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Ryosuke Okuno, Ph.D. - Publications

Affiliations: 
2009 Petroleum Engineering University of Texas at Austin, Austin, Texas, U.S.A. 
Area:
Petroleum Engineering
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53 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Sheng K, Argüelles-Vivas FJ, Baek KH, Okuno R. An Experimental Study of Emulsion Flow in Alkaline/Solvent Coinjection with Steam for Heavy-Oil/Bitumen Recovery Spe Reservoir Evaluation & Engineering. 23: 402-413. DOI: 10.2118/190224-Pa  0.387
2020 Wang M, Baek KH, Abeykoon GA, Argüelles-Vivas FJ, Okuno R. Comparative Study of Ketone and Surfactant for Enhancement of Water Imbibition in Fractured Porous Media Energy & Fuels. 34: 5159-5167. DOI: 10.1021/Acs.Energyfuels.9B03571  0.384
2020 Neshat SS, Okuno R, Pope GA. Simulation of solvent treatments for fluid blockage removal in tight formations using coupled three-phase flash and capillary pressure models Journal of Petroleum Science and Engineering. 195: 107442. DOI: 10.1016/J.Petrol.2020.107442  0.501
2020 Argüelles-Vivas FJ, Wang M, Abeykoon GA, Okuno R. Oil recovery from fractured porous media with/without initial water saturation by using 3-pentanone and its aqueous solution Fuel. 276: 118031. DOI: 10.1016/J.Fuel.2020.118031  0.424
2020 Achour SH, Okuno R. Phase stability analysis for tight porous media by minimization of the Helmholtz free energy Fluid Phase Equilibria. 520: 112648. DOI: 10.1016/J.Fluid.2020.112648  0.35
2019 Baek KH, Argüelles-Vivas FJ, Okuno R, Sheng K, Sharma H, Weerasooriya UP. An Experimental Study of Emulsion Phase Behavior and Viscosity for Athabasca Bitumen/Diethylamine/Brine Mixtures Spe Reservoir Evaluation & Engineering. 22: 628-641. DOI: 10.2118/189768-Pa  0.428
2019 Baek KH, Sheng K, Argüelles-Vivas FJ, Okuno R. Comparative Study of Oil-Dilution Capability of Dimethyl Ether and Hexane as Steam Additives for Steam-Assisted Gravity Drainage Spe Reservoir Evaluation & Engineering. 22: 1030-1048. DOI: 10.2118/187182-Pa  0.401
2019 Baek KH, Argüelles-Vivas FJ, Abeykoon GA, Okuno R, Weerasooriya UP. Application of Ultrashort Hydrophobe Surfactants with Cosolvent Characters for Heavy Oil Recovery Energy & Fuels. 33: 8241-8249. DOI: 10.1021/Acs.Energyfuels.9B01716  0.407
2019 Wang M, Abeykoon GA, Argüelles-Vivas FJ, Okuno R. Ketone solvent as a wettability modifier for improved oil recovery from oil-wet porous media Fuel. 258: 116195. DOI: 10.1016/J.Fuel.2019.116195  0.407
2019 Baek KH, Okuno R, Sharma H, Weerasooriya UP. Oil-in-water emulsification of Athabasca bitumen with pyrrolidine solution Fuel. 246: 425-442. DOI: 10.1016/J.Fuel.2019.02.123  0.369
2018 Neshat SS, Okuno R, Pope GA. A Rigorous Solution to the Problem of Phase Behavior in Unconventional Formations With High Capillary Pressure Spe Journal. 23: 1438-1451. DOI: 10.2118/187260-Pa  0.341
2018 Venkatramani AV, Okuno R. Steam-Oil Ratio in Steam-Solvent Coinjection Simulation for Homogeneous and Heterogeneous Bitumen Reservoirs Journal of Energy Resources Technology-Transactions of the Asme. 140: 112903. DOI: 10.1115/1.4040529  0.441
2018 Venkatramani AV, Okuno R. Mechanistic simulation study of expanding-solvent steam-assisted gravity drainage under reservoir heterogeneity Journal of Petroleum Science and Engineering. 169: 146-156. DOI: 10.1016/J.Petrol.2018.04.074  0.445
2018 Baek KH, Argüelles-Vivas FJ, Okuno R, Sheng K, Sharma H, Weerasooriya UP. Emulsification of Athabasca bitumen by organic alkali: Emulsion phase behavior and viscosity for bitumen/brine/triethylenetetramine Journal of Petroleum Science and Engineering. 168: 359-369. DOI: 10.1016/J.Petrol.2018.04.063  0.41
2018 Liu Y, Li HA, Okuno R. Phase behavior of N2/n-C4H10 in a partially confined space derived from shale sample Journal of Petroleum Science and Engineering. 160: 442-451. DOI: 10.1016/J.Petrol.2017.10.061  0.336
2018 Shi X, Okuno R. Analytical solution for steam-assisted gravity drainage with consideration of temperature variation along the edge of a steam chamber Fuel. 217: 262-274. DOI: 10.1016/J.Fuel.2017.12.110  0.339
2018 Jia W, Okuno R. Modeling of asphaltene and water associations in petroleum reservoir fluids using cubic‐plus‐association EOS Aiche Journal. 64: 3429-3442. DOI: 10.1002/Aic.16191  0.34
2017 Gao J, Okuno R, Li HA. A Phase-Behavior Study for n -Hexane/Bitumen and n -Octane/Bitumen Mixtures Spe Journal. 23: 128-144. DOI: 10.2118/186097-Pa  0.324
2017 Venkatramani AV, Okuno R. Compositional Mechanisms in Steam-Assisted Gravity Drainage and Expanding-Solvent Steam-Assisted Gravity Drainage With Consideration of Water Solubility in Oil Spe Reservoir Evaluation & Engineering. 20: 681-697. DOI: 10.2118/180737-Pa  0.406
2017 Gao J, Okuno R, Li HA. An Experimental Study of Multiphase Behavior for n -Butane/Bitumen/Water Mixtures Spe Journal. 22: 783-798. DOI: 10.2118/180736-Pa  0.307
2017 McGuire PL, Okuno R, Gould TL, Lake LW. Ethane-Based Enhanced Oil Recovery: An Innovative and Profitable Enhanced-Oil-Recovery Opportunity for a Low-Price Environment Spe Reservoir Evaluation & Engineering. 20: 42-58. DOI: 10.2118/179565-Pa  0.374
2017 Zhu D, Eghbali S, Shekhar C, Okuno R. A Unified Algorithm for Phase-Stability/Split Calculation for Multiphase Isobaric-Isothermal Flash Spe Journal. 23: 498-521. DOI: 10.2118/175060-Pa  0.37
2016 Kumar A, Okuno R. A New Algorithm for Multiphase-Fluid Characterization for Solvent Injection Spe Journal. 21: 1688-1704. DOI: 10.2118/175123-Pa  0.33
2016 Kumar A, Okuno R. Reliable characterization of bitumen based on perturbation from n-alkanes for steam-solvent coinjection simulation Fuel. 182: 141-153. DOI: 10.1016/J.Fuel.2016.05.095  0.469
2016 Zhu D, Okuno R. Multiphase isenthalpic flash integrated with stability analysis Fluid Phase Equilibria. 423: 203-219. DOI: 10.1016/J.Fluid.2016.04.005  0.423
2015 Zhu D, Okuno R. Robust isenthalpic flash for multiphase water/hydrocarbon mixtures Spe Journal. 20: 1350-1365. DOI: 10.2118/170092-Pa  0.46
2015 Keshavarz M, Okuno R, Babadagli T. Optimal application conditions for steam/solvent coinjection Spe Reservoir Evaluation and Engineering. 18: 20-38. DOI: 10.2118/165471-Pa  0.444
2015 Zhang B, Okuno R. Modeling of capacitance flow behavior in EOS compositional simulation Journal of Petroleum Science and Engineering. 131: 96-113. DOI: 10.1016/J.Petrol.2015.04.014  0.419
2015 Venkatramani AV, Okuno R. Characterization of water-containing reservoir oil using an EOS for steam injection processes Journal of Natural Gas Science and Engineering. 26: 1091-1106. DOI: 10.1016/J.Jngse.2015.07.036  0.487
2015 Keshavarz M, Okuno R, Babadagli T. A semi-analytical solution to optimize single-component solvent coinjection with steam during SAGD Fuel. 144: 400-414. DOI: 10.1016/J.Fuel.2014.12.030  0.505
2015 Kumar A, Okuno R. Direct perturbation of the Peng-Robinson attraction and covolume parameters for reservoir fluid characterization Chemical Engineering Science. 127: 293-309. DOI: 10.1016/J.Ces.2015.01.032  0.442
2015 Xu Z, Okuno R. Numerical simulation of three-hydrocarbon-phase flow with robust phase identification Society of Petroleum Engineers - Spe Reservoir Simulation Symposium 2015. 1: 241-262.  0.429
2014 Okuno R, Xu Z. Mass transfer on multiphase transitions in low-temperature carbon-dioxide floods Spe Journal. 19: 1005-1023. DOI: 10.2118/166345-Pa  0.446
2014 Okuno R, Xu Z. Efficient displacement of heavy oil by use of three hydrocarbon phases Spe Journal. 19: 956-973. DOI: 10.2118/165470-Pa  0.471
2014 Kumar A, Okuno R. Reservoir oil characterization for compositional simulation of solvent injection processes Industrial and Engineering Chemistry Research. 53: 440-455. DOI: 10.1021/Ie402198Z  0.476
2014 Keshavarz M, Okuno R, Babadagli T. Efficient oil displacement near the chamber edge in ES-SAGD Journal of Petroleum Science and Engineering. 118: 99-113. DOI: 10.1016/J.Petrol.2014.04.007  0.493
2014 Zhu D, Okuno R. A robust algorithm for isenthalpic flash of narrow-boiling fluids Fluid Phase Equilibria. 379: 26-51. DOI: 10.1016/J.Fluid.2014.07.003  0.358
2014 Zhu D, Okuno R. A robust algorithm for multiphase isenthalpic flash Society of Petroleum Engineers - Spe Heavy Oil Conference Canada 2014. 2: 976-1008.  0.326
2014 Venkatramanic AV, Okuno R. Modeling of multiphase behavior for water/n-alkane mixtures by use of the Peng-Robinson EOS Society of Petroleum Engineers - Spe Heavy Oil Conference Canada 2014. 2: 1113-1153.  0.373
2013 Kumar A, Okuno R. Characterization of reservoir fluids using an EOS based on perturbation from n-alkanes Fluid Phase Equilibria. 358: 250-271. DOI: 10.1016/J.Fluid.2013.08.035  0.481
2013 Keshavarz M, Okuno R, Babadagli T. Optimal application conditions for steam-solvent coinjection Society of Petroleum Engineers - Spe Heavy Oil Conference Canada 2013. 2: 1081-1105.  0.349
2013 Kumar A, Okuno R. Universal fluid characterization using an EOS based on perturbation from n-alkanes Proceedings - Spe Annual Technical Conference and Exhibition. 1: 783-814.  0.413
2013 Okuno R, Xu Z. Mass transfer on multiphase transitions in low-temperature CO2 floods Proceedings - Spe Annual Technical Conference and Exhibition. 4: 3128-3160.  0.352
2013 Zhang B, Okuno R. A new method for modeling bypassed oil recovery in EOS compositional simulation Proceedings - Spe Annual Technical Conference and Exhibition. 5: 3477-3499.  0.382
2013 Okuno R, Xu Z. Efficient displacement of heavy oil using three hydrocarbon phases Society of Petroleum Engineers - Spe Heavy Oil Conference Canada 2013. 2: 1060-1080.  0.384
2012 Kumar A, Okuno R. Critical parameters optimized for accurate phase behavior modeling for heavy n-alkanes up to C 100 using the Peng-Robinson equation of state Fluid Phase Equilibria. 335: 46-59. DOI: 10.1016/J.Fluid.2012.07.029  0.363
2012 Kumar A, Okuno R. Fluid characterization using an EOS for compositional simulation of enhanced heavy-oil recovery Proceedings - Spe Annual Technical Conference and Exhibition. 3: 2375-2397.  0.406
2011 Okuno R, Johns RT, Sepehrnoori K. Mechanisms for high displacement efficiency of low-temperature CO 2 floods Spe Journal. 16: 751-767. DOI: 10.2118/129846-Pa  0.599
2010 Okuno R, Johns RT, Sepehrnoori K. Three-phase flash in compositional simulation using a reduced method Spe Journal. 15: 689-703. DOI: 10.2118/125226-Pa  0.588
2010 Okuno R, Johns RT, Sepehrnoori K. Application of a reduced method in compositional simulation Spe Journal. 15: 39-49. DOI: 10.2118/119657-Pa  0.567
2010 Okuno R, Johns RT, Sepehrnoori K. A new algorithm for rachford-rice for multiphase compositional simulation Spe Journal. 15: 313-325. DOI: 10.2118/117752-Pa  0.569
2010 Okuno R, Johns RT, Sepehrnoori K. Three-phase flash in compositional simulation using a reduced method Spe Journal. 15: 689-703.  0.554
2008 Okuno R, Johns RT, Sepehrnoori K. Use of a reduced method in compositional simulation Ecmor 2008 - 11th European Conference On the Mathematics of Oil Recovery.  0.528
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