Johan Olav Helland har PhD i petroleumsteknologi fra Universitetet i Stavanger (2005) og MSc i anvendt matematikk fra Universitetet i Bergen (2001). Hans forskningsinteresser er knyttet til modellering og simulering av transport og flerfasestrøm for utvinning og lagring i porøse medier. Han har utviklet numeriske metoder og poreskalamodeller for trefasestrøm som kan simulere fluidkonfigurasjon, kapillartrykk, hysterese, og komplekse grenseflatefenomen, direkte på segmenterte bilder av porestrukturen.
Johan Olav Helland
Seniorforsker
jhel@norceresearch.no
+47 51 87 52 26
Prof. Olav Hanssensvei 15, 4021 Stavanger, Norway
Divisjon
Energi og Teknologi
Forskergrupper
Computational Geosciences and Modelling
Mer info om Johan
Prosjekter
Publikasjoner
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Vitenskapelig kapittelWorkflow for Direct Pore-Scale Simulation of Relative Permeability and Capillary Pressure Curves with Hysteresis at Low Capillary Numbers– 2024
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KonferanseforedragOstwald ripening of trapped gas in the presence of oil and water in subsurface storage – A level set pore-scale modelling approach– Porelab Lecture Series 2024
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KonferanseforedragOstwald ripening of trapped gas in the presence of oil and water in subsurface storage – A level set pore-scale modelling approach– Shell Pore Scale Physics Seminar 2024
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Vitenskapelig artikkelRipening of Capillary-Trapped CO2 Ganglia Surrounded by Oil and Water at the Pore Scale: Impact of Reservoir Pressure and Wettability– Energy & Fuels 2024
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Vitenskapelig artikkelOstwald ripening of gas bubbles in porous media: Impact of pore geometry and spatial bubble distribution– Advances in Water Resources 2024
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KonferanseforedragOstwald ripening of trapped gas in the presence of oil and water in subsurface storage– InterPore Norway 2023 2023
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Vitenskapelig artikkelConstrained optimization of offshore wind turbine positions under uncertain wind conditions with correlated data– Journal of Physics: Conference Series (JPCS) 2023
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Vitenskapelig artikkelMachine learning for underground gas storage with cushion CO2 using data from reservoir simulation– IOP Conference Series: Materials Science and Engineering 2023
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KonferanseforedragAdvanced Gas and Carbon Dioxide Storage in the Aquifer - A Machine Learning Approach– 24th World Petroleum Congress 2023
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KonferanseforedragMachine learning for underground gas storage with cushion CO2 using data from reservoir simulation– Computational Methods and Ocean Technology, COTech 2023 2023
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Vitenskapelig artikkelPrediction of Optimal Production Time during Underground CH4 Storage with Cushion CO2 Using Reservoir Simulations and Artificial Neural Networks– Energy & Fuels 2023
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KonferanseforedragOstwald ripening of trapped gas in the presence of oil and water in subsurface storage– InterPore Norway 2023 2023
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KonferanseforedragOstwald ripening of trapped gas in the presence of oil and water in subsurface storage– The CSSR conference 2023
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Vitenskapelig artikkelAdaptive mesh refinement in locally conservative level set methods for multiphase fluid displacements in porous media– Computational Geosciences 2023
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KonferanseforedragOstwald ripening: Bubble distribution evolution in porous media– SIAM 2023 - Conference on Mathematical & Computational issues in the Geosciences 2023
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Vitenskapelig artikkelPore-scale Ostwald ripening of gas bubbles in the presence of oil and water in porous media– Journal of Colloid and Interface Science 2023
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KonferanseforedragPore-scale Ostwald ripening of residually trapped CO2 in the presence of oil and water at immiscible and near-miscible conditions– Interpore 2023 2023
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KonferanseforedragA pore-scale level-set approach to Ostwald ripening of gas bubbles in porous media in the presence of residual oil and water– Interpore 2022 2022
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Vitenskapelig artikkelA level set approach to Ostwald ripening of trapped gas bubbles in porous media– Transport in Porous Media 2022
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KonferanseforedragA level set approach to Ostwald ripening of real gases in porous media– InterPore2021 - 13th International Conference on Porous Media 2021
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Vitenskapelig artikkelA Discrete-Domain Approach to Three-Phase Hysteresis in Porous Media– Water Resources Research 2021
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Vitenskapelig artikkelOn the relationship between capillary pressure, saturation, and interfacial area for three-phase flow in water-wet porous media– Advances in Water Resources 2021
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Vitenskapelig artikkelPore-scale modelling of three-phase capillary pressure curves directly in uniformly wet rock images– Geofluids 2021
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Vitenskapelig artikkelA locally conservative multiphase level set method for capillary-controlled displacements in porous media– Journal of Computational Physics 2021
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KonferanseforedragIntegrated SCAL solutions for improved oil recovery– Technical committee meeting 2020
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KonferanseforedragThree-phase capillary trapping in porous media– 3rd National Workshop on Porous Media 2019
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KonferanseforedragSimulation of capillary-dominated three-phase flow experiments on 3-D bead packs– Interpore 2019 2019
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Vitenskapelig artikkelA multiphase level set approach to motion of disconnected fluid ganglia during capillary-dominated three-phase flow in porous media: Numerical validation and applications– Chemical Engineering Science (CES) 2019
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KonferanseforedragSimulation of Capillary Trapping in Three-Phase Displacement Using a Locally Conservative Level Set Approach– Workshop i anledning IOR Norway 2019 2019
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KonferanseforedragSimulation of Capillary Trapping in Three-phase Displacement using a Level Set Approach with Local Volume Preservation– SIAM Conference on Mathematical & Computational Issues in the Geosciences (GS19) 2019
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Vitenskapelig artikkelPore-Scale Level Set Simulations of Capillary-Controlled Displacement with Adaptive Mesh Refinement– Transport in Porous Media 2019
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KonferanseforedragThree-phase capillary pressure, hysteresis and trapping in mixed-wet rock drainage– COREC seminar 2018 2018
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KonferanseforedragThree-phase Capillary Pressure, Hysteresis and Trapping in Mixed-Wet Rock– COREC Seminar 2018 2018
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KonferanseforedragThree-phase capillary pressure, hysteresis and trapping in mixed-wet rock– COREC seminar 2017 2017
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Vitenskapelig artikkelFootprints of spontaneous fluid redistribution on capillary pressure in porous rock– Geophysical Research Letters 2017
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Vitenskapelig kapittelPore-scale simulation of three-phase capillary pressure and trapping on 3D rock images– 2017
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Vitenskapelig artikkelOn the estimation of CO2 capillary entry pressure: Implications on geological CO2 storage– International Journal of Greenhouse Gas Control 2017
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KonferanseforedragPore-scale simulation of three-phase capillary pressure and trapping on 3D rock images– IOR NORWAY 2017 - 19th European Symposium on Improved Oil Recovery 2017
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KonferanseforedragPore-scale simulation of three-phase gas and water invasion processes on 3D rock images– 9th International Conference on Porous Media & Annual Meeting 2017 (Interpore 9) 2017
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Vitenskapelig artikkelExperimental validation of a pore-scale-derived dimensionless capillary pressure function for imbibition under mixed-wet conditions– SPE Journal 2017
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Vitenskapelig artikkelMechanisms for trapping and mobilization of residual fluids during capillary-dominated three-phase flow in porous rock– Water Resources Research 2016
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KonferanseforedragExperimental validation of a pore-scale derived dimensionless capillary pressure function for imbibition under mixed-wet conditions– 78th EAGE Conference & Exhibition including SPE EUROPEC 2016
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KonferanseforedragLevel-set simulation of capillary-controlled displacement on the pore scale with mixed wettability– 8th International Conference on Porous Media and Annual Meeting (Interpore 8) 2016
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KonferanseforedragOn the effect of wettability, hysteresis, and spreading films on three-phase fluid flow in porous media– 8th International Conference on Porous Media and Annual Meeting (Interpore 8) 2016
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KonferanseforedragLevel set approach for multiphase motion with isolated ganglia on the pore scale– 8th International Conference on Porous Media and Annual Meeting (Interpore 8) 2016
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Vitenskapelig artikkelComputation of three-phase capillary pressure curves and fluid configurations at mixed-wet conditions in 2D rock images– SPE Journal 2016
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KonferanseforedragThree-phase capillary pressure, hysteresis and trapping in mixed-wet rock– COREC Seminar 2015
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KonferanseforedragModelling of snap-off mechanisms during three-phase flow in porous media– 7th International Conference on Porous Media & Annual Meeting of the International Society of Porous Media 2015
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KonferanseforedragThree-phase fluid displacements on the pore scale: method and mechanisms– IOR NORWAY 2015 2015
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KonferanseforedragSimulation of capillary-controlled three-phase displacements in realistic pore geometries– IOR-OPM Workshop 2014
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KonferanseforedragPore-Scale Modelling– Corec Seminar 2014
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KonferanseforedragSPE 170883: Computation of three-phase capillary pressure curves and fluid configurations at mixed-wet conditions in 2D rock images– SPE Annual Technical Conference and Exhibition 2014
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KonferanseforedragVariational level set method for volume-preserving motion of a disconnected oil phase during three-phase flow in porous media– 6th International Conference on Porous Media & Annual Interpore Meeting 2014
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KonferanseforedragNUMERICAL SIMULATION OF CAPILLARY-CONTROLLED THREE-PHASE DISPLACEMENTS ON 3D ROCK IMAGES– International Symposium of the Society of Core Analysts 2014
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Vitenskapelig kapittelOn the Dependence og Capillary Entry Pressure with Subsurface Depth in Geological CO2 Storage– 2014
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Vitenskapelig artikkelComputation of three-phase capillary entry pressures and arc menisci configurations in pore geometries from 2D rock images: A combinatorial approach– Advances in Water Resources 2014
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Vitenskapelig artikkelPore-Scale Modeling of Waterflooding in Mixed-Wet-Rock Images: Effects of Initial Saturation and Wettability– SPE Journal 2014
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KonferanseforedragSimulation of Three‑Phase Capillary Pressure Curves Directly in 2D Rock Images– The International Petroleum Technology Conference 2013
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KonferanseforedragComputation of three-phase fluid configurations at the pore scale by a variational level set method– SIAM Geosciences 2013 2013
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Vitenskapelig artikkelDynamic capillary pressure curves from pore-scale modeling in mixed-wet-rock images– SPE Journal 2013
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Vitenskapelig artikkelA level set method for simulating capillary-controlled displacements at the pore scale with nonzero contact angle– Water Resources Research 2013
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Vitenskapelig artikkelA Dimensionless Capillary Pressure Function for Imbibition Derived From Pore-Scale Modeling in Mixed-Wet-Rock Images– SPE Journal 2013
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KonferanseforedragA variational level set method for simulation of capillary-controlled displacements– XIX International Conference on Computational Methods in Water Resources 2012
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KonferanseforedragA three-dimensional variational level set method for simulating multiphase displacements at the pore scale– AGU Fall Meeting 2012 2012
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Vitenskapelig kapittelDynamic Capillary Pressure Curves from Pore-Scale Modelling in Mixed-Wet Rock Images– 2012
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Vitenskapelig kapittelPore-Scale Modelling of Water Flooding in Mixed-Wet Rock Images: Effects of Initial Saturation and Wettability– 2012
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Vitenskapelig kapittelA Dimensionless Capillary Pressure Function for Imbibition Derived from Pore-Scale Modelling in Mixed-Wet Rock Images– 2012
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KonferanseforedragA Model for Imbibition in Pore Spaces from 2D Rock Images– Flows and mechanics in natural porous media 2011
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KonferanseforedragThree-dimensional level set modelling of capillary-controlled displacements in digital porous media– 2011 AGU Fall Meeting, American Geophysical Union 2011
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Vitenskapelig artikkelA semi-analytical model for computation of capillary entry pressures and fluid configurations in uniformly-wet pore spaces from 2D rock images– Advances in Water Resources 2010
