Research Summary
Enhanced oil recovery, unconventional gas recovery, theory of gas injection processes, geothermal energy and well testing.
In the News
Research Keywords
These keywords and phrases come from the publications and other research output of this person. See other researchers related to these topics by clicking on any keyword.
Recent Publications
Evaluation of machine learning methodologies using simple physics based conceptual models for flow in porous media
Magzymov, D., Ratnakar, R. R., Dindoruk, B. & Johns, R. T., Dec 2022, In: Journal of Petroleum Science and Engineering. 219, 111056.Research output: Contribution to journal › Article › peer-review
Inclusion of variable characteristic length in microemulsion flash calculations
Magzymov, D. & Johns, R. T., Aug 2022, In: Computational Geosciences. 26, 4, p. 995-1010 16 p.Research output: Contribution to journal › Article › peer-review
Sensitivity Analysis of Fluid–Fluid Interfacial Area, Phase Saturation and Phase Connectivity on Relative Permeability Estimation Using Machine Learning Algorithms
Mukherjee, S. & Johns, R. T., Aug 2022, In: Energies. 15, 16, 5893.Research output: Contribution to journal › Article › peer-review
Comparative Study of Traditional and Deep-Learning Denoising Approaches for Image-Based Petrophysical Characterization of Porous Media
Tawfik, M. S., Adishesha, A. S., Hsi, Y., Purswani, P., Johns, R. T., Shokouhi, P., Huang, X. & Karpyn, Z. T., Jan 25 2022, In: Frontiers in Water. 3, 800369.Research output: Contribution to journal › Article › peer-review
Effect of oil chemistry on the performance of low-salinity waterflooding in carbonates: An integrated experimental approach
Tawfik, M. S., Karpyn, Z. T. & Johns, R. T., Dec 1 2022, In: Fuel. 329, 125436.Research output: Contribution to journal › Article › peer-review
Multicomponent diffusion modeling of cyclic solvent injection in ultratight reservoirs
Cronin, M., Emami-Meybodi, H. & Johns, R. T., Jun 2021, In: SPE Journal. 26, 3, p. 1213-1232 20 p.Research output: Contribution to journal › Article › peer-review
Measurement and modeling of minimum miscibility pressure: A state-of-the-art review
Dindoruk, B., Johns, R. & Orr, F. M., May 2021, In: SPE Reservoir Evaluation and Engineering. 24, 2, p. 367-389 23 p.Research output: Contribution to journal › Review article › peer-review
Capillary contact angle for the quartz-distilled water-normal decane interface at temperatures up to 200 °C
Duffy, T. S., Li, J., Johns, R. T. & Lvov, S. N., Jan 20 2021, In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 609, 125608.Research output: Contribution to journal › Article › peer-review
Modeling Contact Angle vs. Temperature for the Quartz-Water-Decane System
Duffy, T. S., Gamwo, I. K., Johns, R. T. & Lvov, S. N., Dec 2021, In: SPE Journal. 26, 6, p. 3668-3680 13 p.Research output: Contribution to journal › Article › peer-review
A new way of compositional simulation without phase labeling
Khorsandi, S., Li, L. & Johns, R. T., Apr 2021, In: SPE Journal. 26, 2, p. 940-958 19 p.Research output: Contribution to journal › Article › peer-review
Experimental analysis of alkali-brine-alcohol phase behavior with high acid number crude oil
Magzymov, D., Clemens, T., Schumi, B. & Johns, R. T., May 2021, In: SPE Reservoir Evaluation and Engineering. 24, 2, p. 390-408 19 p.Research output: Contribution to journal › Article › peer-review
Modeling the Effect of Reaction Kinetics and Dispersion during Low-Salinity Waterflooding
Magzymov, D., Purswani, P., Karpyn, Z. T. & Johns, R. T., Oct 2021, In: SPE Journal. 26, 5, p. 3075-3093 19 p.Research output: Contribution to journal › Article › peer-review
Predictive modeling of relative permeability using a generalized equation of state
Purswani, P., Johns, R. T., Karpyn, Z. T. & Blunt, M., Feb 2021, In: SPE Journal. 26, 1, p. 191-205 15 p.Research output: Contribution to journal › Article › peer-review
A continuous and predictive viscosity model coupled to a microemulsion equation of state
Khodaparast, P. & Johns, R. T., Jun 2020, In: SPE Journal. 25, 3, p. 1070-1081 12 p.Research output: Contribution to journal › Article › peer-review
On the development of a relative permeability equation of state
Purswani, P., Tawfik, M. S., Karpyn, Z. T. & Johns, R. T., Apr 1 2020, In: Computational Geosciences. 24, 2, p. 807-818 12 p.Research output: Contribution to journal › Article › peer-review