... Abstract The effectiveness of subsurface CO 2 storage is intrinsically tied to our understanding of how geological heterogeneity—particularly at the pore scale—influences multiphase flow behaviour. This is especially true in carbonate formations, where the inherent complexity and spatial...

... stratigraphy knowledge management hydraulically flow unit integration laminated gas reservoir onshore romania drilling campaign accumulation field redevelopment plan heterogeneity Introduction The increasing global energy demand has driven the oil companies to explore solutions for maximizing...

... Abstract A 2D numerical modeling study of underground hydrogen storage (UHS) in depleted gas fields, with properties from Dutch fields, is presented. The study quantifies the impact of reservoir properties (dispersivity, heterogeneity, permeability and dip), well configuration, and choice...

.... geologist pressure transient testing application reservoir data quality drillstem/well testing drillstem testing interpretation fokker aquifer fourier transformation frequency heterogeneity water resource research storage salina borello information availability geology pressure transient...

... (4) d τ d r = 1 α ( x → ) ,   τ = r α ( x → ) Here, r is the propagation distance of the pressure front. Assuming that the DTOF contour is aligned with the pressure contour in reservoir media with smoothly varying heterogeneity...

... Abstract Due to the maturity of water-flooded oil reservoirs, as a consequence of heterogeneity, fluids move preferentially through the most permeable layers, leaving large volumes of mobile oil unswept. Injection of oil-in-water (O/W) dispersions can regulate the permeability contrast between...

... the mass difference between injected and produced fluids recorded at wells into 3D grid blocks. On this basis, we perform real-time flow diagnostics to evaluate the dynamic heterogeneity of the instantaneous displacement flow field which can be used for making effective and opportune decisions to improve...

... was carried out to identify important factors for UHS. The following parameters were investigated: permeability contrast, vertical to horizontal permeability ratio, reservoir heterogeneity, binary diffusion coefficient, and pressure dependent diffusion. In addition, the effects of numerical dispersion...

... Abstract We investigate the effect of heterogeneous petrophysical properties on Low Salinity Water Flooding (LSWF). We considered reservoir scale models, where the geological properties were obtained from a giant Middle East carbonate reservoir. The results are compared against a typical...

... and absolute permeability as well as ( b ) parameters of relative permeability models. Three scenarios are assessed, accounting for spatial distribution of porosity and absolute permeability with differing degrees of complexity and corresponding to ( i ) homogeneous; ( ii ) randomly heterogeneous; and ( iii...

... Abstract The significant quantities of oil contained in fractured karst reservoirs in Brazilian pre-salt fields adds new challenges to the development of upscaling procedures to reduce time on numerical simulations. This work aims to represent multiscale heterogeneities in reservoir simulators...

... results provide insight into how clay content may affect CO 2 /sandstone reaction in the presence of permeability/mineralogy heterogeneity. In addition, it highlights the control of clay content on rock petrophysical parameter evolution, thus its significance in modelling CO 2 injection in sandstone...

... reservoirs mature, marginal fields development and management is becoming increasingly important. Early identification of high degree reservoir heterogeneity served as starting point for an in-depth analysis for both, geologist and reservoir engineer. This paper describes complex approach applied during...

... network modeling. This method enables the calculation of transmissibility (or permeability) during the transition to pseudo steady state (PSS) flow, and provides more information about the internal heterogeneity of the lattice sample than the long time PSS response. These extensions are motivated in part...

... the geological correlation length is small compared to the total length of the model, Peclet is high and dispersion is low: the fine grid heterogeneous model with small correlation length tends to respond like a homogeneous equivalent model. Abstract Two upscaling exercises performed in 2013-14 and 2017-18...

... enhanced recovery Modeling & Simulation flow in porous media Fluid Dynamics surfactant model heterogeneity imbibition laboratory experiment Oil Recovery Upstream Oil & Gas relative permeability experiment surfactant injection capillary pressure curve surfactant...

...Methodology Abstract Carbonate reservoirs are extremely challenging for reservoir modeling and flow simulation due to their high heterogeneity and the complexity of controls on the porosity and permeability. The porosity and permeability may be connected or weakly connected, which can cause...

... early time behaviour, assume a pseudo-steady state situation, and do not account for sub-grid size heterogeneity in matrix rock properties which may affect transfer rates. Despite these drawbacks, only the shape factor is normally adjusted during history matching, which may lead...

... Although there have been many field scale numerical simulation studies done to evaluate the effect of heterogeneity on the performance of hydrocarbon reservoirs, very limited effort has been focused on evaluating such effects at the core scale or using experiments. Pande and Orr [28] used...

... Three different fine grid models were created with the same boundary and grid sizes (grid size of 5ft × 5ft × 150 layers (corresponding to ~2ft) for all three models), but with different levels of heterogeneity as per: WAG in Heterogeneous Reservoirs Reservoir heterogeneity effect on WAG...