www.cmgl.ca TECHNICAL SPECS ADVANCED PROCESSES & THERMAL RESERVOIR SIMULATOR APPLICATIONS THERMAL Steam-Assisted Gravity Drainage (SAGD) Expanding-Solvent SAGD (ES-SAGD) Steam, hot water & hot solvent injection) Cyclic Steam Stimulation (CSS) Thermal VAPEX In-situ combustion (air injection) High & Low Temperature Oxidation (HTO & LTO) Electrical & Radio Frequency (RF) heating CHEMICAL EOR Alkaline Surfactant Polymer (ASP), SP, ASG VAPEX Low salinity water flooding Microbial EOR Emulsions, gels & foams Reservoir souring Middle phase (emulsion) viscosity modelling COMPLEX WELLBORE MODELLING Flow Control Devices (FCD’s) Transient flow Multiple tubing strings Liquid accumulation Electrical & steam pre-heating GEOMECHANICS Compaction & subsidence Dilation & creep Rock failure (cap rock) SOLIDS TRANSPORT & DEPOSITION Fines transport Cold Heavy Oil Production with Sands (CHOPS) Asphaltene precipitation, flocculation, deposition & plugging Wax precipitation Coke deposition FEATURES USER-DEFINED COMPONENTS & KINETIC REACTIONS K-value compositional PVT formulation Simulate formation/breaking of emulsions & foams Liquid density, viscosity & adsorption defined with standard correlations and tables Reaction kinetics for rate-temperature-concentration dependent processes for combustion or ASP floods Heat capacity data & temperature dependence of all properties Multiple solids reactions DISPERSED COMPONENTS MODEL Multi-stage, multi-component gelation and syneresis Suspended fines Shear table with multiple components Salinity effects for multiple salt components WELLS & RECURRENT DATA Multi-lateral well support Frictional pressure drop & heat loss (SAM) Accurate well index in 3D Thermal hydraulic tables Discretized wellbore Surface network coupling Gas recycle and make-up gas injection Additional option for injected/recycled gas composition definition (version 2015) Specify Geometrical characteristics & steam injection quality for multiple wells (version 2015) Report heat transfer to & from well streams (version 2015) Well head pressure stability constraint (version 2015) Specify range of acceptable well indices values (version 2015) BENEFITS Accurately model the physics of all in-situ recovery processes Multi-scale modelling from core floods to field-scale Increase confidence in field development plans and support capital expenditures Capable of modelling dispersed components and simulate formation of emulsions and foams, and predict asphaltene precipitation & deposition Design accurate SAGD well pairs Seamless integration with CMOST™ for rapid, accurate history matches and uncertainty analysis, while leveraging limited engineering time
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SOLIDS TRANSPORT & DEPOSITION � Fines transport � Cold Heavy Oil Production with Sands (CHOPS) � Asphaltene precipitation, flocculation, deposition & plugging
� Wax precipitation � Coke deposition
FEATURESUSER-DEFINED COMPONENTS & KINETIC REACTIONS � K-value compositional PVT formulation � Simulate formation/breaking of emulsions & foams � Liquid density, viscosity & adsorption defined with standard correlations and tables
� Reaction kinetics for rate-temperature-concentration dependent processes for combustion or ASP floods
� Heat capacity data & temperature dependence of all properties
� Multiple solids reactions
DISPERSED COMPONENTS MODEL � Multi-stage, multi-component gelation and syneresis � Suspended fines � Shear table with multiple components � Salinity effects for multiple salt components
WELLS & RECURRENT DATA � Multi-lateral well support
� Frictional pressure drop & heat loss (SAM) � Accurate well index in 3D
� Thermal hydraulic tables � Discretized wellbore � Surface network coupling � Gas recycle and make-up gas injection
� Additional option for injected/recycled gas composition definition (version 2015)
� Advanced numerical tuning controls for highly complex fractured reservoirs for improved numerical performance and run time
� Design re-injection of produced gas projects with new gas injection keywords
� Optimize SAGD wellbore design through improved reporting on conductive heat transfer between different flow streams, pressure at various points across a FCD
FEATURES (CONTINUED)
COMPLEX FLEXIBLE WELLBORE MODEL (FLEXWELL) � Accurately handles
� Vertical refinement � Fracture permeability model � Shale breakage when in contact with steam � Permeability vs. pressure relationship � Model rock in natural fracture void space
geomechanical properties � Mechanistic 3D compaction/dilation modelling � Matrix permeability as function of stress or strain � User porosity – rigorous implantation of 3rd party
geomechanics � Control method used to compute stress return
to the yield surface � Specify cutting plane algorithm approach for
Mohr-Coulomb and Drucker-Prager models � Failure safety factor output � Geomechanical input on per-grid-block basis � Permeability decoupling option (version 2015) � Parallelized Jacobian matrix building & residual
computation (version 2015)
CMG simulators have a base set of common modules to ensure compatibility, speed and quality of output consistent
GRID PROCESSING � Local grid refinement (LGR) � Cartesian � Cylindrical � Fully non-orthogonal corner point grids � Transmissibility multipliers � Corner-point to node-based grid conversion