Search Results - "Chassagne, Romain"

A pragmatic investigation of the objective function for subsurface data assimilation problem by Chassagne, Romain, Aranha, Claus

“…One of the main mechanisms of an optimization problem is the effectiveness and relevance of the objective function. In the context of an optimization problem…”
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Multivariate imputation via chained equations for elastic well log imputation and prediction by Hallam, Antony, Mukherjee, Debajoy, Chassagne, Romain

“…Well logging is essential in studies which require an understanding of the subsurface geology and depositional conditions. Unfortunately, the measurements are…”
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Optimization of subsurface models with multiple criteria using Lexicase Selection by He, Yifan, Aranha, Claus, Hallam, Antony, Chassagne, Romain

“…Seismic History Matching (SHM) is a key problem in the geosciences community, requiring optimal parameters of a subsurface model that match the observed data…”
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Optimization of oil reservoir models using tuned evolutionary algorithms and adaptive differential evolution by Aranha, Claus, Tanabe, Ryoji, Chassagne, Romain, Fukunaga, Alex

“…In the petroleum industry, accurate oil reservoir models are crucial in the decision making process. One critical step in reservoir modeling is History…”
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Silicic acid flux to the ocean from tidal permeable sediments: A modeling study by Chassagne, Romain Louis, Lecroart, Pascal, Beaugendre, Héloïse, Capo, Sylvain, Parisot, Jean-Paul, Anschutz, Pierre

“…Sandy sediments of tidal beaches are poor in reactive substances because they are regularly flushed by significant flow caused by tidal forcing. This transport…”
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Fitness landscape analysis for assisted seismic history matching problems by Mitchell, Paul, Chassagne, Romain

“…Abstract Despite over 20 years of research, assisted seismic history matching (ASHM) remains a challenging problem for the energy industry. ASHM is an…”
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Fitness landscape analysis for seismic history matching problems of subsurface reservoirs by Mitchell, Paul, Chassagne, Romain

“…Abstract Despite over twenty years of research, assisted seismic history matching (ASHM) remains a challenging problem for the energy industry. ASHM is an…”
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A new geometrical approach for fast prediction of front propagation by Chassagne, Romain, Dambrine, Julien, Obiwulu, Niki

“…The challenge to predict the future is the very reason why we developed sophisticated methods to integrate data, whatever the domain of application. In the…”
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Uncertainty Quantification of Contaminated Soil Volume with Deep Neural Networks and Predictive Models by Guridi, Ignacio, Chassagne, Romain, Pryet, Alexandre, Atteia, Olivier

“…The estimation of the soil volume exceeding a contamination threshold over decommissioned industrial sites is critical for the design of remediation…”
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Modeling of capillary-driven flows in axisymmetric geometries by Chassagne, Romain, Dörfler, Fabian, Guyenot, Michael, Harting, Jens

“…•An extension of the Lucas–Washburn equation is proposed.•It describes capillary-driven flows in non-straight geometries.•The proposed model is then verified…”
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Predicting beach profiles with machine learning from offshore wave reflection spectra by Disdier, Elsa, Almar, Rafael, Benshila, Rachid, Al Najar, Mahmoud, Chassagne, Romain, Mukherjee, Debajoy, Wilson, Dennis G.

“…Tracking and forecasting changes in coastal morphology is vital for development, risk reduction, and overall coastal management. One challenge of current…”
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Comparison of map metrics as fitness input for assisted seismic history matching by Hallam, Antony, Chassagne, Romain, Aranha, Claus, He, Yifan

“…Abstract Assisted seismic history matching (ASHM) is an optimisation problem that incorporates 4D seismic data as a constraint upon a reservoir simulation…”
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Binary 4D seismic history matching, a metric study by Chassagne, Romain, Obidegwu, Dennis, Dambrine, Julien, MacBeth, Colin

“…This paper explores 4D seismic history matching and it specifically focuses on the objective function used during the optimisation with seismic data. The…”
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Atmospheric CO.sub.2 exchanges measured by eddy covariance over a temperate salt marsh and influence of environmental controlling factors by Mayen, Jérémy, Polsenaere, Pierre, Lamaud, Ãric, Arnaud, Marie, Kostyrka, Pierre, Bonnefond, Jean-Marc, Geairon, Philippe, Gernigon, Julien, Chassagne, Romain, Lacoue-Labarthe, Thomas, Regaudie de Gioux, Aurore, Souchu, Philippe

“…Within the coastal zone, salt marshes are atmospheric CO.sub.2 sinks and represent an essential component of biological carbon (C) stored on earth due to a…”
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Atmospheric CO 2 exchanges measured by eddy covariance over a temperate salt marsh and influence of environmental controlling factors by Mayen, Jérémy, Polsenaere, Pierre, Lamaud, Éric, Arnaud, Marie, Kostyrka, Pierre, Bonnefond, Jean-Marc, Geairon, Philippe, Gernigon, Julien, Chassagne, Romain, Lacoue-Labarthe, Thomas, Regaudie de Gioux, Aurore, Souchu, Philippe

“…Within the coastal zone, salt marshes are atmospheric CO2 sinks and represent an essential component of biological carbon (C) stored on earth due to a strong…”
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4D seismic study of the Volve Field - an open subsurface-dataset by Hallam, Tony, MacBeth, Colin, Chassagne, Romain, Amini, Hamed

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Atmospheric CO2 exchanges measured by eddy covariance over a temperate salt marsh and influence of environmental controlling factors by Mayen, Jérémy, Polsenaere, Pierre, Lamaud, Éric, Arnaud, Marie, Kostyrka, Pierre, Bonnefond, Jean-Marc, Geairon, Philippe, Gernigon, Julien, Chassagne, Romain, Thomas Lacoue-Labarthe, Aurore Regaudie de Gioux, Souchu, Philippe

“…Within the coastal zone, salt marshes are atmospheric CO2 sinks and represent an essential component of biological carbon (C) stored on earth due to a strong…”
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An iterative strategy for contaminant source localisation using GLMA optimization and Data Worth on two synthetic 2D Aquifers by Essouayed, E., Verardo, E., Pryet, A., Chassagne, R.L., Atteia, O.

“…A contaminant source localisation strategy was developed considering unknown heterogeneous hydraulic conductivity field, unknown dispersivity and unknown…”
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Quantitative In Situ Enhanced Oil Recovery Monitoring Using Nuclear Magnetic Resonance by Mitchell, Jonathan, Staniland, John, Chassagne, Romain, Fordham, Edmund J.

“…Quantitative in situ monitoring of oil recovery from sedimentary rock is demonstrated for the first time using advanced two-dimensional (2D) nuclear magnetic…”
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The buffering capacity of a small estuary on nutrient fluxes originating from its catchment (Leyre estuary, SW France) by Canton, Mathieu, Anschutz, Pierre, Poirier, Dominique, Chassagne, Romain, Deborde, Jonathan, Savoye, Nicolas

“…This work studied the impact of a small estuary (a 4 km-long estuary, at the interface between the Leyre River and the Arcachon lagoon, SW France) with a short…”
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