In press:

1. F. O. Alpak, M. Pal, and K.-A. Lie. A multiscale method for modeling flow in stratigraphically complex reservoirs. SPE J., accepted
2. H. M. Nilsen, K.-A. Lie, and J. R. Natvig. Accurate modelling of faults by multipoint, mimetic, and mixed methods. SPE J., accepted.

In journals:

1. K.-A. Lie, J. R. Natvig, and H. M. Nilsen. Discussion of dynamics and operator splitting techniques for two-phase flow with gravity. Int. J Numer. Anal. Mod. (Special issue in memory of Magne Espedal), Vol. 9, No. 3, pp. 684-700, 2012.
2. R. A. Klausen, A. F. Rasmussen, and A. F. Stephansen. Velocity interpolation and streamline tracing on irregular geometries. Comput. Geosci. Vol. 16, No. 2, pp. 261-276, 2012. DOI: 10.1007/s10596-011-9256-0.
3. K.-A. Lie, S. Krogstad, I. S. Ligaarden, J. R. Natvig, H. M. Nilsen, and B. Skaflestad. Open source MATLAB implementation of consistent discretisations on complex grids. Comput. Geosci., Vol. 16, No. 2, pp. 297-322, 2012. DOI: 10.1007/s10596-011-9244-4.
4. V. L. Hauge, K.-A. Lie, and J. R. Natvig. Flow-based coarsening for multiscale simulation of transport in porous media. Comput. Geosci., Comput. Geosci., Vol. 16, No. 2, pp. 391-408, 2012. DOI: 10.1007/s10596-011-9230-x
5. J. R. Natvig, B. Skaflestad, F. Bratvedt, K. Bratvedt, K.-A. Lie, V. Laptev, and S. K. Khataniar. Multiscale mimetic solvers for efficient streamline simulation of fractured reservoirs. SPE J., Vol. 16, No. 4, pp. 880-880, 2011. DOI: 10.2118/119132-PA.
6. M. Krokiewski, I. Ligaarden, K.-A. Lie, D. W. Schmid. On the importance of the Stokes-Brinkman equations for computing effective permeability in carbonate karst reservoirs.Comm. Comput. Phys, Vol. 10, No. 5, pp. 1315-1332. DOI: 10.4208/cicp.290610.020211a
7. S. Krogstad, V. L. Hauge, and A. F. Gulbransen. Adjoint multiscale mixed finite elements. SPE J., Vol. 16, No. 1, pp. 162-171, 2011. DOI: 10.2118/119112-PA.
8. A. F. Gulbransen, V. L. Hauge, and K.-A. Lie. A multiscale mixed finite-element method for vuggy and naturally-fractured reservoirs. SPE J., Vol. 15, No. 12, pp. 395-403, 2010.  DOI: 10.2118/119104-PA.

In proceedings:

1. S. Krogstad. A sparse basis POD for model reduction of multiphase compressible flow. SPE 141973,  2011 SPE Reservoir Simulation Symposium, The Woodlands, Texas, USA, 21-23 February 2011.
2. F. O. Alpak, M. Pal, and K.-A. Lie. A multiscale method for modeling flow in stratigraphically complex reservoirs. SPE 140403, 2011 SPE Reservoir Simulation Symposium, The Woodlands, Texas, USA, 21-23 February 2011.
3. K.-A. Lie, S. Krogstad, I. S. Ligaarden, J. R. Natvig, H. M. Nilsen, and B. Skaflestad. Discretisation on complex grids -- Open source MATLAB implementation. Proceedings of ECMOR XII, Oxford, UK, 6-9 September 2010.
4. V. L. Hauge, K.-A. Lie, and J. R. Natvig. Flow-based grid coarsening for transport simulations. Proceedings of ECMOR XII, Oxford, UK, 6-9 September 2010.
5. I. Ligaarden, M. Krokiewski, K.-A. Lie, D. W. Schmid, M. Pal. On the Stokes-Brinkman equations for modeling flow in carbonate reservoirs. Proceedings of ECMOR XII, Oxford, UK, 6-9 September 2010.
6. A. F. Rasmussen. Streamline tracing on irregular geometries. Proceedings of ECMOR XII, Oxford, UK, 6-9 September 2010.
7. H. M. Nilsen and J. R. Natvig. Improved gravity splitting for streamline and reordering methods. Proceedings of ECMOR XII, Oxford, UK, 6-9 September 2010.

Preprints:

1. H. M. Nilsen, K.-A. Lie, J. R. Natvig, and S. Krogstad. Accurate modelling of faults by multipoint, mimetic, and mixed methods.
2. V. L. Hauge, K.-A. Lie, and J. R. Natvig. Flow-based grid coarsening for transport simulations.
3. I. Ligaarden, M. Krokiewski, K.-A. Lie, D. W. Schmid.  On the importance of the Stokes-Brinkman equations for computing effective permeability in carbonate karst reservoirs.