Search Results - "Joachim, Moortgat"
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Viscous and gravitational fingering in multiphase compositional and compressible flow
Published in Advances in water resources (01-03-2016)“…•Compositional effects on multiphase flow instabilities are investigated numerically.•Composition dependence of densities and viscosities affects…”
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2
Hydrothermodynamic mixing of fluids across phases in porous media
Published in Geophysical research letters (28-04-2017)“…We investigate the coupled dynamics of fluid mixing and viscously unstable flow under both miscible (single‐phase) and partially miscible (two‐phase)…”
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3
Dissolution Trapping of Carbon Dioxide in Heterogeneous Aquifers
Published in Environmental science & technology (05-07-2017)“…The geologic architecture in sedimentary reservoirs affects the behavior of density-driven flow and the dispersion of CO2-rich brine. The spatial organization…”
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Estimating Compressional Velocity and Bulk Density Logs in Marine Gas Hydrates Using Machine Learning
Published in Energies (Basel) (01-12-2023)“…Compressional velocity (Vp) and bulk density (ρb) logs are essential for characterizing gas hydrates and near-seafloor sediments; however, it is sometimes…”
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Numerical Modeling of Methane Leakage from a Faulty Natural Gas Well into Fractured Tight Formations
Published in Ground water (01-03-2018)“…Horizontal drilling and hydraulic fracturing have enabled hydrocarbon recovery from unconventional reservoirs, but led to natural gas contamination of shallow…”
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6
Geographic axes and the persistence of cultural diversity
Published in Proceedings of the National Academy of Sciences - PNAS (26-06-2012)“…Jared Diamond’s Guns, Germs, and Steel [Diamond J, (1997) Guns, Germs, and Steel (WW Norton, NY)] has provided a scientific foundation for answering basic…”
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Impacts of Methane on Carbon Dioxide Storage in Brine Formations
Published in Ground water (01-03-2018)“…In the context of geological carbon sequestration (GCS), carbon dioxide (CO2) is often injected into deep formations saturated with a brine that may contain…”
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Hydrocarbon‐Rich Groundwater above Shale‐Gas Formations: A Karoo Basin Case Study
Published in Ground water (01-03-2018)“…Horizontal drilling and hydraulic fracturing have enhanced unconventional hydrocarbon recovery but raised environmental concerns related to water quality…”
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9
Organic pore heterogeneity and its formation mechanisms: Insights from the Lower Cretaceous lacustrine Shahezi shale in the Songliao Basin, NE China
Published in Energy exploration & exploitation (01-01-2022)“…Pores associated with organic matter are well known to play a significant role in shale gas capacities. However, an extremely high heterogeneity of organic…”
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10
Quantitative characterization of organic pore structure from gas adsorption in Lower Cretaceous lacustrine shales in the Songliao Basin, NE China
Published in Lithosphere (2021)“…Organic matter (OM) pores are widely considered to be important for gas storage and transportation. In this work, we quantitatively analyze the pore structure…”
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11
Adaptive implicit finite element methods for multicomponent compressible flow in heterogeneous and fractured porous media
Published in Water resources research (01-01-2017)“…This work presents adaptive implicit first‐order and second‐order discontinuous Galerkin (DG) methods for the transport of multicomponent compressible fluids…”
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12
Reservoir simulation with the cubic plus (cross-) association equation of state for water, CO2, hydrocarbons, and tracers
Published in Advances in water resources (01-04-2018)“…•Cubic-plus-association equation-of-state accurately predicts phase behavior of water, hydrocarbons, and CO2 mixtures.•Non-linearity of EOS complicates…”
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13
Viscosification of CO2 to improve subsurface storage — A modeling study
Published in International journal of greenhouse gas control (01-10-2023)“…In this work, we numerically investigate the potential benefits of a recently proposed functional molecule that can both significantly increase the viscosity…”
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14
Reservoir simulation with the cubic plus (cross-) association equation of state for water, CO^sub 2^, hydrocarbons, and tracers
Published in Advances in water resources (01-04-2018)“…This work presents an efficient reservoir simulation framework for multicomponent, multiphase, compressible flow, based on the cubic-plus-association (CPA)…”
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15
Fickian Diffusion in Discrete-Fractured Media from Chemical Potential Gradients and Comparison to Experiment
Published in Energy & fuels (17-10-2013)“…Fickian diffusion can be an important oil recovery mechanism from fractured reservoirs by gas injection, especially when gravitational drainage is inefficient…”
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16
Higher-order compositional modeling of three-phase flow in 3D fractured porous media based on cross-flow equilibrium
Published in Journal of computational physics (01-10-2013)“…Numerical simulation of multiphase compositional flow in fractured porous media, when all the species can transfer between the phases, is a real challenge…”
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17
On the pressure and temperature dependence of adsorption densities and other thermodynamic properties in gas shales
Published in Chemical engineering journal (Lausanne, Switzerland : 1996) (01-09-2020)“…•Methane adsorption is analyzed for 12 shale samples up to 15 MPa and from 35 to 120.•Temperature and pressure dependent adsorption layer densities are…”
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18
New Three-Phase Multicomponent Compositional Model for Asphaltene Precipitation during CO2 Injection Using CPA-EOS
Published in Energy & fuels (21-04-2016)“…Numerical modeling of asphaltene precipitation in petroleum reservoirs is important in relation to possible precipitation around the wellbore in the producing…”
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19
Higher-order black-oil and compositional modeling of multiphase compressible flow in porous media
Published in International journal of multiphase flow (01-08-2018)“…We present continuum-scale modeling of multiphase compressible flow in porous media with applications to hydrocarbon reservoir engineering. A new black-oil…”
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20
Reexamining supercritical gas adsorption theories in nano-porous shales under geological conditions
Published in Fuel (Guildford) (01-03-2021)“…•BET and OK adsorption models are revisited for supercritical conditions.•8 adsorption models with pressure-dependent densities are compared.•Enthalpy of…”
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