The Open Porous Media (OPM) initiative is a community effort that encourages open innovation and reproducible research for simulation of porous media processes. OPM coordinates collaborative software development, maintains distributes open-source data sets, seeks to ensure these are available under free license in long-term perspective. In this paper, we present Flow, which reservoir simulator developed industrial use, as well some the individual components used make Flow. descriptions apply...

Abstract Subsurface storage of is an important means to mitigate climate change, and the North Sea hosts considerable potential resources. To investigate fate over decades in vast reservoirs, numerical simulation based on realistic models essential. Faults other complex geological structures introduce modeling challenges as their effects operations are subject high uncertainty. We present a computational framework for forward propagation uncertainty, including stochastic upscaling copula...

Abstract An open-source flow simulator (OPM Flow) has been developed for modelling of in porous media. This is an extended black oil simulator, including thermal modelling, salinity, and CO2 storage aquifers with several corresponding EOS functionalities. The OPM Flow implemented on real asset models hydrocarbon production, ensembles simulation models. also used CCS saline (Carbon Capture Storage). paper describes the experiences using software studies producing assets. supports Multi...

Summary History matching involves adjusting model parameters to achieve an improved fit between observed and simulated data. Traditional methods for history matching, such as ensemble modeling, are often computationally intensive time-consuming, especially when dealing with large datasets complex reservoir models. This study introduces innovative methodology, building on recent work the "Hybrid Newton" method, that leverages machine learning non-linear preconditioning accelerate process, a...

Abstract Cataclastic deformation bands, which are common in sandstone reservoirs and may negatively affect fluid flow, generally associated with notable thickness variations. It has been suggested previously that such variations represent an important control on how bands flow. The effects of tested this study though statistical analysis flow simulation array cataclastic Cretaceous sandstones the Bassin de Sud‐Est Provence, France. Spatial outcrop data statistically analyzed for...

Constitutive functions that govern macroscale capillary pressure and relative permeability are central in constraining both storage efficiency sealing properties of CO2 systems. for porous systems part determined by wettability, which is a pore-scale phenomenon influences displacement. While wettability saline aquifers caprocks assumed to remain water-wet when injected, there recent evidence contact angle change due long-term exposure. Weakening forces alters the saturation dynamically over...

Discrete fracture models are an attractive alternative to upscaled for flow in fractured media, as they provide a more accurate representation of the characteristics. A major challenge discrete simulation is overcome large computational cost associated with resolving individual fractures large-scale simulations. In this work, two characteristics porous media utilized construct efficient preconditioners discretized equations. First, tailored geometry and presumed properties so that dominant...

In simulation of fluid injection in fractured geothermal reservoirs, the characteristics physical processes are severely affected by local occurence connected fractures. To resolve these structurally dominated processes, there is a need to develop discretization strategies that also limit computational effort. this paper, we present an upscaling methodology for heat transport with fractures represented explicitly grid. The modeled advection-conduction equation temperature, and solved on...

Abstract In this work, we present a workflow of first-order static approximations together with dynamic simulations on the Troll Aquifer model. The consist pressure-limited storage capacity based maximum allowable overpressure (with respect to fracture pressure threshold) closed system, and injectivity index calculations map suitable areas model place injection sites. Based conservative choices parameters, was 300-500 Mt. showed that in northern part were most suited for sites, but south...

Abstract An open-source framework is presented for the development and evaluation of machine learning (ML) assisted Data-Driven models carbon dioxide (CO2) enhanced oil recovery (EOR) processes to predict production CO2 retention. This generated inputs outputs two cases water alternating gas (WAG) injection using Python packages a reservoir simulator, which were subsequently used train test supervised algorithms. The main objective was increase speed, robustness, accuracy predicting...

Abstract A well-planned CO 2 EOR operation can help meet an ever-increasing need for energy and at the same time reduce total footprint from production. Good simulation studies are crucial investment decisions where increased oil recovery is optimized balanced with permanent storage. It common to use a compositional simulator injection accurately calculate PVT properties of mixture . Compositional simulations have significantly compared blackoil simulations. Large many used either represent...

Summary Local forward-mode automatic differentiation for high performance parallel pilot-level reservoir simulation. Robust simulation requires accurate linearization and involve complex property evaluations dynamics. Handcoded Jacobian derivative calculations require significant resources to maintain change, when taking into account all needed features industrially relevant simulations. Automatic (AD) is a technique which gives machine precision accuracy of derivatives while requiring...

Abstract Scope Accurate numerical modeling of fluid transport is essential in reservoir management. Higher-order methods help to improve accuracy by reducing the diffusion, which common for all first order methods. In this paper, we present an implementation a MUSCL-type second-order finite volume method and demonstrate its capabilities on 2D 3D unstructured grids. This includes corner point grids that are typically used modeling. Methods, Procedures, Process A second compared standard terms...

An open reservoir simulator applicable for field scale simulations of CO2 storage and CO2-EOR simulation studies is developed. In this paper we present a general overview the describing important design choices made to facilitate simulations. Emphasis put on efficient robust handling uncertainties in model description by considering an ensemble realizations. The capability demonstrated through case example, where injected into hundred realizations Norne model.

Abstract Solubility trapping involves dissolution of supercritical carbon dioxide (CO $$_\text {2}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mmultiscripts> <mml:mrow/> <mml:mtext>2</mml:mtext> </mml:mmultiscripts> </mml:math> ) into the resident brine and is considered an important mechanism for any Carbon Capture Storage (CCS) project. Previous experimental numerical studies indicate that density-driven convective mixing can greatly enhance solubility trapping, thus a...