M., Leung, J., and Dehghanpour, H. (2013). Integration of numerical simulations for uncertainty analysis of transient flow responses in heterogeneous tight reservoirs. SPE Paper 167174 presented at the SPE Unconventional Resources Conference – Canada, Calgary, Canada, Nov 5-7.
  43. Shi, J. and Leung, J.Y. (2013). Physics-based proxy for vapex process modeling in heterogeneous reservoirs. SPE Paper 165558 presented at the SPE Heavy Oil Conference Canada, Calgary, Canada, Jun 11-13.
  44. Amirian, E., Leung, J.Y, Zanon, S., and Dzurmann, P. (2013). Data-driven modeling approach for recovery performance prediction in SAGD operations. SPE Paper 165557 presented at the SPE Heavy Oil Conference Canada, Calgary, Canada, Jun 11-13.
  45. Al-Gosayir, M., Babadagli, T., Leung, J., and Al-Bahlani, A. (2013). Design of SOS-FR (Steam-Over-Solvent Injection in Fractured Reservoirs) method for heavy-oil recovery using hybrid optimization framework. SPE Paper 164306 presented at the 18th Middle East Oil & Gas Show and Conference (MEOS), Manama, Bahrain, Mar 10-13.
  46. Nejadi, S., Leung, J., and Trivedi, J.J. (2012). Integration of production data for estimation of natural fracture properties in tight gas reservoirs using Ensemble Kalman filter. SPE Paper 162783 presented at the 2012 SPE Canadian Unconventional Resources Conference, Calgary, Canada, Oct 30-Nov 1.
  47. Leung, J.Y. (2012). Scale-up of effective mass transfer in vapor extraction process for heterogeneous reservoirs. SPE Paper 153862 presented at the 2012 SPE Improved Oil Recovery Symposium, Tulsa, Oklahoma, USA, Apr 15-18.
  48. Ojagbohunmi, S., Chalaturnyk, R.J., and Leung, J. (2012). Coupling of stress-dependent relative permeability and reservoir simulation. SPE Paper 154083 presented at the 2012 SPE Improved Oil Recovery Symposium, Tulsa, Oklahoma, USA, Apr 15-18.
  49. Nejadi, S., Trivedi, J.J., and Leung, J. (2012). Estimation of geological facies boundaries using categorical indicators with p-field simulation and ensemble Kalman filter (EnKF). SPE Paper 153645 presented at the 2012 SPE Latin American and Caribbean Petroleum Engineering Conference (LACPEC), Mexico City, Mexico, Apr 16-18.
  50. Al-Gosayir, M., Leung, J., and Babadagli, T. (2011). Design of solvent-assisted SAGD processes in heterogeneous reservoirs using hybrid optimization techniques. SPE Paper 149010 presented at the Canadian Unconventional Resources Conference, Calgary, Alberta, Canada, Nov 15-17.
  51. Al-Gosayir, M., Babadagli, T., and Leung, J. (2011). Optimization of solvent additive SAGD applications using hybrid optimization techniques. SPE Paper 144963 presented at the SPE Enhanced Oil Recovery Conference, Kuala Lumpur, Malaysia, Jul 19-21.
  52. Nejadi, S., Trivedi, J., and Leung, J. (2011). Improving characterization and history matching using entropy weight ensemble Kalman filter for non-Gaussian distributions. SPE Paper 144578 presented at the SPE Western North American Regional Meeting, Anchorage, Alaska, USA, May 7-11.
  53. Leung, J.Y., Srinivasan, S., and Huh, C. (2010). Accounting for heterogeneity in scale-up of apparent polymer viscosity for field scale application. SPE Paper 129798 presented at the 2010 SPE Improved Oil Recovery Symposium, Tulsa, Oklahoma, USA, Apr 24–28.
  54. Leung, J.Y. and Srinivasan, S. (2009). Scale-up of hydrocarbons recovery processes in heterogeneous reservoirs. International Association of Mathematical Geology Annual Meeting, Stanford, California, USA, Aug 23-28.
  55. Sharma, A., Leung, J., Srinivasan, S., and Kim, Y. (2008). An integrated approach to reservoir uncertainty assessment: Case study of a Gulf of Mexico reservoir. SPE Paper 116351 presented at the 2008 SPE Annual Technical Conference and Exhibition, Denver, Colorado, USA, Sep 21-24.
     

    Invited Short Courses
  56. Leung, J.Y. (2013). "Unconventional Reservoir Characterization and Development”, a 2-day short course invited by the China Alberta Petroleum Centre (CAPC) for approximately 50 attendees (engineers, geoscientists and managers), Beijing, China, Jul 15-16, 2013.
     
     
    Invited Presentations
 
  1. Leung, J.Y. (2022). “AI in Engineering”, EnggTalk #6, Technical Panel Presentation, April 28, 2022.
  2. Leung, J.Y. (2022). “Ethics and Politics of Energy Systems”, Energy Systems Webinar (Panel Discussion), Mar 8.
  3. Leung, J.Y. (2022). “The future of oil and gas in the age of decarbonization”, The North American Energy Dialogue Webinar (Panel Discussion), hosted by University of Alberta, University of Texas at Austin and Tecnológico de Monterrey. Mar 3 (>800 registered participants).
  4. Leung, J.Y. (2022). “Energy systems pathways: How does energy get to you?”, Energy Systems Webinar (Panel Discussion), Jan 27.
  5. Leung, J.Y. (2021). “Integrating data-driven models for SAGD and solvent-based process analysis” – SPE Calgary Section – Data Science and Engineering Analytics Virtual Luncheon (Webinar), April 8.
  6. Leung, J.Y. (2020). Energy Talks Online – "Solvents: An enabling technology for cleaner heavy oil production" – a public lecture series co-hosted by Edmonton Public Library and Future Energy Systems, Oct 28.
  7. Leung, J.Y. (2020). Canadian Heavy Oil Association (CHOA) Technical Panel Presentation – "How can data analytics be used to design solvent-assisted processes?" Virtual Workshop, May 26.    
  8. Leung, J.Y. (2020). International Women’s Day Celebration – "Women in STEM: Are We There Yet?" STEM Sisters (Edmonton), Canada, Mar 5.
  9. Leung, J.Y. (2017). Production forecast using microseismic events as a constraint. Microseismic Industry Consortium 8th Annual Sponsors Meeting, Calgary, Canada, Nov 15.
  10. Ma, Z. and Leung, J.Y. (2017). Integration of data-driven models for inference of shale barrier and lean zone configurations in thermal recovery processes. 7th International Symposium on Energy, Manchester, England, Aug 13-17.
  11. Leung, J.Y. (2016). Modeling of solvent dispersion in post-CHOPS processes. Petroleum Technology Research Centre (PTRC) Technical Advisory Group Meeting, Calgary, Canada, Nov 22.
  12. Leung, J.Y. (2016). Integration of data-driven approaches for SAGD production analysis of inference of shale barrier configuration. ConocoPhillips Internal Meeting, Calgary, Canada, Oct 3.
  13. Leung, J.Y. (2015). Scale-up of dispersivity in post-CHOPS solvent injection processes. Petroleum Technology Research Centre (PTRC) Technical Advisory Group Meeting, Calgary, Canada, Nov 24.
  14. Leung, J.Y. (2013). Modeling of solvent transport in vapex process using a physics-based proxy. Petroleum Technology Research Centre (PTRC) Technical Advisory Group Meeting, Calgary, Canada, Jun 17.
  15. Leung, J.Y. (2013). Integration of production data for estimation of natural fracture properties in tight reservoirs using ensemble Kalman filter. Reserves Estimation Unconventional, Calgary, Canada, Jun 6.
  16. Leung, J.Y. (2012). Physics-based proxy modeling of solvent transport in vapex process. Petroleum Technology Research Centre (PTRC) Technical Advisory Group Meeting, Calgary, Canada, Dec 3.
  17. Leung, J.Y. (2011). Careers in engineering/science. WISEST Summer Research Program Networking Fair – Panel Discussion, University of Alberta, Edmonton, Canada, July 18.
  18. Leung, J.Y. (2011). Reservoir engineering research. UA International Winter Program, University of Alberta, Edmonton, Canada, Jan 26.
  19. Leung, J.Y. (2010). Intro to petroleum engineering. DiscoverE GEM (Girls, Engineering, and Mentorship) Club Meeting, University of Alberta, Edmonton, Canada, Nov 13, 27.
  20. Leung, J.Y. (2010). Ccomputational challenges in numerical reservoir simulation. IBM Research Visit, University of Alberta, Edmonton, Canada, Jun 7.
  21. Leung, J.Y. (2010). Reservoir engineering research. Petrotech Industry Educational Visit, University of Alberta, Edmonton, Canada, Jul 29.
     
    Interviews
 
  1.  “Come Meet an Energy STEMinist” (Day 4), WISEST UAlberta, Sept 21, 2023. (link)
  2.  “Helping Workers: Artificial Intelligence Supports Better, Safer Energy Sector Operations” by Carter Haydu, Daily Oil Bulletin, October 11, 2023. (https://www.dailyoilbulletin.com/article/2023/10/11/helping-workers-artificial-intelligence-supports-b/)
  3. Ask an Energy Expert (YouTube) series by the Future Energy Systems (2021)
    1. "What happens when an oil well runs out of oil?"
    2. "What is shale gas and how does it differ from oil sands?"
  4. "Solutions for Oil Wells and Society", feature story of the July 2020 newsletter by Future Energy Systems (https://www.futureenergysystems.ca/news/post/solutions-for-oil-wells-and-society).
  5.  "Making a Difference: Women in Academia", Journal of Petroleum Technology, July 29, 2019. (https://jpt.spe.org/making-difference-women-academia)
  6. "Technological difficulties in oil sands development in Alberta", ienergy, Nov 1, 2015. N7. "Development of unconventional resources", China National Petroleum Corporation News (http://news.cnpc.com.cn), Jul 23, 2013.
     


Supervised Student Theses

 * Theses are available from the Education and Research Archive maintained by the University of Alberta


PhD Theses

  1. 2024 - Xinfang Zhang - Novel Artificial Neural Network Model for Predicting Failure Pressure of Thin-Walled Pipes Containing Axially-oriented Surface Cracking Subjected to Internal Pressure (co-supervised with S. Adeeb)
  2. 2024 - Haisheng Yu - Pore-Scale Modeling for Interphase Mass Transfer during the VAPEX Process
  3. 2024 - Elena Andriianova - Statistical Upscaling Workflow for Warm Solvent Injection Processes
  4. 2024 - Hossein Izadi - Inflow and Outflow Rate Control in SAGD Wells: An Integrated Approach of Data-Driven and Physical Analysis
  5. 2024 - Ganxing Zhang - Integrating Salinity of Flowback Fluid and Flow Data for Fracture Characterization and Production Forecast in Unconventional Reservoirs
  6. 2024 - Yadong Qin - A Robust Model for Integration of Sand-Arch Stability and Fractal Wormhole Network in CHOPS and post-CHOPS Process Simulation
  7. 2023 - Jiahui Chen - Development and Application of Hydraulic Fracturing Simulation for Analysis of Fracture Interference and Distributed Acoustic Sensing Characterization
  8. 2022 - Francis Nwabia - Novel Probabilistic-based Framework for Improved History Matching of Shale Gas Reservoirs
  9. 2019 - Xinkui Wang - Evaluation of Geomechanical Dilation and Its Effects on SAGD Performance (co-supervised with R. Chalaturnyk)
  10. 2019 - Jingwen Zheng - Data-Driven Approaches to Estimate the Impact and Preence of Shale Barriers in SAGD Reservoirs
  11. 2018 - Zhiwei Ma - Practical Integration of Data-Driven Models for Production Analysis and Inference of Reservoir Heterogeneities in SAGD Operations
  12. 2017 - Vikrant Vishal - Analyzing Scaling Characteristics of Transport Properties Using Particle-Tracking Based Techniques
  13. 2014 - Nejadi, Siavash - History Matching and Characterization of Unconventional Reservoirs using Ensemble Kalman Filter (co-supervised with J. Trivedi)

 

Master of Science (MSc) Theses

  1. 2023 - Bian, Jeffrey - Integrating Data Analytics and Mass Balance Approaches to Estimate and Understand Regional Methane Emissions: A Study in the Permian Basin
  2. 2021 - Mayo Molina, Israel - Multi-Objective Optimization of the Steam Alternating Solvent (SAS) Process Using Pareto-based Multi-Objective Evolutionary Algorithms
  3. 2021 - Xu, Ziming - Analyzing the Impacts of Discretization and Meshing in Numerical Simulation of Unconventional Reservoirs
  4. 2021 - Hunyinbo, Seyide - Application of data-driven techniques to SAGD and solvent-aided methods
  5. 2020 - Zhang, Xinfang - Failure pressure prediction of cracks in corrosion defects in pipelines using eXtended finite element method (co-supervised with S. Adeeb)
  6. 2020 - Gao, Chang - Techniques for Fast Screening of 3D Heterogeneous Shale Barrier Configurations and Their Impacts on SAGD Production Behavior
  7. 2020 - Coimbra Paniagua, Luis Eduardo - A Multi-Objective Optimization Workflow for Steam-Alternating-Solvent Heavy Oil Recovery Process Design
  8. 2019 - Chen, Tong - Analysis of non-equilibrium foamy oil behavior in pressure depletion processes
  9. 2019 - Zhong, Chuanyao - Numerical Simulation of Shale Gas Production and Fracturing Fluid Distribution: Integration of Apparent Permeability and Secondary Fracture Network Modeling
  10. 2018- Yu, Haisheng - A Geomechanically-Constrained Dynamic Fractal Wormhole Growth Model for Simulating Cold Heavy Oil Production with Sand (CHOPS)
  11. 2017 - Martinez Gamboa, Juan Jose - Scale-up of Solvent Injection Processes in Post-CHOPS Applications             
  12. 2017 - Liu, Yongzan - Modeling of Recovery and In-Situ Distribution of Fracturing Fluid in Shale Gas Reservoirs Due to Fracture Closure, Proppant Distribution and Gravity Segregation (co-supervised with R. Chalaturnyk)
  13. 2016 - Yue, Min - Numerical Investigation of Transient Flow Responses in Fractured Tight Oil Wells (co-supervised with H. Dehghanpour)
  14. 2016 - Wang, Mingyuan - Numerical Investigation of Water Loss Mechanisms During Hydraulic Fracturing Flow-Back Operation in Tight Oil Reservoirs
  15. 2015 - Wang, Cui - Characterizing the Impacts of Shale Barriers and Lean Zones on SAGD Performance with Data-Driven Modeling Techniques
  16. 2014 - Amirian, Ehsan - Data-Driven Proxy Modeling during SAGD Operations in Heterogeneous Reservoir
  17. 2014 - Shi, Jindong - Semi-Analytical Proxy for Vapex Process Modeling
  18. 2013 - Abdallah, Kais Ben - Steam Assisted Gravity Drainage (SAGD): Influence of Geomechanical Processes on Absolute Permeability (co-supervised with R. Chalaturnyk)
  19. 2012 - Hamoud, Mohammed - Influence of Geomechanical Processes on Relative Permeability (co-supervised with R. Chalaturnyk)
  20. 2012 - Ojagbohunmi, Samuel - Coupling of Stress Dependent Relative Permeability and Reservoir Simulation (co-supervised with R. Chalaturnyk)
  21. 2012 - Algosayir, Muhammad - Optimization of Steam/Solvent Injection Methods: Application of Hybrid Techniques with Improved Algorithm Configuration (co-supervised with T. Babadagli)