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Purswani, P., R. T. Johns, and Z. Karpyn, (2024). Relationship Between Residual Saturations and Wettability Using Pore-network Modeling, SPE Journal (Society of Petroleum Engineers (U.S.) : 1996), v. 29 (4), pp. 2004-2013.
Purswani, P., R. T. Johns, and Z. T. Karpyn, (2024). Impact of wettability on capillary phase trapping using pore-network modeling, Advances in Water Resources, v. 184, pp. 104606.
Chakraborty, N., X. Lou, K. Enab, and Z. Karpyn, (2022). Measurement of In-situ Fluid Density in Shales with Sub-Resolution Porosity Using X-Ray Microtomography, Transport in Porous Media, pp. 1-21, https://doi.org/10.1007/s11242-021-01738-4.
Lou, X., N. Chakraborty, and Z. Karpyn, (2022). “Experimental Investigation of Shale Rock Properties Altering in-situ Gas Density and Storage Capacity,” Frontiers in Earth, April 2022. https://doi.org/10.3389/feart.2022.877551
Tawfik, M. S., A. S. Adishesha, Y. Hsi, P. Porswani, R. T. Johns, P. Shokouhi, X. Huang, and Z. Karpyn, (2022). Comparative Study of Traditional and Deep-Learning Denoising Approaches for Image-Based Petrophysical Characterization of Porous Media, Frontiers in Water, v. 3, [800369], doi: 10.3389/frwa.
Lou, X., N. Chakraborty, Z. T. Karpyn, L. F Ayala H., N. Nagarajan, and Z. Wijaya, (2021). Experimental study of gas/liquid diffusion in porous rocks and bulk fluids to investigate the effect of rock-matrix hindrance, SPE Journal, v. 26 (3), pp. 1174-1188, https://doi.org/10.2118/195941-PA.
Magzymov, D., P. Purswani, Z. T. Karpyn, and R. T. Johns, (2021). Modeling the Effect of Reaction Kinetics and Dispersion during Low-Salinity Waterflooding, SPE Journal, v. 26 (05), pp. 3075-3093.
Niu, F., Z. Karpyn, and M. S. Tawfik, (2021). Experimental Investigation of Pressure Dependence of Contact Angle Measurement in CO2/Brine Systems, American Geophysical Union Proceedings, Fall Meeting 2020, pp. H018-03.
Purswani, P., R. T. Johns, and Z. T. Karpyn, (2021). Relationship between Residual Saturations and Wettability using Pore-Network Modeling, SPE Annual Technical Conference and Exhibition, Dubai, UAE, September 2021, https://doi.org/10.2118/206379-MS.
Purswani, P., R. T. Johns, Z. T. Karpyn, and M. Blunt, (2021). Predictive modeling of relative permeability using a generalized equation of state, SPE Journal, v. 26 (01), pp. 191-205.
Purswani, P., Y. Hsi, F. Niu, X. Huang, Z. Karpyn, and P. Shokouhi, (2021). Comparison of Supervised Machine Learning Image Segmentation Algorithms for Petrophysical Characterization of a Saturated Porous Medium, AGU Fall Meeting 2021.
Zhang, M., N. Chakraborty, Z. T. Karpyn, H. Emami-Meybodi, and L. F. Ayala H., (2021). Experimental and numerical study of gas diffusion and sorption kinetics in ultratight rocks, Fuel, v. 286, part 2, [119300], https://doi.org/10.1016/j.fuel.2020.119300.
Zhou, S., D. Liu, Z. T. Karpyn, Y. Cai, and Y. Yao, (2021). Dual Compressibility Characteristics of Lignite, Subbituminous, and High-Volatile Bituminous Coals: A New Insight into Permeability, Transport in Porous Media, v. 136 (1), pp. 295-317, https://doi.org/10.1007/s11242-020-01512-y.
Chakraborty, N., Z. Karpyn, Shimin Liu, H. Yoon, and T. Dewers, (2020). Experimental evidence of gas densification and enhanced storage in nanoporous shales, Journal of Natural Gas Science and Engineering, v. 76, paper 103120.
Purswani, P., Z. T. Karpyn, K. Enab, Y. Xue, and X. Huang, 2020). “Evaluation of Image Segmentation Techniques for Image-Based Rock Property Estimation,” Journal of Petroleum Science and Engineering, v. 195, pp. 166-172.
Tawfik, M. S., Z. T. Karpyn, and R. T. Johns, (2020). Effect of oil chemistry on the performance of low salinity waterflooding: An integrated experimental approach, Proceedings - SPE Annual Technical Conference and Exhibition, v. 2020-October, [ SPE-201670-MS ].
Xiong, B., P. Purswani, T. Pawilk, L. Samineni, Z. T. Karpyn, A. L. Zyndney, and M. Kumar, (2020). Mechanical degradation of polyacrylamide at ultra high deformation rates during hydraulic fracturing, Environmental Science: Water Research & Technology, v. 6 (1), pp. 166-172.
Liu, Shimin, R. Zhang, Z. Karpyn, Y. Hongkyu, and T. Dewers, (2019). Investigation of Accessible Pore Structure Evolution under Pressurization and Adsorption for Coal and Shale Using Small-Angle Neutron Scattering, Energy & Fuels, v. 33, pp. 837-847.
Lou, X. N. Chakraborty, Z. Karpyn, L. F. Ayala H., N. Nagarajan, and Z. Wijaya, (2019). Experimental study of gas-liquid diffusion in porous rocks and bulk fluids to investigate the effect of rock matrix hindrance, Proceedings - SPE Annual Technical Conference and Exhibition, v. 2019-September, https://doi.org/10.2118/195941-ms.
Magzymov, D., P. Purswani, Z. Karpyn, and R. T. Johns, (2019). Modeling the Effect of Reaction Kinetics and Dispersion during Low-Salinity Waterflooding, SPE Reservoir Simulation Conference, [SPE-193909-MS], doi.org/10.2118/193909-MS.

Purswani, P., and Z. T. Karpyn, (2019). Laboratory investigation of chemical mechanisms driving oil recovery from oil-wet carbonate rocks, Fuel, v. 235, pp. 406-415, ISSN 0016-2361, https://doi.org/10.1016/j.fuel.2018.07.078.
Purswani, P., M. Tawfik, Z. Karpyn, and R. T. Johns, (2019). On the Development of a Relative Permeability Equation of State, Computational Geosciences, v. 24, pp. 807–818.
Zhang, M., N. Chakraborty, Z. Karpyn, H. Emami-Meybodi, and L. F. Ayala H., (2019). Numerical and experimental analysis of diffusion and sorption kinetics effects in Marcellus shale gas transport, Society of Petroleum Engineers - SPE Reservoir Simulation Conference 2019, [SPE-193843-MS], https://doi.org/10.2118/193843-ms.
Dewers, T., J. Heath, H. Yoon, M. Ingraham, J. Grigg, P. Mozley, and Z. T. Karpyn, (2018). Part I-3, Pore-to-Core Characterization of Shale Multiphysics, in Geological Carbon Storage: Subsurface Seals and Caprock Integrity, American Geophysical Union, 384 pages.
Zhou, S., D. Liu, Y. Cai, Z.T. Karpyn, and Y. Yao, (2018). Comparative analysis of nanopore structure and its effect on methane adsorption capacity of Southern Junggar coalfield coals by gas adsorption and FIB-SEM tomography, Microporous and Mesoporous Materials, v. 272, pp. 117-128.
Zhou, S., D. Liu, Y. Cai, Z.T. Karpyn, and Y. Yao, (2018). Petrographic Controls on Pore and Fissure Characteristics of Coals from the Southern Junggar Coalfield, Northwest China, Energies, v. 11 (6), [1556].
Abdelmalek, B., Z. Karpyn, Shimin Liu, H. Yoon, and T. Dewers, T., (2017). Gas permeability measurements from pressure-pulse decay laboratory data using Pseudo- pressure and Pseudo-time transformations, Journal of Petroleum Exploration and Production Technology.
Abdelmalek, B., Z. T. Karpyn, Shimin Liu, H. Yoon, and T. Dewers, (2017). Gas permeability measurements from pressure pulse decay laboratory data using pseudo-pressure and pseudo-time transformations, Journal of Petroleum Exploration and Production Technology, v. 7, pp 1–9.
Chakraborty, N., Z. T. Karpyn, Shimin Liu, and H. Yoon, (2017 February). Permeability evolution of shale during spontaneous imbibition, Journal of Natural Gas Science and Engineering, v. 38, pp. 590-596, ISSN 1875-5100.
Purswani, P., M. S. Tawfik, and Z. T. Karpyn, (2017). Factors and mechanisms governing wettability alteration by chemically tuned waterflooding: A review, Energy & Fuels, v. 31 (8), pp. 7734-7745.
Brunet, J.-P., L. Li, Z. Karpyn, and N. Huerta, (2016 April). Fracture opening or self-sealing: Critical residence time as a unifying parameter for cement–CO2–brine interactions, International Journal of Greenhouse Gas Control, v. 47, pp. 25-37.
Cao, P., Z. T. Karpyn, and L. Li, (2016 February). The role of host rock properties in determining potential CO2 migration pathways, International Journal of Greenhouse Gas Control, v. 45, pp. 18-26.
Torrealba, V. A., Z. T. Karpyn, H. Yoon, K. A. Klise, and D. Crandall, (2016). "Pore-scale investigation on stress-dependent characteristics of granular packs and the impact of pore deformation on fluid distribution," Geofluids, v. 16, pp. 198-207, DOI: 10.1111/gfl.12143.
Aksu, I., E. Bazilevskaya, and Z. T. Karpyn, (2015). "Swelling of clay minerals in unconsolidated porous media and its impact on permeability," GeoResJ, v.7, pp. 1–13.
Alexis, D. A., Z. T. Karpyn, T. Ertekin, and D. Crandall, (2015 February 21). Fracture permeability and relative permeability of coal and their dependence on stress conditions, Journal of Unconventional Oil and Gas Resources, ISSN 2213-3976, http://dx.doi.org/10.1016/j.juogr.2015.02.001.
Cao, P., Z. T. Karpyn, and L. Li, (2015). Self‐healing of cement fractures under dynamic flow of CO2‐rich brine. Water Resources Research, v.51(6), pp. 4684-4701.
Li, X., M. Akbarabadi, Z. T. Karpyn, M. Piri, and E. Bazilevskaya, (2015). Experimental investigation of carbon dioxide trapping due to capillary retention in saline aquifers, Geofluids, v. 15, pp. 563-576, doi: 10.1111/gfl.12127.
Thararoop, P., Z. T. Karpyn, and T. Ertekin, (2015). A production type-curve solution for coalbed methane reservoirs, Journal of Unconventional Oil and Gas Resources, v. 9, pp. 136-152.
Yan, Q., C. Lemanski, Z. T. Karpyn, and L. F. Ayala H., (2015). "Experimental investigation of shale gas production impairment due to fracturing fluid migration during shut-in time," Journal of Natural Gas Science and Engineering, v. 24, pp. 99-105.
Cao, P., Z. T. Karpyn, and L. Li, (2014). Self-healing of cement fractures under dynamic flow of CO2-rich brine. Water Resources Research (submitted).
Celauro, J. G., V. A. Torrealba, Z. T. Karpyn, K. A. Klise, and S. A. Mckenna, (2014). Pore-scale multiphase flow experiments in bead packs of variable wettability, Geofluids, v. 14, pp. 95-105.
Dutta, R., C-H. Lee, S. Odumabo, P. Ye, S. C. Walker, Z. T. Karpyn, and L. F. Ayala H., (2014). Morphological comparison of the craniofacial phenotypes of mouse models expressing the Apert FGFR2 S252W mutation in neural crest-or mesoderm-derived tissues, Bone, v. 63, 101.
Dutta, R., C.-H. Lee, S. Odumabo, P. Ye, S. C. Walker, Z. T. Karpyn, and L. F. Ayala H., (2014). Experimental Investigation of Fracturing Fluid Migration due to Spontaneous Imbibition in Fractured Low Permeability Sands, Society of Petroleum Engineering Reservoir Evaluation & Engineering Journal, v. 17 (1).
Landry, C. J., Z. T. Karpyn, and O. Ayala, (2014). Pore-scale Lattice Boltzmann Modeling and 4D X-ray Computed Microtomography Imaging of Fracture-Matrix Fluid Transfer, Transport in Porous Media, v. 103, pp. 449-468.
Brunet, J. L., L. Li, Z. T. Karpyn, B. G. Kutchko, B. Strazisar, and G. Bromhal, (2013). Dynamic evolution of compositional and transport properties under conditions relevant to geological carbon sequestration. Energy & Fuels, v. 27 (8), pp 4208–4220. DOI: 10.1021/ef302023v.
Cao, P. L., Z. T. Karpyn, and L. Li, (2013). Dynamic alterations in wellbore cement integrity due to geochemical reactions in CO2-rich environments. Water Resources Research, v. 49, pp. 4465-4475.
Cao, P. L., Z. T. Karpyn, and L. Li, (2013). Dynamic changes in wellbore cement integrity due to geochemical reactions in CO2-rich environments. Water Resources Research, v. 49 (1).
Cao, P., Z. T. Karpyn, and L. Li, (2013). Dynamic changes in wellbore cement integrity due to geochemical reactions in CO2-rich environments. Water Resources Research, v. 49(7), pp. 4465-4475. DOI: 10.1002/wrcr.20340.
Dutta, R., C-H. Lee, S. Odumabo, P. Ye, S. C. Walker, Z. T. Karpyn, and L. F. Ayala H., (2012). Quantification of fracturing fluid migration due to spontaneous imbibition in fractured tight formations, Society of Petroleum Engineers.
Landry, C. J., and Z. T. Karpyn, (2012). Single-Phase lattice Boltzmann simulations of pore-scale flow in fractured permeable media, International Journal of Oil, Gas, and Coal Technology, v. 5, pp. 182-206.