Zobrazeno 1 - 10 of 97 pro vyhledávání: '"Tokunaga, TK"'
1
Impacts of Mixed‐Wettability on Brine Drainage and Supercritical CO2 Storage Efficiency in a 2.5‐D Heterogeneous Micromodel
Autor: Chang, C, Kneafsey, TJ, Wan, J, Tokunaga, TK, Nakagawa, S
Publikováno v: Water Resources Research, vol 56, iss 7
Geological carbon storage (GCS) involves unstable drainage processes, the formation of patterns in a morphologically unstable interface between two fluids in a porous medium during drainage. The unstable drainage processes affect CO2 storage efficien
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::2ab22ad613b0bfd8046662e85cafb0b6
https://escholarship.org/uc/item/17k2k38k
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2
Simplified Green-Ampt Model, Imbibition-Based Estimates of Permeability, and Implications for Leak-off in Hydraulic Fracturing
Autor: Tokunaga, TK
Publikováno v: Water Resources Research, vol 56, iss 4
Predicting water imbibition into porous materials is important in a wide variety of fields, and hydraulic fracturing of low permeability hydrocarbon reservoirs has emerged as an application that is imposing a large water footprint. Reliable predictio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______325::4d8c2901305cb3a098568b5e10ad5873
https://escholarship.org/uc/item/363047q1
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3
Depth- and Time-Resolved Distributions of Snowmelt-Driven Hillslope Subsurface Flow and Transport and Their Contributions to Surface Waters
Autor: Tokunaga, TK, Wan, J, Williams, KH, Brown, W, Henderson, A, Kim, Y, Tran, AP, Conrad, ME, Bill, M, Carroll, RWH, Dong, W, Xu, Z, Lavy, A, Gilbert, B, Carrero, S, Christensen, JN, Faybishenko, B, Arora, B, Siirila-Woodburn, ER, Versteeg, R, Raberg, JH, Peterson, JE, Hubbard, SS
Publikováno v: Water Resources Research, vol 55, iss 11
Major components of hydrologic and elemental cycles reside underground, where their complex dynamics and linkages to surface waters are obscure. We delineated seasonal subsurface flow and transport dynamics along a hillslope in the Rocky Mountains (U
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https://escholarship.org/uc/item/5d9349k6
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4
Methane Diffusion and Adsorption in Shale Rocks: A Numerical Study Using the Dusty Gas Model in TOUGH2/EOS7C-ECBM
Autor: Shen, W, Zheng, L, Oldenburg, CM, Cihan, A, Wan, J, Tokunaga, TK
Publikováno v: Transport in Porous Media, vol 123, iss 3
Shen, W; Zheng, L; Oldenburg, CM; Cihan, A; Wan, J; & Tokunaga, TK. (2018). Methane Diffusion and Adsorption in Shale Rocks: A Numerical Study Using the Dusty Gas Model in TOUGH2/EOS7C-ECBM. Transport in Porous Media, 123(3), 521-531. doi: 10.1007/s11242-017-0985-y. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/1gq434q2
© 2017, Springer Science+Business Media B.V., part of Springer Nature. Gas production from shale gas reservoirs plays a significant role in satisfying increasing energy demands. Compared with conventional sandstone and carbonate reservoirs, shale ga
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::13ceac84c2b9b8f7e57056fc9aad9582
https://escholarship.org/uc/item/1gq434q2
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5
Dilution destabilizes engineered ligand-coated nanoparticles in aqueous suspensions
Autor: Wan, J, Kim, Y, Mulvihill, MJ, Tokunaga, TK
Publikováno v: Environmental toxicology and chemistry, vol 37, iss 5
Wan, J; Kim, Y; Mulvihill, MJ; & Tokunaga, TK. (2018). Dilution destabilizes engineered ligand-coated nanoparticles in aqueous suspensions. Environmental Toxicology and Chemistry, 37(5), 1301-1308. doi: 10.1002/etc.4103. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/2pb8n34j
© 2018 SETAC It is commonly true that a diluted colloidal suspension is more stable over time than a concentrated one because dilution reduces collision rates of the particles and therefore delays the formation of aggregates. However, this generaliz
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https://escholarship.org/uc/item/2pb8n34j
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6
Supercritical CO2uptake by nonswelling phyllosilicates
Autor: Wan, J, Tokunaga, TK, Ashby, PD, Kim, Y, Voltolini, M, Gilbert, B, DePaolo, DJ
Publikováno v: Wan, J; Tokunaga, TK; Ashby, PD; Kim, Y; Voltolini, M; Gilbert, B; et al.(2018). Supercritical CO2uptake by nonswelling phyllosilicates. Proceedings of the National Academy of Sciences of the United States of America, 115(5), 873-878. doi: 10.1073/pnas.1710853114. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/27s2g5x2
Interactions between supercritical (sc) CO2and minerals are important when CO2is injected into geologic formations for storage and as working fluids for enhanced oil recovery, hydraulic fracturing, and geothermal energy extraction. It has previously
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http://www.escholarship.org/uc/item/27s2g5x2
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7
Wettability impact on supercritical CO2capillary trapping: Pore-scale visualization and quantification
Autor: Hu, R, Wan, J, Kim, Y, Tokunaga, TK
Publikováno v: Hu, R; Wan, J; Kim, Y; & Tokunaga, TK. (2017). Wettability impact on supercritical CO2capillary trapping: Pore-scale visualization and quantification. Water Resources Research, 53(8), 6377-6394. doi: 10.1002/2017WR020721. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/4x04b1ft
© 2017. American Geophysical Union. All Rights Reserved. How the wettability of pore surfaces affects supercritical (sc) CO2capillary trapping in geologic carbon sequestration (GCS) is not well understood, and available evidence appears inconsistent
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http://www.escholarship.org/uc/item/4x04b1ft
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8
Wettability effects on supercritical CO2–brine immiscible displacement during drainage: Pore-scale observation and 3D simulation
Autor: Hu, R, Wan, J, Kim, Y, Tokunaga, TK
Wettability is an important factor controlling the displacement of immiscible fluids in porous media and therefore affects the flow and transport of supercritical (sc) CO2 in geologic carbon sequestration. Because few studies have focused on the wett
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::63ca315a89b33d24e4a02f30bf985aff
https://escholarship.org/uc/item/5mn7c2rh
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9
Capillary pressure-saturation relations in quartz and carbonate sands: Limitations for correlating capillary and wettability influences on air, oil, and supercritical CO2trapping
Autor: Wang, S, Tokunaga, TK, Wan, J, Dong, W, Kim, Y
Publikováno v: Wang, S; Tokunaga, TK; Wan, J; Dong, W; & Kim, Y. (2016). Capillary pressure-saturation relations in quartz and carbonate sands: Limitations for correlating capillary and wettability influences on air, oil, and supercritical CO2trapping. Water Resources Research, 52(8), 6671-6690. doi: 10.1002/2016WR018816. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/9dx134nt
© 2016. American Geophysical Union. All Rights Reserved. Capillary pressure (Pc)-saturation (Sw) relations are essential for predicting equilibrium and flow of immiscible fluid pairs in soils and deeper geologic formations. In systems that are diffi
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http://www.escholarship.org/uc/item/9dx134nt
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10
Erratum: Capillary Pressure-Saturation Relations for Supercritical CO2 and Brine in Limestone/Dolomite Sands: Implications for Geologic Carbon Sequestration in Carbonate Reservoirs (Environ. Sci. Technol. (2015) 49:12 (7208-7217) DOI: 10.1021/acs.est.5b00826)
Autor: Wang, S, Tokunaga, TK
Publikováno v: Wang, S; & Tokunaga, TK. (2015). Erratum: Capillary Pressure-Saturation Relations for Supercritical CO2 and Brine in Limestone/Dolomite Sands: Implications for Geologic Carbon Sequestration in Carbonate Reservoirs (Environ. Sci. Technol. (2015) 49:12 (7208-7217) DOI: 10.1021/acs.est.5b00826). Environmental Science and Technology, 49(22), 13734-13735. doi: 10.1021/acs.est.5b05187. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/62g7v41b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______325::618beb98ad148640bbedc74872c9a4f6
http://www.escholarship.org/uc/item/62g7v41b
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