Black Oil &
Unconventional Simulator

IMEX, one of the world's fastest black oil simulators, is used to model primary and secondary oil recovery processes in conventional and unconventional reservoirs.

Conventional Reservoirs: Accurate and Fast
Model simple to structurally complex, heterogeneous, oil and gas reservoirs, using small to very large scale multi-million grid cell models to achieve reliable production forecasts.

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  • Model under-saturated and saturate oils, volatile oils, gas condensates, dry and wet gas reservoir fluid systems
  • Choose from multiple gridding options: Cartesian, radial, areal orthogonal and fully non-orthogonal corner point grids
  • Model naturally fractured reservoirs and gravity segregation processes using the multiple dual continuum options
  • Achieve rapid history matching and optimization of reservoir management workflows by seamlessly interfacing with CMOST

Secondary Oil Recovery: Improve Reservoir Deliverability
Evaluate and optimize field development plans and predict recovery for primary and secondary recovery methods in complex and heterogeneous reservoirs.

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  • Predict and compare reservoir performance by applying: water injection, polymer injection, pseudo-miscible gas injection, in continuous and WAG mode
  • Implement polymer related processes by modelling adsorption, polymer degredation, shear thinning and non-linear viscosity mixing
  • Inject chase gas with different properties than the solution gas

iSegWell: Intelligent Segmented Wells
Accurately and realistically model the flow and pressure change throughout the wellbore branches, tubing strings and equipment. Optimize well completions and downhole equipment with iSegWell

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  • Advanced wellbore modelling tool fully coupled to reservoir simulator
  • Wellbore modelling for gravity and friction pressure losses (horizontal and multi-lateral wells, downhole equipment, tubing)
  • Increase well capability by simultaneously optimizing well design and reservoir productivity
  • Define and use advanced flow control devices (FCDs) to optimize injection and production strategy
Unconventional Reservoirs: Efficient Production Forecasts
Use one of the most sophisticated tools for modelling naturally or hydraulically fractured reservoirs to accurately capture transient flow behavior and to achieve better production forecasts.

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  • Logarithmically-spaced, locally-refined (LS-LR) grids for accurate and efficient modelling of naturally or hydraulically fractured reservoirs
  • Model longitudinal or transverse bi-wing hydraulic fractures and complex hydraulic fracture networks through a stimulated reservoir volume (SRV)
  • Achieve better propped fracture characterization, history matching and forecasting with imported third-party hydraulic fracture simulation data
  • Model variation in permeability along the length of the fracture to more realistically capture field conditions
  • Accurately model the matrix-fracture and matrix-matrix transfer in naturally fractured reservoirs
  • Utilize various correlations to capture the effect of non-Darcy flow inside hydraulic fractures
  • Ability to characterize geometry, shape and size of the SRV using microseismic data
  • Achieve more reliable gas-in-place and reserves estimates by modelling adsorption gas contribution to production in shale and CBM reservoirs
  • Optimize well and fracture spacing to increase production, NPV and EUR

Coupled Surface Network Modelling: Optimize from Reservoir to Point of Delivery
Create explicitly-coupled subsurface and surface network models, including onshore gas storage fields and deep water offshore oil and gas fields.

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  • Couple to third-party surface network simulators to model more complex (e.g. looped) surface networks
  • Coupled system modelling allows engineers to trouble-shoot bottlenecks in the entire reservoir and surface network system

Performance: Optimize Efficiency and Throughput
CMG's solver and parallelization technology maximizes hardware potential and provides you with software that runs large, complex simulation jobs in the shortest amount of time.

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  • Decrease project turn-around time
  • Run more simulation jobs simultaneously and get results faster than before
  • Additional parallelization increases parallel speed-up when jobs are submitted on a higher number of cores
  • Reduce capital expenditures with efficient use of current IT hardware, no annual upgrades required
  • Quickly load results of large models using the new standardized and compressed SR3 files to maximize productivity