A new algorithm for Rachford-Rice for multiphase compositional simulation R Okuno, RT Johns, K Sepehrnoori Spe Journal 15 (02), 313-325, 2010 | 114 | 2010 |
Optimal application conditions for steam/solvent coinjection M Keshavarz, R Okuno, T Babadagli SPE Reservoir Evaluation & Engineering 18 (01), 20-38, 2015 | 100 | 2015 |
Three-phase flash in compositional simulation using a reduced method R Okuno, RT Johns, K Sepehrnoori Spe Journal 15 (03), 689-703, 2010 | 92 | 2010 |
Measurements and Modeling of Interfacial Tension for CO2/CH4/Brine Systems under Reservoir Conditions Y Liu, HA Li, R Okuno Industrial & Engineering Chemistry Research 55 (48), 12358-12375, 2016 | 90 | 2016 |
An experimental study of multiphase behavior for n-butane/bitumen/water mixtures J Gao, R Okuno, HA Li SPE Journal 22 (03), 783-798, 2017 | 78 | 2017 |
Efficient oil displacement near the chamber edge in ES-SAGD M Keshavarz, R Okuno, T Babadagli Journal of Petroleum Science and Engineering 118, 99-113, 2014 | 74 | 2014 |
Modeling of multiphase behavior for gas flooding simulation R Okuno the University of Texas at Austin, 2009 | 68 | 2009 |
Application of a reduced method in compositional simulation R Okuno, RT Johns, K Sepehrnoori SPE Journal 15 (01), 39-49, 2010 | 57 | 2010 |
Dimethyl ether as an additive to steam for improved steam-assisted gravity drainage K Sheng, R Okuno, M Wang SPE Journal 23 (04), 1201-1222, 2018 | 56 | 2018 |
Ethane-based enhanced oil recovery: An innovative and profitable enhanced-oil-recovery opportunity for a low-price environment PL McGuire, R Okuno, TL Gould, LW Lake SPE Reservoir Evaluation & Engineering 20 (01), 042-058, 2017 | 48 | 2017 |
Comparative study of oil-dilution capability of dimethyl ether and hexane as steam additives for steam-assisted gravity drainage KH Baek, K Sheng, FJ Argüelles-Vivas, R Okuno SPE Reservoir Evaluation & Engineering 22 (03), 1030-1048, 2019 | 45 | 2019 |
Multiphase isenthalpic flash integrated with stability analysis D Zhu, R Okuno Fluid Phase Equilibria 423, 203-219, 2016 | 44 | 2016 |
A semi-analytical solution to optimize single-component solvent coinjection with steam during SAGD M Keshavarz, R Okuno, T Babadagli Fuel 144, 400-414, 2015 | 44 | 2015 |
Critical parameters optimized for accurate phase behavior modeling for heavy n-alkanes up to C100 using the Peng–Robinson equation of state A Kumar, R Okuno Fluid Phase Equilibria 335, 46-59, 2012 | 39 | 2012 |
Robust isenthalpic flash for multiphase water/hydrocarbon mixtures D Zhu, R Okuno SPE Journal 20 (06), 1350-1365, 2015 | 38 | 2015 |
A robust algorithm for isenthalpic flash of narrow-boiling fluids D Zhu, R Okuno Fluid Phase Equilibria 379, 26-51, 2014 | 37 | 2014 |
Mechanistic simulation study of expanding-solvent steam-assisted gravity drainage under reservoir heterogeneity AV Venkatramani, R Okuno Journal of Petroleum Science and Engineering 169, 146-156, 2018 | 36 | 2018 |
Compositional mechanisms in steam-assisted gravity drainage and expanding-solvent steam-assisted gravity drainage with consideration of water solubility in oil AV Venkatramani, R Okuno SPE Reservoir Evaluation & Engineering 20 (03), 681-697, 2017 | 34 | 2017 |
Characterization of water-containing reservoir oil using an EOS for steam injection processes AV Venkatramani, R Okuno Journal of Natural Gas Science and Engineering 26, 1091-1106, 2015 | 34 | 2015 |
Phase behavior of N2/n-C4H10 in a partially confined space derived from shale sample Y Liu, HA Li, R Okuno Journal of Petroleum Science and Engineering 160, 442-451, 2018 | 32 | 2018 |