... displacements, including hydrogen storage, geothermal production, and aquifer CO 2 sequestration. upstream oil & gas wag ratio modeling & simulation carbonate reservoir stylolite flow in porous media fluid dynamics oil production prediction co 2 retention fraction complex reservoir...

... patterns, reservoir heterogeneity, and permeability anisotropy on optimal WAG ratios. Optimal is defined as being at minimal net CO 2 utilization ratios or maximal oil production rates). Simulations of CO 2 EOR show that the optimal WAG ratio for the ROZs is less than 1 (ratio of injected water and CO 2...

... amount of nanoparticles to the brine can enhance residual oil recovery. miscible method emulsion experiment machine learning Upstream Oil & Gas WAG ratio recovery enhanced recovery Brine silica nanoparticle micromodel experiment Artificial Intelligence concentration Exhibition...

... fluid dynamics wag ratio miscible flood saturation equation pixel scale fractional flow theory flood oil recovery flow in porous media displacement mobility ratio pixel scale injection condition oil bank reservoir Introduction Solvents, such as carbon dioxide, are shown...

... experiment Upstream Oil & Gas PVI waterflood gas injection method displacement WAG ratio gasflood 5-spot model production well quarter 5-spot model miscible method WAG injection WAG flood sweep efficiency reservoir slimtube injection Oil Recovery SPE 102764 Sweep Efficiency...

... slug solvent injection. For the cases studied, the sweep efficiency increases with the WAG ratio, but this result cannot be generalized. Reservoir hetrogeneity also affects the sweep. Gravity override is observed in WAG simulations with the vertical (X-Z) crossection. Oil recovery is low in the lower...

... miscible solvents are identified by conducting slimtube experiments for a medium viscosity oil (78 cp). Coreflood experiments are conducted to determine microscopic displacement efficiency as a function of WAG ratio. Quarter 5-spot experiments are conducted to infer sweep efficiency in a 3D geometry...

... saturation profile dispersion gas injection mmp experiment wag ratio reservoir simulation miscible gas injection project applied permeability compositional simulation pvt measurement miscible method spe annual technical conference gas injection method petroleum engineer psia gas injection...

... the literature. The sensitivity of the laboratory-scale oil recovery to relative permeability, pressure and solvent composition is studied. The sensitivity of oil recovery in a 2D quarter five-spot pattern to relative permeability, WAG ratio, slug size is also studied. CO 2 – NGL mixture is a very effective...

... on local displacement efficiency and sweep efficiency. The main conclusions of this research show that the richer the gas above the MME, the fewer the number of WAG cycles required for maximum oil recovery at a given WAG ratio. Another significant observation is that over-enrichment above the MME improves...

...) displacements are also conducted at various WAG ratios and viscosity ratios. Fractional flow analysis and numerical simulation are used to understand these displacements. Experiments show that macroscopic viscous fingering is present in adverse viscosity immiscible displacements where no saturation shock...

... the large quantities of data associated with the miscible flood project. Lastly, the chase gas optimization efforts undertaken since original project design are discussed. The Hybrid finite-difference/streamtube technique has been used to modify the chase gas injection slug size and WAG ratio. gas...

... permeability drill site saturation waterflood valve slug size enhanced recovery upstream oil & gas iwag wag ratio gas injection method united states government geologist performance rock type water management immiscible water-alternating-gas clastic rock miscible method kuparuk river...

... testing of changes to CO 2 slug size and WAG ratio tapering sequence. New methods for managing the WAG process based on injection pattern performance and economic triggers have been adopted. We have completed an initial comparison of predicted versus actual performance for injection patterns with tapered...

... stratified reservoir brent reservoir efficiency flow in porous media gas saturation etive layer wag injection wag cycle hysteresis wag ratio gravity ratio injection rate injection scheme Introduction WAG injection is a potential method for improving secondary and tertiary oil recovery...

... of West Texas. A layered-type reservoir description was initially used to investigate the effect of water- altemating-gas (WAG) ratio with various combinations of well types. We then investigated the effect of vertical permeability, length, and position of the horizontal injector using the same reservoir...

... has shown that on balance, CO-2 injection projects have performed better than anticipated and offer a significant opportunity for improving ultimate recovery from existing reserves. enhanced recovery wag process wag ratio co-2 utility co-2 flood industry experience production response co...

... wetting state, alternate injection of water and CO 2 gas (WAG), and total CO 2 slug size on secondary and tertiary extra oil recovery. Laboratory model results in the water-wet beadpack show an optimum WAG ratio of 0:1 (continuous slug process) for tertiary floods, while the same floods in oil-wet...