... Abstract Fluid-rock interactions can modify certain reservoir properties, notably porosity, permeability, wettability, and capillary pressure, and they may significantly influence fluid transport, well injectivity, and oil recovery. The profound influence of low-salinity-brine flooding...

.... The need for new faster screening methods stems from the challenge of making robust forecasts for naturally fractured carbonate reservoirs. First order uncertainties including the distribution and properties of natural fractures, matrix heterogeneity and wettability can all negatively impact on recovery...

... values. In addition the charge of the oil/water interface tends to increase negatively with decrease in salinity for a fixed pH . Such behavior highlights the key role played by the pH to achieve recovery which occurs in the repulsive force regime when both charges exhibit negative signs. By invoking...

... of the local transient approach relative to steady state upscaling methods. steady state recovery diffusivity equation Upstream Oil & Gas boundary condition PSS reservoir simulation calculation effective transmissibility characteristic time society of petroleum engineers effective...

... Summary Low Salinity Waterflood (LSW) is an emerging Enhanced Oil Recovery (EOR) method that is simple to implement and has been shown to yield substantial increase in oil recovery over conventional waterflood, especially in oil-wet sandstone reservoirs. The mechanism for increased oil recovery...

... chemical flooding methods enhanced recovery Efficiency SPE Journal sweep efficiency oil saturation injection water flood Upstream Oil & Gas co 2 WAG Modeling & Simulation viscosity saturation reservoir recovery injectivity Oil Recovery reservoir model polymer flood...

... permeability on production and cumulative oil recovery in diatomaceous reservoirs was also analyzed. The pressure dependent permeability term accounts for the effect of rock mechanical properties on recovery. This important aspect has been neglected so far and we believe it to be one of the reasons causing...

... constant. It is shown that TDBA can significantly improve the flash calculations in the two-phase region. reservoir simulation approximation simulation recovery modeling & simulation simulation time two-phase region composition pvt measurement csat calculation upstream oil & gas...

... procedure is utilized to reduce the number of optimization iterations and computing time required to solve this difficult optimization problem. Economic indicators (e.g. net present value, incremental rate of return, capital efficiency, discounted payback, etc.) or oil/gas recovery are maximized subject...

... and applied economically. The predictive simulation and methodology to scale up such a complex process will reduce the risk of failure of field projects. A chemical compositional reservoir simulator with the capability to model oil recovery from mixed-wet carbonate rocks in both static imbibition and dynamic...

... geologic realization. Adjoint-based gradients approximate the sensitivities of a suitable objective function with respect to well locations. These sensitivities guide the iterative search with improving directions that progressively maximize the ultimate recovery. The main advantage of the adjoint method...

.... Wettability alteration drives the oil production at the early stage, but gravity is the major driving force afterwards. Surfactants which alter the wettability to a water-wet regime give higher recovery rates for higher IFT systems. Surfactants which cannot alter wettability give higher recovery for lower IFT...

... Modeling & Simulation node pipe network scaling method reservoir simulation discretization fracture network procedure Artificial Intelligence Upstream Oil & Gas heterogeneity recovery decimation matrix equation permeability transmissibility fractured reservoir...

... in the static properties, faulting, and fluid-rock dynamic properties. Uncertainties included both distinct scenarios and continuous distributions. multiple choices around well placement, drainage strategies with and without injection, and scheduling are included. Ultimate recoveries, profiles, and ultimate...

..., aquifer size, skin, and vertical permeability. Well location is optimized for cases with uncertain parameters. data element recovery bayesian inference oil recovery response model machine learning reservoir simulation coefficient optimization permeability fluid dynamics objective function...

... index and entry capillary pressure on oil recovery by gravity drainage were investigated at both core scale and reservoir scale. The technique may be especially suitable for reservoirs in which it is difficult to measure relative permeability curves. Such reservoirs include gas-condensate reservoirs...

... of using the full-tensor field from homogenized fracture permeabilities is described. oil recovery discrete-fracture model yi-kun yang permeability flow in porous media fluid dynamics application full-tensor multiphase flow simulation discrete-fracture model spe 66348 upstream oil & gas...

... heterogeneity were used to define reservoir simulation models with upscaled permeabilities and relative permeabilites. Displacement and transmissibility reduction across faults were explicitly modeled and compared with simpler assumptions. The main performance measure used is oil recovery and GOR at the five...

... Abstract The proper treatment of oil recovery from vugs is an important part of evaluating a triple porosity reservoir. This paper evaluates the rate of oil recovery from isolated vugs, that is vugs that are not connected to the fracture system. Simulations of triple porosity systems are made...

... Abstract The viability of miscible WAG injection as an EOR scheme for the Magnus reservoir is under consideration. Performance prediction and optimization under this type of recovery mechanism, in which the residual oil is usually recovered by a multi-contact miscible (MCM) process, rely mostly...