... 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...

..., 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...

... 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 glass Micromodel experimental data micromodel...

... (1) Λ = a + b C f α miscible method fractional flow theory information enhanced recovery upstream oil & gas heterogeneity modeling & simulation fluid dynamics wag ratio miscible flood saturation equation pixel scale fractional flow theory flood oil...

... 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...

... block equation of state viscosity black oil model 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...

... 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...

.... Continuous Slug Injection as a Limiting Case A limiting case of WAG is continuous gas slug injection, which occurs in the limit of zero WAG ratio or when there is only one WAG cycle. Bermudez 28 presents a detailed research study of slug injection in both homogenous and heterogeneous reservoirs...

... gas were to be injected at a water alternating gas (WAG) ratio of 1:1. The injected solvent was first contact miscible with reservoir oil at the HCMF operating pressure of 2500 psia and reservoir temperature of 144 °F. The solvent consisted of an enriched solution gas stream. Mitsue Gilwood Sand...

...-wet cores occurred at a WAG ratio of 0:1, i.e., continuous solvent injection. Improved sweep associated with WAG processes can not be demonstrated in linear core floods. Jackson et al. 15 had studied the effect of rock wettability on the optimum WAG ratio in a quarter five-spot model. They found...

... 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...

... 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...

... 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...

... 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...