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# Louis Durlofsky

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## Group

Otto N. Miller Professor in Earth Sciences

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Research

The ability to accurately model flow in subsurface formations enables the efficient production and optimal management of key resources such as oil and natural gas. Reliable subsurface flow models will also be required for the design and operation of geologic CO2 storage processes. My students and I pursue a number of research areas involving the simulation of multiphase subsurface flow phenomena. Some of the specific areas we study are the optimization of well placement and well settings, the upscaling (or coarse-graining) of detailed geological descriptions for flow simulation, reduced-order modeling, flow in fractured or faulted systems, CO2 sequestration modeling, and general numerical discretization and gridding issues. Many of our studies involve the development of new computational methods able to accurately and efficiently represent the effects of geological complexity on subsurface flow. Another main focus is "closed-loop" reservoir modeling, in which we employ computational optimization and data assimilation techniques for real-time simulation and optimization. I am also active in the area of energy systems optimization, where the goal is to determine the optimal design and operating parameters for integrated energy facilities that include carbon capture.

Teaching

I teach or co-teach graduate courses on advanced reservoir engineering, reservoir simulation, and advanced reservoir simulation. These classes focus on the analytical description and computational modeling of subsurface flow phenomena. I also co-teach an undergraduate class on energy and the environment.

Professional Activities

I co-direct the Stanford University Industrial Affiliates Programs on Smart Fields and Reservoir Simulation Research (SUPRI-B). Outside of Stanford, I serve on the Editorial Boards of two journals, Computational Geosciences and Mathematical Geosciences, and I am a permanent member of the European Conference on the Mathematics of Oil Recovery (ECMOR) Program Committee. I am also an active member of the Society of Petroleum Engineers and the Society for Industrial and Applied Mathematics.

The ability to accurately model flow in subsurface formations enables the efficient production and optimal management of key resources such as oil and natural gas. Reliable subsurface flow models will also be required for the design and operation of geologic CO2 storage processes. My students and I pursue a number of research areas involving the simulation of multiphase subsurface flow phenomena. Some of the specific areas we study are the optimization of well placement and well settings, the upscaling (or coarse-graining) of detailed geological descriptions for flow simulation, reduced-order modeling, flow in fractured or faulted systems, CO2 sequestration modeling, and general numerical discretization and gridding issues. Many of our studies involve the development of new computational methods able to accurately and efficiently represent the effects of geological complexity on subsurface flow. Another main focus is "closed-loop" reservoir modeling, in which we employ computational optimization and data assimilation techniques for real-time simulation and optimization. I am also active in the area of energy systems optimization, where the goal is to determine the optimal design and operating parameters for integrated energy facilities that include carbon capture.

Teaching

I teach or co-teach graduate courses on advanced reservoir engineering, reservoir simulation, and advanced reservoir simulation. These classes focus on the analytical description and computational modeling of subsurface flow phenomena. I also co-teach an undergraduate class on energy and the environment.

Professional Activities

I co-direct the Stanford University Industrial Affiliates Programs on Smart Fields and Reservoir Simulation Research (SUPRI-B). Outside of Stanford, I serve on the Editorial Boards of two journals, Computational Geosciences and Mathematical Geosciences, and I am a permanent member of the European Conference on the Mathematics of Oil Recovery (ECMOR) Program Committee. I am also an active member of the Society of Petroleum Engineers and the Society for Industrial and Applied Mathematics.

2014-15

- Advanced Reservoir Engineering

ENERGY 222 (Spr) - Advanced Reservoir Simulation

ENERGY 224 (Aut) - Energy and the Environment

EARTHSYS 101, ENERGY 101 (Win) - Reservoir Simulation

ENERGY 223 (Win)

Independent Study Courses

- Advanced Research Work in Energy Resources Engineering

ENERGY 360 (Aut, Win, Spr, Sum) ENERGY 360 (Aut, Win, Spr, Sum) - Doctoral Degree Research in Energy Resources Engineering

ENERGY 363 (Aut, Win, Spr, Sum) ENERGY 363 (Aut, Win, Spr, Sum) - Doctoral Report on Energy Industry Training

ENERGY 355 (Sum) ENERGY 355 (Sum) - Engineer's Degree Research in Energy Resources Engineering

ENERGY 362 (Aut, Win, Spr, Sum) ENERGY 362 (Aut, Win, Spr, Sum) - Master's Degree Research in Energy Resources Engineering

ENERGY 361 (Aut, Win, Spr, Sum) ENERGY 361 (Aut, Win, Spr, Sum) - Master's Report on Energy Industry Training

ENERGY 255 (Sum) ENERGY 255 (Sum) - Research in Earth, Energy, and Environmental Sciences

EEES 400 (Aut, Win, Spr, Sum) EEES 400 (Aut, Win, Spr, Sum) - Special Research Topics in Energy Resources Engineering

ENERGY 365 (Aut, Win, Spr, Sum) ENERGY 365 (Aut, Win, Spr, Sum) - Undergraduate Report on Energy Industry Training

ENERGY 155 (Win, Spr, Sum) ENERGY 155 (Win, Spr, Sum) - Undergraduate Research Problems

ENERGY 193 (Aut, Win, Spr) ENERGY 193 (Aut, Win, Spr)

2013-14

- Advanced Reservoir Engineering

ENERGY 222 (Spr) - Advanced Reservoir Simulation

ENERGY 224 (Aut) - Energy and the Environment

EARTHSYS 101, ENERGY 101 (Win) - Reservoir Simulation

ENERGY 223 (Win)

Independent Study Courses

- Advanced Research Work in Energy Resources Engineering

ENERGY 360 (Aut, Win, Spr, Sum) ENERGY 360 (Aut, Win, Spr, Sum) - Doctoral Degree Research in Energy Resources Engineering

ENERGY 363 (Aut, Win, Spr, Sum) ENERGY 363 (Aut, Win, Spr, Sum) - Doctoral Report on Energy Industry Training

ENERGY 355 (Sum) ENERGY 355 (Sum) - Engineer's Degree Research in Energy Resources Engineering

ENERGY 362 (Aut, Win, Spr, Sum) ENERGY 362 (Aut, Win, Spr, Sum) - Master's Degree Research in Energy Resources Engineering

ENERGY 361 (Aut, Win, Spr, Sum) ENERGY 361 (Aut, Win, Spr, Sum) - Master's Report on Energy Industry Training

ENERGY 255 (Sum) ENERGY 255 (Sum) - Research in Earth, Energy, and Environmental Sciences

EEES 400 (Aut, Win, Spr, Sum) EEES 400 (Aut, Win, Spr, Sum) - Special Research Topics in Energy Resources Engineering

ENERGY 365 (Aut, Win, Spr, Sum) ENERGY 365 (Aut, Win, Spr, Sum) - Undergraduate Report on Energy Industry Training

ENERGY 155 (Win, Spr, Sum) ENERGY 155 (Win, Spr, Sum) - Undergraduate Research Problems

ENERGY 193 (Aut, Win, Spr) ENERGY 193 (Aut, Win, Spr)

2012-13

- Advanced Reservoir Engineering

ENERGY 222 (Spr) - Advanced Reservoir Simulation

ENERGY 224 (Aut) - Energy and the Environment

EARTHSYS 101, ENERGY 101 (Win) - Reservoir Simulation

ENERGY 223 (Win)

Independent Study Courses

- Advanced Research Work in Energy Resources Engineering

ENERGY 360 (Aut, Win, Spr, Sum) ENERGY 360 (Aut, Win, Spr, Sum) - Doctoral Degree Research in Energy Resources Engineering

ENERGY 363 (Aut, Win, Spr, Sum) ENERGY 363 (Aut, Win, Spr, Sum) - Doctoral Report on Energy Industry Training

ENERGY 355 (Sum) ENERGY 355 (Sum) - Engineer's Degree Research in Energy Resources Engineering

ENERGY 362 (Aut, Win, Spr, Sum) ENERGY 362 (Aut, Win, Spr, Sum) - Master's Degree Research in Energy Resources Engineering

ENERGY 361 (Aut, Win, Spr, Sum) ENERGY 361 (Aut, Win, Spr, Sum) - Master's Report on Energy Industry Training

ENERGY 255 (Sum) ENERGY 255 (Sum) - Research in Earth, Energy, and Environmental Sciences

EEES 400 (Aut, Win, Spr, Sum) EEES 400 (Aut, Win, Spr, Sum) - Senior Project and Seminar in Energy Resources

ENERGY 199 (Spr) ENERGY 199 (Spr) - Special Research Topics in Energy Resources Engineering

ENERGY 365 (Aut, Win, Spr, Sum) ENERGY 365 (Aut, Win, Spr, Sum) - Undergraduate Report on Energy Industry Training

ENERGY 155 (Win, Spr, Sum) ENERGY 155 (Win, Spr, Sum) - Undergraduate Research Problems

ENERGY 193 (Aut, Win, Spr) ENERGY 193 (Aut, Win, Spr)

2011-12

- Advanced Reservoir Engineering

ENERGY 222 (Spr) - Advanced Reservoir Simulation

ENERGY 224 (Aut) - Energy and the Environment

EARTHSYS 101, ENERGY 101 (Win) - Reservoir Simulation

ENERGY 223 (Win)

Independent Study Courses

- Advanced Research Work in Energy Resources Engineering

ENERGY 360 (Aut, Win, Spr, Sum) ENERGY 360 (Aut, Win, Spr, Sum) - Doctoral Degree Research in Energy Resources Engineering

ENERGY 363 (Aut, Win, Spr, Sum) ENERGY 363 (Aut, Win, Spr, Sum) - Doctoral Report on Energy Industry Training

ENERGY 355 (Sum) ENERGY 355 (Sum) - Engineer's Degree Research in Energy Resources Engineering

ENERGY 362 (Aut, Win, Spr, Sum) ENERGY 362 (Aut, Win, Spr, Sum) - Master's Degree Research in Energy Resources Engineering

ENERGY 361 (Aut, Win, Spr, Sum) ENERGY 361 (Aut, Win, Spr, Sum) - Master's Report on Energy Industry Training

ENERGY 255 (Sum) ENERGY 255 (Sum) - Research in Earth, Energy, and Environmental Sciences

EEES 400 (Aut, Win, Spr, Sum) EEES 400 (Aut, Win, Spr, Sum) - Senior Project and Seminar in Energy Resources

ENERGY 199 (Spr) ENERGY 199 (Spr) - Special Research Topics in Energy Resources Engineering

ENERGY 365 (Aut, Win, Spr, Sum) ENERGY 365 (Aut, Win, Spr, Sum) - Undergraduate Report on Energy Industry Training

ENERGY 155 (Win, Spr, Sum) ENERGY 155 (Win, Spr, Sum) - Undergraduate Research Problems

ENERGY 193 (Aut, Win, Spr) ENERGY 193 (Aut, Win, Spr)

Postdoctoral Advisees:

- Kourounis, D., Durlofsky, L. J., Jansen, J. D., & Aziz, K. (2014). Adjoint formulation and constraint handling for gradient-based optimization of compositional reservoir flow.
*Computational Geosciences*. - Zhou, X., Karimi-Fard, M., Durlofsky, L. J., Aydin, A., & Spence, et al., G. H. (2014).
*Fluid flow through porous sandstone with overprinting and intersecting geological structures of various types*.*Advances in the Study of Fractured Reservoirs, Special Publications, 374*. London The Geological Society. - Isebor, O. J., Durlofsky, L. J., & Echeverría Ciaurri, D. (2014). Generalized field development optimization using derivative-free procedures.
*SPE Journal*. - Rouuset, M. Ah., Huang, C. K., Klie, H., & Durlofsky, L. J. (2014). Reduced-order modeling for thermal recovery processes.
*Computational Geosciences*. - He, J., & Durlofsky, L. J. (2014). Reduced-order modeling for compositional simulation by use of trajectory piecewise linearization.
*SPE Journal*. - He, J., Sarma, P., & Durlofsky, L. J. (2013). Reduced-order flow modeling and geological parameterization for ensemble-based data assimilation.
*COMPUTERS & GEOSCIENCES*,*55*, 54-69. - Wen, Z., Durlofsky, L. J., Van Roy, B., & Aziz, K. (2013).
*Approximate dynamic programming for optimizing oil production. Reinforcement Learning and Approximate Dynamic Programming for Feedback Control*. Wiley/IEEE Press. - Kang, C. A., Brandt, A. R., & Durlofsky, L. J. (2013). Optimal heat management in an integrated fossil-renewable energy system with CO2 capture.
*Energy Procedia*,*37*, 2715-2726 . Presented at the 11th International Conference on Greenhouse Gas Control Technologies (GHGT-11). - Cameron, D. A., & Durlofsky, L. J. (2013).
*Optimization and data assimilation for geological carbon storage*.*Computational Models for CO2 Sequestration and Compressed Air Energy Storage*. Taylor & Francis Group/CRC Press. - Isebor, O. J., Durlofsky, L. J., & Echeverria Ciaurri, D. (2013). A derivative-free methodology with local and global search for the constrained joint optimization of well locations and controls.
*Computational Geosciences*. - Farshidi, S. F., Fan, Y., Durlofsky, L. J., & Tchelepi, H. A. (2013). Chemical reaction modeling in a compositional reservoir-simulation framework, SPE paper 163677. Presented at the SPE Reservoir Simulation Symposium, The Woodlands, TX, Feb. 18-20.
- Isebor, O. J., Echeverria Ciaurri, D., & Durlofsky, L. J. (2013). Generalized field development optimization using derivative-free procedures, SPE paper 163631. Presented at the SPE Reservoir Simulation Symposium, The Woodlands, TX, Feb. 18-20.
- Wilson, K. C., & Durlofsky, L. J. (2013). Optimization of shale gas field development using direct search techniques and reduced-physics models.
*Journal of Petroleum Science and Engineering*,*108*. - He, J., & Durlofsky, L. J. (2013). Reduced-order modeling for compositional simulation using trajectory piecewise linearization. Presented at the Society of Petroleum Engineers Reservoir Simulation Symposium.
- Karimi-Fard, M., & Durlofsky, L. J. (2012). Accurate Resolution of Near-Well Effects in Upscaled Models Using Flow-Based Unstructured Local Grid Refinement.
*SPE JOURNAL*,*17*(4), 1084-1095. - Bellout, M. C., Ciaurri, D. E., Durlofsky, L. J., Foss, B., & Kleppe, J. (2012). Joint optimization of oil well placement and controls.
*COMPUTATIONAL GEOSCIENCES*,*16*(4), 1061-1079. - Cameron, D. A., & Durlofsky, L. J. (2012). Optimization of well placement, CO2 injection rates, and brine cycling for geological carbon sequestration.
*INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL*,*10*, 100-112. - Fan, Y., Durlofsky, L. J., & Tchelepi, H. A. (2012). A fully-coupled flow-reactive-transport formulation based on element conservation, with application to CO2 storage simulations.
*ADVANCES IN WATER RESOURCES*,*42*, 47-61. - Wang, H., Ciaurri, D. E., Durlofsky, L. J., & Cominelli, A. (2012). Optimal Well Placement Under Uncertainty Using a Retrospective Optimization Framework.
*SPE JOURNAL*,*17*(1), 112-121. - Aouizerate, G., Durlofsky, L. J., & Samier, P. (2012). New models for heater wells in subsurface simulations, with application to the in situ upgrading of oil shale.
*COMPUTATIONAL GEOSCIENCES*,*16*(2), 519-533. - Rousset, M. A., Huang, H., Klie, C. K., & Durlofsky, L. J. (2012). Reduced-order modeling for thermal recovery processes. Presented at the Proceedings of the 13th European Conference on the Mathematics of Oil Recovery.
- Kang, C. A., Brandt, A. R., & Durlofsky, L. J. (2012). Optimal heat management in an integrated fossil-renewable energy system with CO2 capture. Presented at the Proceedings of the 11th International Conference on Greenhouse Gas Control Technologies (GHGT-11).
- Wilson, K. C., & Durlofsky, L. J. (2012). Computational optimization of shale resource development using reduced-physics surrogate models. Presented at the Society of Petroleum Engineers Western Regional Meeting.
- Karimi-Fard, M., & Durlofsky, L. J. (2012). A new global upscaling technique for 3D unstructured grids. Presented at the Proceedings of the 13th European Conference on the Mathematics of Oil Recovery.
- Kang, C. A., Brandt, A. R., & Durlofsky, L. J. (2012). Impact of CO2 emissions policy and system configuration on optimal operation of an integrated fossil-renewable energy, CMTC Paper 151446. Presented at the Carbon Management Technology Conference.
- Nakashima, T., Li, H., & Durlofsky, L. J. (2012). Near-well upscaling for three-phase flows.
*COMPUTATIONAL GEOSCIENCES*,*16*(1), 55-73. - Durlofsky, L. J., & Chen, Y. (2012).
*Uncertainty quantification for subsurface flow problems using coarse-scale models*. (I. G. Graham, T. Y. Hou, O. Lakkis & R. Scheichl, Eds.)*Numerical Analysis of Multiscale Problems, Lecture Notes in Computational Science and Engineering, Vol. 83*. Springer. - Isebor, O. J., Durlofsky, L. J., & Echeverría Ciaurri, D. (2012). A derivative-free methodology with local and global search for the joint optimization of well location and control. Presented at the Proceedings of the 13th European Conference on the Mathematics of Oil Recovery.
- Kang, C. A., Brandt, A. R., & Durlofsky, L. J. (2011). Optimal operation of an integrated energy system including fossil fuel power generation, CO2 capture and wind.
*ENERGY*,*36*(12), 6806-6820. - Wilson, C. E., Aydin, A., Karimi-Fard, M., Durlofsky, L. J., Sagy, A., & Kellogg, L. H. (2011). From outcrop to flow simulation: Constructing discrete fracture models from a LIDAR survey.
*AAPG BULLETIN*,*95*(11), 1883-1905. - He, J., Saetrom, J., & Durlofsky, L. J. (2011). Enhanced linearized reduced-order models for subsurface flow simulation.
*JOURNAL OF COMPUTATIONAL PHYSICS*,*230*(23), 8313-8341. - Onwunalu, J. E., & Durlofsky, L. J. (2011). A New Well-Pattern-Optimization Procedure for Large-Scale Field Development.
*SPE JOURNAL*,*16*(3), 594-607. - Wilson, C. E., Aydin, A., Durlofsky, L. J., Boucher, A., & Brownlow, D. T. (2011). Use of outcrop observations, geostatistical analysis, and flow simulation to investigate structural controls on secondary hydrocarbon migration in the Anacacho Limestone, Uvalde, Texas.
*AAPG BULLETIN*,*95*(7), 1181-1206. - Scheidt, C., Caers, J., Chen, Y., & Durlofsky, L. J. (2011). A multi-resolution workflow to generate high-resolution models constrained to dynamic data.
*COMPUTATIONAL GEOSCIENCES*,*15*(3), 545-563. - Zheng, W., Durlofsky, L. J., Roy, V. B., & Aziz, K. (2011). Use of approximate dynamic programming for production optimization. Presented at the Symposium of the Society of Petroleum Engineers.
- He, J., Sarma, P., & Durlofsky, L. J. (2011). Use of reduced-order models for improved data assimilation within an EnKF context. Presented at the Symposium of the Society of Petroleum Engineers.
- Chen, Y., Park, K., & Durlofsky, L. J. (2011). Statistical assignment of upscaled flow functions for an ensemble of geological models.
*COMPUTATIONAL GEOSCIENCES*,*15*(1), 35-51. - Echeverria Ciaurri, D., Mukerji, T., & Durlofsky, L. J. (2011).
*Derivative-free optimization for oil field operations*. (X. S. Yang & S. Koziel, Eds.)*Computational Optimization and Applications in Engineering and Industry, Studies in Computational Intelligence, 359*(19-55). Springer-Verlag. - Echeverria Ciaurri, D., Isebor, O. J., & Durlofsk, L. J. (2011). Application of derivative-free methodologies to generally constrained oil production optimisation problems.
*International Journal of Mathematical Modelling and Numerical Optimisation*,*2*. - Livescu, S., Durlofsky, L. J., & AZIZ, K. (2010). A Semianalytical Thermal Multiphase Wellbore-Flow Model for Use in Reservoir Simulation.
*SPE JOURNAL*,*15*(3), 794-804. - Nakashima, T., & Durlofsky, L. J. (2010). Accurate Representation of Near-well Effects in Coarse-Scale Models of Primary Oil Production.
*TRANSPORT IN POROUS MEDIA*,*83*(3), 741-770. - Cardoso, M. A., & Durlofsky, L. J. (2010). Use of Reduced-Order Modeling Procedures for Production Optimization.
*SPE JOURNAL*,*15*(2), 426-435. - Fan, Y., Durlofsky, L. J., & Tchelepi, H. A. (2010). Numerical Simulation of the In-Situ Upgrading of Oil Shale.
*SPE JOURNAL*,*15*(2), 368-381. - Livescu, S., Durlofsky, L. J., AZIZ, K., & GINESTRA, J. C. (2010). A fully-coupled thermal multiphase wellbore flow model for use in reservoir simulation.
*JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING*,*71*(3-4), 138-146. - Cardoso, M. A., & Durlofsky, L. J. (2010). Linearized reduced-order models for subsurface flow simulation.
*JOURNAL OF COMPUTATIONAL PHYSICS*,*229*(3), 681-700. - Semenova, A., Livescu, S., Durlofsky, L. J., & Aziz, K. (2010). Modeling of multisegmented thermal wells in reservoir simulation. Presented at the Society of Petroleum Engineers Europec/EAGE Annual Conference and Exhibition.
- He, J., & Durlofsky, L. J. (2010). Use of linearized reduced-order modeling and pattern search methods for optimization of oil production. Presented at the Proceedings of the 2nd International Conference on Engineering Optimization.
- Scheidt, C., Caers, J., Chen, Y., & Durlofsky, L. J. (2010). Rapid construction of ensembles of high-resolution reservoir models constrained to production data. Presented at the Proceedings of the 12th European Conference on the Mathematics of Oil Recovery.
- Karimi-Fard, M., & Durlofsky, L. J. (2010). An expanded well model for accurate simulation of reservoir-well interactions. Presented at the Proceedings of the 12th European Conference on the Mathematics of Oil Recovery.
- Wang, H., Ciaurri, D. E., & Durlofsky, L. J. (2010). USE OF RETROSPECTIVE OPTIMIZATION FOR PLACEMENT OF OIL WELLS UNDER UNCERTAINTY.
*PROCEEDINGS OF THE 2010 WINTER SIMULATION CONFERENCE*, 1750-1757. - Ciaurri, D. E., Isebor, O. J., & Durlofsky, L. J. (2010). Application of Derivative-Free Methodologies to Generally Constrained Oil Production Optimization Problems.
*ICCS 2010 - INTERNATIONAL CONFERENCE ON COMPUTATIONAL SCIENCE, PROCEEDINGS*,*1*(1), 1295-1304. - Aouizerate, A., Durlofsky, L. J., & Samier, P. (2010). New models for heater wells in reservoir simulation. Presented at the Proceedings of the 12th European Conference on the Mathematics of Oil Recovery.
- Chen, T., Gerritsen, M. G., Lambers, J. V., & Durlofsky, L. J. (2010). Global variable compact multipoint methods for accurate upscaling with full-tensor effects.
*COMPUTATIONAL GEOSCIENCES*,*14*(1), 65-81. - Onwunalu, J. E., & Durlofsky, L. J. (2010). Application of a particle swarm optimization algorithm for determining optimum well location and type.
*COMPUTATIONAL GEOSCIENCES*,*14*(1), 183-198. - Ciaurri, C. E., Isebor, O. J., & Durlofsky, L. J. (2010). New approaches for generally constrained production optimization with an emphasis on derivative-free techniques. Presented at the Proceedings of the 12th European Conference on the Mathematics of Oil Recovery.
- Krogstad, S., & Durlofsky, L. J. (2009). Multiscale Mixed-Finite-Element Modeling of Coupled Wellbore/Near-Well Flow.
*SPE JOURNAL*,*14*(1), 78-87. - Cardoso, M. A., Durlofsky, L. J., & Sarma, P. (2009). Development and application of reduced-order modeling procedures for subsurface flow simulation.
*INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING*,*77*(9), 1322-1350. - Karimi-Fard, M., & Durlofsky, L. J. (2009). Detailed near-well Darcy-Forchheimer flow modeling and upscaling on unstructured 3D grids. Presented at the Symposium of the Society of Petroleum Engineers.
- Onwunalu, J., & Durlofsky, L. J. (2009). Development and application of a new well pattern optimization algorithm for optimizing large-scale field development. Presented at the Society of Petroleum Engineers Annual Technical Conference and Exhibition.
- Livescu, S., Aziz, K., & Durlofsky, L. J. (2009). Development and application of a fully-coupled thermal compositional wellbore flow model. Presented at the Society of Petroleum Engineers Western Regional Meeting.
- Chen, T., Gerritsen, M. G., Durlofsky, L. J., & Lambers, J. V. (2009). Adaptive local-global VCMP methods for coarse-scale reservoir modeling. Presented at the Symposium of the Society of Petroleum Engineers.
- Chen, Y., & Durlofsky, L. J. (2008). Ensemble-Level Upscaling for Efficient Estimation of Fine-Scale Production Statistics.
*SPE JOURNAL*,*13*(4), 400-411. - Chen, Y., Mallison, B. T., & Durlofsky, L. J. (2008). Nonlinear two-point flux approximation for modeling full-tensor effects in subsurface flow simulations.
*COMPUTATIONAL GEOSCIENCES*,*12*(3), 317-335. - Sarma, P., Chen, W. H., Durlofsky, L. J., & Aziz, K. (2008). Production optimization with adjoint models under nonlinear control-state path inequality constraints.
*SPE RESERVOIR EVALUATION & ENGINEERING*,*11*(2), 326-339. - Gong, B., Karimi-Fard, M., & Durlofsky, L. J. (2008). Upscaling discrete fracture characterizations to dual-porosity, dual-permeability models for efficient simulation of flow with strong gravitational effects.
*SPE JOURNAL*,*13*(1), 58-67. - Sarma, P., Durlofsky, L. J., & AZIZ, K. (2008). Computational techniques for closed-loop reservoir modeling with application to a realistic reservoir.
*PETROLEUM SCIENCE AND TECHNOLOGY*,*26*(10-11), 1120-1140. - Chen, Y., Park, K., & Durlofsky, L. J. (2008). Ensemble level upscaling of 3D well-driven flow for efficient uncertainty quantification. Presented at the Proceedings of the 11th European Conference on the Mathematics of Oil Recovery.
- Onwunalu, J., Litvak, M., Durlofsky, L. J., & Aziz, K. (2008). Application of statistical proxies to speed up field development optimization procedures, Paper 117323. Presented at the Abu Dhabi International Petroleum Exhibition and Conference.
- Sarma, P., Durlofsky, L. J., & Aziz, K. (2008). Kernel principal component analysis for efficient, differentiable parameterization of multipoint geostatistics.
*MATHEMATICAL GEOSCIENCES*,*40*(1), 3-32. - Livescu, S., Durlofsky, L. J., Aziz, K., & Ginestra, J. C. (2008). Application of a new fully-coupled thermal multiphase wellbore flow model. Presented at the Society of Petroleum Engineers Improved Oil Recovery Symposium.
- Ahmadov, R., Aydin, A., Karimi-Fard, M., & Durlofsky, L. J. (2007). Permeability upscaling of fault zones in the Aztec Sandstone, Valley of Fire State Park, Nevada, with a focus on slip surfaces and slip bands.
*HYDROGEOLOGY JOURNAL*,*15*(7), 1239-1250. - Durlofsky, L. J., Efendiev, Y., & Ginting, V. (2007). An adaptive local-global multiscale finite volume element method for two-phase flow simulations.
*ADVANCES IN WATER RESOURCES*,*30*(3), 576-588. - Sarma, P., Durlofsky, L. J., Aziz, K., & Chen, W. H. (2007). A new approach to automatic history matching using kernel PCA. Presented at the Symposium of the Society of Petroleum Engineers.
- Hui, M., Gong, B., Karimi-Fard, M., & Durlofsky, L. J. (2007). Development and application of new computational procedures for modeling miscible gas injection in fractured reservoirs. Presented at the Society of Petroleum Engineers Annual Technical Conference and Exhibition.
- Artus, V., Durlofsky, L. J., Onwunalu, J., & Aziz, K. (2006). Optimization of nonconventional wells under uncertainty using statistical proxies.
*COMPUTATIONAL GEOSCIENCES*,*10*(4), 389-404. - He, C., & Durlofsky, L. J. (2006). Structured flow-based gridding and upscaling for modeling subsurface flow.
*ADVANCES IN WATER RESOURCES*,*29*(12), 1876-1892. - Wen, X.-H., Chen, Y., & Durlofsky, L. J. (2006). Efficient 3D implementation of local-global upscaling for reservoir simulation.
*SPE JOURNAL*,*11*(4), 443-453. - Karimi-Fard, M., Gong, B., & Durlofsky, L. J. (2006). Generation of coarse-scale continuum flow models from detailed fracture characterizations.
*WATER RESOURCES RESEARCH*,*42*(10). - Lohne, A., Virnovsky, G., & Durlofsky, L. J. (2006). Two-stage upscaling of two-phase flow: From core to simulation scale.
*SPE JOURNAL*,*11*(3), 304-316. - Mlacnik, M. J., Durlofsky, L. J., & Heinemann, Z. E. (2006). Sequentially adapted flow-based PEBI grids for reservoir simulation.
*SPE JOURNAL*,*11*(3), 317-327. - Sternlof, K. R., Karimi-Fard, M., Pollard, D. D., & Durlofsky, L. J. (2006). Flow and transport effects of compaction bands in sandstone at scales relevant to aquifer and reservoir management.
*WATER RESOURCES RESEARCH*,*42*(7). - Mlacnik, M. J., & Durlofsky, L. J. (2006). Unstructured grid optimization for improved monotonicity of discrete solutions of elliptic equations with highly anisotropic coefficients.
*JOURNAL OF COMPUTATIONAL PHYSICS*,*216*(1), 337-361. - Jansen, J.-D., Durlofsky, L., Aziz, K., & van Kruijsdijk, C. (2006). Closed-loop reservoir management - Preface.
*COMPUTATIONAL GEOSCIENCES*,*10*(1), 1-2. - Sarma, P., Durlofsky, L. J., Aziz, K., & Chen, W. H. (2006). Efficient real-time reservoir management using adjoint-based optimal control and model updating.
*COMPUTATIONAL GEOSCIENCES*,*10*(1), 3-36. - Chen, Y. G., & Durlofsky, L. J. (2006). Adaptive local-global upscaling for general flow scenarios in heterogeneous formations.
*TRANSPORT IN POROUS MEDIA*,*62*(2), 157-185. - Mallison, B., Chen, T., & Durlofsky, L. J. (2006). Nonlinear two-point flux approximations for simulating subsurface flows with full-tensor anisotropy. Presented at the Proceedings of the 10th European Conference on the Mathematics of Oil.
- Mlacnik, M. J., & Durlofsky, L. J. (2006). Grid optimization for improved monotonicity of MPFA solutions on unstructured grids. Presented at the Proceedings of the 10th European Conference on the Mathematics of Oil.
- Castro, S., Caers, J., & Durlofsky, L. J. (2006). Improved modeling of 4D seismic response using flow-based downscaling of coarse grid saturations. Presented at the Proceedings of the 10th European Conference on the Mathematics of Oil Recovery.
- Chen, Y., & Durlofsky, L. J. (2006). Efficient incorporation of global effects in upscaled models of two-phase flow and transport in heterogeneous formations.
*MULTISCALE MODELING & SIMULATION*,*5*(2), 445-475. - Sarma, P., Durlofsky, L. J., & Aziz, K. (2006). Computational techniques for closed-loop reservoir modeling with application to a realistic reservoir. Presented at the Proceedings, 10th European Conference on the Mathematics of Oil Recovery, Amsterdam, The Netherlands, Sept. 4-7.
- Prevost, M., Lepage, F., Durlofsky, L. J., & Mallet, J. L. (2005). Unstructured 3D gridding and upscaling for coarse modelling of geometrically complex reservoirs.
*PETROLEUM GEOSCIENCE*,*11*(4), 339-345. - Hui, M., & Durlofsky, L. J. (2005). Accurate coarse modeling of well-driven, high-mobility-ratio displacements in heterogeneous reservoirs.
*JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING*,*49*(1-2), 37-56. - Aitokhuehi, I., & Durlofsky, L. J. (2005). Optimizing the performance of smart wells in complex reservoirs using continuously updated geological models.
*JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING*,*48*(3-4), 254-264. - Hui, M. H., Zhou, D., Wen, X. H., & Durlofsky, L. J. (2005). Development and application of a new technique for upscaling miscible processes.
*SPE RESERVOIR EVALUATION & ENGINEERING*,*8*(3), 189-195. - Shi, H., Holmes, J. A., Diaz, L. R., Durlofsky, L. J., & AZIZ, K. (2005). Drift-flux parameters for three-phase steady-state flow in wellbores.
*SPE JOURNAL*,*10*(2), 130-137. - Shi, H., Holmes, J. A., Durlofsky, L. J., AZIZ, K., Diaz, L. R., & Oddie, G. (2005). Drift-flux modeling of two-phase flow in wellbores.
*SPE JOURNAL*,*10*(1), 24-33. - Gerritsen, M. G., & Durlofsky, L. J. (2005). Modeling fluid flow in oil reservoirs.
*ANNUAL REVIEW OF FLUID MECHANICS*,*37*, 211-238. - Lodoen, O. P., Omre, H., Durlofsky, L. J., & Chen, Y. G. (2005). Assessment of uncertainty in reservoir production forecasts using upscaled flow models.
*GEOSTATISTICS BANFF 2004, VOLS 1 AND 2*,*14*, 713-722. - Sarma, P., Durlofsky, L. J., & Aziz, K. (2005). Efficient closed-loop production optimization under uncertainty. Presented at the 14th Europec Biennial Conference.
- Sarma, P., Aziz, K., & Durlofsky, L. J. (2005). Implementation of adjoint solution for optimal control of smart wells. Presented at the Symposium of the Society of Petroleum Engineers.
- Durlofsky, L. J. (2005). Upscaling and gridding of fine scale geological models for flow simulation. Presented at the Proceedings of the 8th International Forum on Reservoir Simulation.
- Hui, M., Durlofsky, L. J., & Wen, X. H. (2005). Application of a new upscaling technique to a miscible gas injection field study. Presented at the Proceedings of the 13th EAGE Symposium on Improved Oil Recovery.
- Sternlof, K. R., Chapin, J. R., Pollard, D. D., & Durlofsky, L. J. (2004). Permeability effects of deformation band arrays in sandstone.
*AAPG BULLETIN*,*88*(9), 1315-1329. - Yeten, B., Brouwer, D. R., Durlofsky, L. J., & AZIZ, K. (2004). Decision analysis under uncertainty for smart well deployment.
*JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING*,*43*(3-4), 183-199. - Karimi-Fard, M., Durlofsky, L. J., & Aziz, K. (2004). An efficient discrete-fracture model applicable for general-purpose reservoir simulators.
*SPE JOURNAL*,*9*(2), 227-236. - Efendiev, Y. R., & Durlofsky, L. J. (2004). Accurate subgrid models for two-phase flow in heterogeneous reservoirs.
*SPE JOURNAL*,*9*(2), 219-226. - Flodin, E. A., Durlofsky, L. J., & Aydin, A. (2004). Upscaled models of flow and transport in faulted sandstone: boundary condition effects and explicit fracture modelling.
*PETROLEUM GEOSCIENCE*,*10*(2), 173-181. - Aitokhuehi, I., Durlofsky, L. J., Artus, V., Yeten, B., & Aziz, K. (2004). Optimization of advanced well type and performance. Presented at the Proceedings of the 9th European Conference on the Mathematics of Oil Recovery.
- Prevost, M., Lepage, F., Durlofsky, L. J., & Mallet, J. L. (2004). Unstructured 3D gridding and upscaling for coarse modeling of geometrically complex reservoirs. Presented at the Proceedings, 9th European Conference on the Mathematics of Oil Recovery, Cannes, France, Aug. 30 - Sept.
- Chen, Y., Durlofsky, L. J., & Wen, X. H. (2004). Robust coarse scale modeling of flow and transport in heterogeneous reservoirs. Presented at the Proceedings of the 9th European Conference on the Mathematics of Oil Recovery.
- Chen, Y., Durlofsky, L. J., Gerritsen, M., & Wen, X. H. (2003). A coupled local-global upscaling approach for simulating flow in highly heterogeneous formations.
*ADVANCES IN WATER RESOURCES*,*26*(10), 1041-1060. - Yeten, B., Durlofsky, L. J., & Aziz, K. (2003). Optimization of nonconventional well type, location, and trajectory.
*SPE JOURNAL*,*8*(3), 200-210. - Valvatne, P. H., Serve, J., Durlofsky, L. J., & AZIZ, K. (2003). Efficient modeling of nonconventional wells with downhole inflow control devices.
*JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING*,*39*(1-2), 99-116. - Wen, X. H., Durlofsky, L. J., & Edwards, M. G. (2003). Use of border regions for improved permeability upscaling.
*MATHEMATICAL GEOLOGY*,*35*(5), 521-547. - Wen, X. H., Durlofsky, L. J., & Edwards, M. G. (2003). Upscaling of channel systems in two dimensions using flow-based grids.
*TRANSPORT IN POROUS MEDIA*,*51*(3), 343-366. - Oddie, G., Shi, H., Durlofsky, L. J., AZIZ, K., Pfeffer, B., & Holmes, J. A. (2003). Experimental study of two and three phase flows in large diameter inclined pipes.
*INTERNATIONAL JOURNAL OF MULTIPHASE FLOW*,*29*(4), 527-558. - Wolfsteiner, C., Durlofsky, L. J., & AZIZ, K. (2003). Calculation of well index for nonconventional wells on arbitrary grids.
*COMPUTATIONAL GEOSCIENCES*,*7*(1), 61-82. - Yeten, B., Durlofsky, L. J., & Aziz, K. (2003). Optimization of intelligent well control.
*World Oil*,*224*. - Wan, J., Durlofsky, L. J., Hughes, T. J., & Azaz, K. (2003). Stabilized finite element methods for coupled geomechanics - reservoir flow simulations. Presented at the Proceedings of the Symposium of the Society of Petroleum Engineers.
- Durlofsky, L. J. (2003). Upscaling of geocellular models for reservoir flow simulation: a review of recent progress. Presented at the Proceedings of the 7th International Forum on Reservoir Simulation.
- Efendiev, Y., & Durlofsky, L. J. (2003). A generalized convection-diffusion model for subgrid transport in porous media.
*MULTISCALE MODELING & SIMULATION*,*1*(3), 504-526. - Lee, S. H., Wolfsteiner, C., Durlofsky, L. J., Jenny, P., & Tchelepi, H. A. (2003). New developments in multiblock reservoir simulation: black oil modeling, nonmatching subdomains and near-well upscaling. Presented at the Proceedings of the Symposium of the Society of Petroleum Engineers.
- Efendiev, Y., & Durlofsky, L. J. (2002). Numerical modeling of subgrid heterogeneity in two phase flow simulations.
*WATER RESOURCES RESEARCH*,*38*(8). - Jourde, H., Flodin, E. A., Aydin, A., Durlofsky, L. J., & Wen, X. H. (2002). Computing permeability of fault zones in eolian sandstone from outcrop measurements.
*AAPG BULLETIN*,*86*(7), 1187-1200. - Jenny, P., Wolfsteiner, C., Lee, S. H., & Durlofsky, L. J. (2002). Modeling flow in geometrically complex reservoirs using hexahedral multiblock grids.
*SPE JOURNAL*,*7*(2), 149-157. - Wallstrom, T. C., Christie, M. A., Durlofsky, L. J., & Sharp, D. H. (2002). Effective flux boundary conditions for upscaling porous media equations.
*TRANSPORT IN POROUS MEDIA*,*46*(2-3), 139-153. - Wallstrom, T. C., Hou, S., Christie, M. A., Durlofsky, L. J., Sharp, D. H., & Zou, Q. (2002). Application of effective flux boundary conditions to two-phase upscaling in porous media.
*TRANSPORT IN POROUS MEDIA*,*46*(2-3), 155-178. - He, C. P., Edwards, M. G., & Durlofsky, L. J. (2002). Numerical calculation of equivalent cell permeability tensors for general quadrilateral control volumes.
*COMPUTATIONAL GEOSCIENCES*,*6*(1), 28-47. - Yeten, B., Durlofsky, L. J., & Aziz, K. (2002). Optimization of smart well control. Presented at the Proceedings of the Society of Petroleum Engineers International Thermal Operations and Heavy Oil Symposium and International Horizontal Well Technology Conference.
- Wolfsteiner, C., & Durlofsky, L. J. (2002). Near-well radial upscaling for the accurate modeling of nonconventional wells. Presented at the Proceedings of the Society of Petroleum Engineers Western Reginal/AAPG Pacific Section Joint Meeting.
- Durlofsky, L. J. (2002). Upscaling of geological models for reservoir simulation: Issues and approaches - Introduction to the special issue.
*COMPUTATIONAL GEOSCIENCES*,*6*(1), 1-4. - Darman, N. H., Durlofsky, L. J., Sorbie, K. S., & Pickup, G. E. (2001). Upscaling immiscible gas displacements: Quantitative use of fine-grid flow data in grid-coarsening schemes.
*SPE JOURNAL*,*6*(1), 47-56. - Wolfsteiner, C., Aziz, K., & Durlofsky, L. J. (2001). Modeling conventional and non-conventional wells. Presented at the Proceedings of the Sixth International Forum on Reservoir Simulation.
- Flodin, E. A., Aydin, A., Durlofsky, L. J., & Yeten, B. (2001). Representation of fault zone permeability in reservoir flow models. Presented at the Proceedings of the Society of Petroleum Engineers Annual Technical Conference and Exhibition.
- Valvatne, P. H., Durlofsky, L. J., & Aziz, K. (2001). Semi-analytical modeling of the performance of intelligent well completions, SPE 66368. Presented at the Proceedings of the Symposium of the Society of Petroleum Engineers.
- Efendiev, Y., Durlofsky, L. J., & Lee, S. H. (2000). Modeling of subgrid effects in coarse-scale simulations of transport in heterogeneous porous media.
*WATER RESOURCES RESEARCH*,*36*(8), 2031-2041. - Wolfsteiner, C., Durlofsky, L. J., & AZIZ, K. (2000). Approximate model for productivity of nonconventional wells in heterogeneous reservoirs.
*SPE JOURNAL*,*5*(2), 218-226. - Durlofsky, L. J. (2000). An approximate model for well productivity in heterogeneous porous media.
*MATHEMATICAL GEOLOGY*,*32*(4), 421-438. - Mascarenhas, O., & Durlofsky, L. J. (2000). Coarse scale simulation of horizontal wells in heterogeneous reservoirs.
*JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING*,*25*(3-4), 135-147. - Durlofsky, L. J., Milliken, W. J., & Bernath, A. (2000). Scaleup in the near-well region.
*SPE JOURNAL*,*5*(1), 110-117. - Christie, M. A., Wallstrom, T. C., Durlofsky, L. J., Hou, S., Sharp, D. H., & Zou, Q. (2000). Effective medium boundary conditions in upscaling. Presented at the Proceedings of the Upscaling Downunder Conference.
- Wolfsteiner, C., Durlofsky, L. J., & Aziz, K. (2000). Efficient estimation of the effects of wellbore hydraulics and reservoir heterogeneity on the productivity of non-conventional wells. Presented at the Proceedings of the Society of Petroleum Engineers Asia Pacific Conference on Integrated Modelling.
- Wallstrom, T. C., Hou, S., Christie, M. A., Durlofsky, L. J., Sharp, D. H., & Zou, Q. (2000). Effective medium boundary conditions for upscaling relative permeabilities. Presented at the Proceedings of the 7th European Conference on the Mathematics of Oil Recovery.
- Yeten, Y., Wolfsteiner, C., Durlofsky, L. J., & Aziz, K. (2000). Approximate finite difference modeling of the performance of horizontal wells in heterogeneous reservoirs. Presented at the Proceedings of the Society of Petroleum Engineers Western Regional Meeting.
- Castellini, A., Edwards, M. G., & Durlofsky, L. J. (2000). Flow based modules for grid generation in two and three dimensions. Presented at the Proceedings of the 7th European Conference on the Mathematics of Oil Recovery.
- Wen, X. .-H., Durlofsky, L. J., Lee, S. H., & Edwards, M. G. (2000). Full tensor upscaling of geologically complex reservoir descriptions. Presented at the Proceedings of the Society of Petroleum Engineers Annual Technical Conference and Exhibition.
- Tchelepi, H. A., Durlofsky, L. J., Chen, W. H., Bernath, A., & Chien, M. Ch. (1999). Practical use of scale up and parallel reservoir simulation technologies in field studies.
*SPE RESERVOIR EVALUATION & ENGINEERING*,*2*(4), 368-376. - Wallstrom, T. C., Hou, S. L., Christie, M. A., Durlofsky, L. J., & Sharp, D. H. (1999). Accurate scale up of two phase flow using renormalization and nonuniform coarsening.
*COMPUTATIONAL GEOSCIENCES*,*3*(1), 69-87. - Mascarenhas, O., & Durlofsky, L. J. (1999). Scale up in the vicinity of horizontal wells. Presented at the Proceedings of the 20th Annual International Energy Agency Workshop and Symposium.
- Wallstrom, T. C., Hou, S., Christie, M. A., Durlofsky, L. J., & Sharp, D. H. (1999). Application of a new two-phase upscaling technique to realistic reservoir cross sections. Presented at the Proceedings of the Symposium of the Society of Petroleum Engineers.
- Chambers, K. T., DeBaun, D. R., Durlofsky, L. J., Taggart, I. J., Bernath, A., & Goggin, D. J. (1999). Geologic modeling, upscaling and simulation of faulted reservoirs using complex, faulted stratigraphic grids. Presented at the Proceedings of the Society of Petroleum Engineers Reservoir Simulation Symposium.
- Durlofsky, L. J. (1998). Coarse scale models of two phase flow in heterogeneous reservoirs: volume averaged equations and their relationship to existing upscaling techniques.
*COMPUTATIONAL GEOSCIENCES*,*2*(2), 73-92. - Durlofsky, L. J., & Milliken, W. J. (1998). Upscaling of geologic models for reservoir simulation. Presented at the Proceedings of the 19th Annual International Energy Agency Workshop and Symposium.
- Durlofsky, L. J., Jones, R. C., & Milliken, W. J. (1997). A nonuniform coarsening approach for the scale-up of displacement processes in heterogeneous porous media.
*ADVANCES IN WATER RESOURCES*,*20*(5-6), 335-347. - Durlofsky, L. J. (1997). Use of higher moments for the description of upscaled, process independent relative permeabilities.
*SPE Journal*,*2*. - Lee, S. H., Durlofsky, L. J., Lough, M. F., & Chen, W. H. (1997). Finite difference simulation of geologically complex reservoirs with tensor permeabilities.
*SPE Reservoir Evaluation and Engineering*. - Durlofsky, L. J., Jones, R. C., & Milliken, W. J. (1994). A new method for the scale up of displacement processes in heterogeneous reservoirs.
*ECMOR IV - 4TH EUROPEAN CONFERENCE ON THE MATHEMATICS OF OIL RECOVERY, TOPIC C: SCALE CHANGE PROCEDURES*, 19-37.

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