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Free Download CMG (Computer Modelling Group) full version standalone offline installer for Windows. It develops market-leading reservoir simulation software, which is recognized worldwide.

Overview of CMG 2021 (Computer Modelling Group)

It develops market-leading reservoir simulation software, recognized worldwide. as the industry standard for advanced recovery processes. This continues its commitment to aligning your feedback with the delivery of technical excellence and support from our team. This release is the official 2021 General Release of CMG software.

The products within the General Release contain many new features and bug fixes. The release contains the following products as the industry standard for advanced recovery processes. Extends your capabilities and potential to improve business decisions and processes.

It identifies the best solution for your reservoir by combining advanced statistical analysis, machine learning, and non-biased data interpretation with your engineering expertise.

-Planar Fracture Template Input for Propped and Unpropped Zone
-Proppant Transportation in HF
-Cut-off Option in Property Distribution Data
-Cut-off for Discrete Fracture Segment

Features of CMG 2021 (Computer Modelling Group)

• Chemical Equilibrium and Mineral Reactions
• General Polymer Mixing Table
• Rock-Type Based Polymer Adsorption Properties
• Automatic Tuning Advancements
• PyControl
• New Option for Heat-Loss Calculations
• GEM Surface Network Modelling – IPR Correction
• Temperature Dependent Compaction and Dilation Tables

Technical Details and System Requirements

• Supported OS: Windows 11 / Windows 10 / Windows 8.1 / Windows 7
• Processor: Multicore Intel Series or above, Xeon or AMD equivalent
• RAM: 4GB (8GB or more recommended)
• Free Hard Disk Space: 4GB or more recommended

What’s New in IMEX 2022.10:

Thermal Black-Oil Modelling

IMEX is now able to efficiently solve the thermal energy conservation and model the temperature effects on fluid viscosities and other thermal induced reservoir physics.

The minimum thermal properties required are the specific heat for formation (*CP-ROCK) of each rock type and phase fluids (*CP-FLUID) in each PVT region. The bottom-hole temperature of any open injector must be provided by *INJ-TEMP. The initial reservoir temperature can be assigned per grid block (*TEMPER), as a depth function (*TEMPVD), or from the PVT region (*TRES).

Thermal conduction can be controlled by the grid block array *THCOND. Heat loss to over/underburden can be optionally included using *HEAT-LOSS (with *HLPROP), based on the semi-analytical Vinsome method.

The temperature dependence of liquid viscosities is introduced in a tabular form by *OILVISC-T and *WATVISC-T, which requires setting of the reference conditions (*VISC-REF) for system pressure and bubble-point pressure (and additionally API gravity for light-oil tracking, and salinity for Salt modelling).

For polymer injection, the thermal effect on mixture viscosity is achieved through defining the reference polymer viscosity as a function of temperature (*PVISC-T) for analytic mixing rules or using the general mixing table (*PMIX-TABLE). The polymer degradation half-life time and residual resistant factor can both be temperature dependent via keywords *POLY-DEGR-HL-T and *POLYRRF-T, respectively.

Temperature can be used as the interpolant among multiple relative permeability table sets (*INTCOMP *TEMPER). Thermal expansion effects can be achieved by specifying *TRPOR and *CTPOR.

Please refer to the relevant manual pages for technical details and the full set of new templates mxthrxxx.dat. In addition, mxgmc049.dat has also been included to illustrate the temperature-dependent (*GRTEMTAB) geomechanics coupling.

Proppant Transportation in HF (Beta)

The modelling of proppant transportation in hydraulic fractures (HF) has been implemented in IMEX, which simulates the major physical behaviors such as proppant advection flow, leak off and gravitational settling. It also includes the effects from particle collision, packing, blocking, and crashing during the injection and production operations. The design logic follows tightly with CMG’s existing HF workflow using the rock dilation path, without having to resort to the pure geomechanics, pre-setting the half-length of the fracture, or requirement for unloading, recompaction, and reloading data for fractured region. It allows for introduction of multiple proppants with varying mechanical properties at different fracking stages. This novel method has been demonstrated computationally efficient and thus is suitable for large field applications. Please refer to the manual page of keywords *PROPP-DEF and *PROPP-INJCONC for proppant definition and technical details, and the new templates mxsmo099.dat and mxsmo100.dat.

General Polymer Mixing Table

A general (4-D) polymer solution viscosity table (*PMIX-TABLE) has been implemented to provide the greatest flexibility for all combinations of the effects from polymer concentration, shearing, salinity, and temperature. This tabular form naturally reduces its dimensions when any of the mentioned effects is excluded. Please refer to the relevant manual pages for syntax details and the revised template mxspr026.dat.

Rock-Type Based Polymer Adsorption Properties

As an alternative to the permeability-based polymer-rock adsorption property input (*PPERM), the rock-type based (i.e., *RTYPE) input is now available through keyword *POLYROCK. Please refer to the relevant manual pages for syntax details and the revised template mxspr012.dat.

Enhancement on Rock Compaction / Dilation

The rock compaction / dilation modelling (*CROCKTAB / *CROCKTABE) has been improved by adding two new second dependences on the cumulative water flux (normalized by initial pore volume) using keyword *CROCKTABX, and on the temperature using keyword *CROCKTABT valid for thermal modelling. Please refer to the new templates mxsmo096.dat and mxsmo097.dat, respectively.

*INUNIT / *OUTUNIT *EXCEPT

The input and output unit conversion has been made more versatile, allowing selected quantities to be given units different from the dimensioned general unit systems. Please refer to the relevant manual pages for the alternative quantities and unit names, and the revised template mxfrr022.dat.

Weighting Factor for *BLOCKP5/9

A weighting factor has been introduced to provide more flexibility in calculating the averaged well block pressure over a 5-point or 9-point pattern. Please refer to the manual page for *OUTSRF *WELL *BLOCKP5/9.

Restart Backward Compatibility

Starting from this release of IMEX, restart backward compatibility will be maintained back to IMEX 2021.10. Note that restart compatibility requires that the restart run data be compatible with both the original run data and the newer version. The newer version may not give the same numerical performance or engineering results as the older version, due to changes (e.g., default settings) and improvements.

Grid Changes

Cutoff and Modify Property Distribution Data (PDD)

The *CUTOFF option after *PDD specifies a minimum conductivity below which the conductivity values will be filtered out. The *MOD option after *PDD modifies the original PDD data. The new keyword *PDD_NAME in a Planar Fracture Template is to associate a PDD with planar fractures created by the template. The PDD names supports wildcarding (? and *) so that the CUTOFF / MOD option can be applied to a group of PDDs. The fracture size (i.e., bi-wing lengths and heights) will be determined by the associated PDD and the cutoff operation applied to it.

Value Cutoff for *MINVAL and *MAXVAL

A replacement value can be given after *MINVAL / *MAXVAL. The new syntax is *MINVAL / *MAXVAL val1 val2 (while the old syntax is *MINVAL / *MAXVAL val1). If the candidate value is beyond the threshold val1 and the second value val2 has been specified, the candidate value will be replaced by val2 alternatively.

Propped and Unpropped Regions of Hydraulic Fracture

New sub-keywords *PROPPED_BWHLEN, *PROPPED_HEIGHTUP and *PROPPED_HEIGHTDOWN in the Planar Fracture Template can specify propped and unpropped regions in the fractured zone of a planar fracture. The new options *PROP and *UNPROP specify the property assignments for propped and unpropped regions, respectively. The propped region will be elliptical if *ELLIPTICAL_DISTRIBUTION is *ON. The propped/unpropped assignments are not affected by *KWPRIORITY and are always processed after all the other assignments have been completed.

Well Management Enhancements

New Constraints for Group Control

New constraints for group production control on bottom-hole fluid rates, BHO, BHG and BHW, have been added under *GCONP *MAX / *GTARGET. Please refer to the revised template mxwwm040.dat.

New Monitor for Producers

A new monitor constraint for production wells on the polymer (mass) to water (volume) ratio has been added under *MONITOR *PWR for layer or well control. Please refer to the revised template mxspr008.dat.

What’s New in cEDIT 2022.10:

The following improvements have been made in cEDIT 2022.10:

• Up-to-date list of 2022 simulator keywords for highlighting.

• Retain original file format. Leading whitespaces from each line in a file are no longer removed.

What’s New in CMOST-AI 2022.10:

• Improved file I/O exception handling during study xml file serialization when engine is running. The improvement is helpful for running CMOST on AWS cloud.

• Fixed a bug in student-t cumulative distribution function (CDF) calculation when t-ratio is very large.

• Fixed a bug on Engine Settings page that causes two Boolean properties not being saved to study xml file: Honor Parameter Hard Constraints when Creating New Experiments in DECE engine and Inertia Weight Auto Shrinking in Particle Swarm Optimization (PSO) engine.

• Able to reuse binary flux boundary input file specified by FLXB-IN keyword when creating simulation datasets in study folder.

• Improved “Run Selected Datasets” dialog on Experiments Table page to make it clear that there are unlimited number of concurrent jobs when users choose to run experiments manually.

What’s New in Launcher 2022.10:

The following new features and improvements have been made in Launcher 2022.

• The CMG_TEMP environment variable can now be used to specify the path where Launcher-generated files, such as batch scripts for job submission, are written.

• Fixed the issue where “Run simulator for one time-step only” option stays enabled in the submit dialog for Report simulations.

• Improved the message shown under Message column when there are currently no available processors after submitting a job.

What’s New in WinProp 2022.10:

General Simulation Output

• Added extra output lines in .out file for phase mass and volume compositions.

CCE Module

• Added negative flash option to CCE module for better handling the near-saturation pressure calculation.

Isenthalpic Flash

• Added an option to calculate the enthalpy value based on 2-phase flash for the given pressure and temperature.

• Implemented an option to do a series of isenthalpic flash for a given range of pressures, and to do various property plots as well.

GEM PVT

• Implemented GEM surface complexation reaction option.

Major Bug Fixes

• Improved GEM GHG component/mineral name shortening algorithm to eliminate possible name duplications among 3 reaction databases.

• Fixed bugs related to the GEM GHG Minteq.V4 aqueous reaction selection and missing Wolery mineral reaction string(s) after just read-in.

• Fixed a regression bug for parameter bound value(s) update.

• Fixed a bug for GEM LLV region plots.

• Fixed a bug for too-long GEM/STARS K-value table (mainly composition dependent tables) Y-titles.

• Fixed an issue for CH4 and N2 Henry-Constants calculation when the ENI (2012) CO2/H2S model is enabled.

What’s New in STARS 2022.10:

Simulator Changes

Numerical Control

*COMBINATIVE *AUTO is enabled by default when *AUTOTUNE *ON is used. When *COMBINATIVE is activated, *SOLVER *AIMSOL will be overwritten by *SOLVER *PARASOL with *PNTHRDS 2. It is possible to disable *COMBINATIVE without affecting the rest of *AUTOTUNE settings if the switch to *SOLVER *PARASOL is not desirable.

New keyword *PERFSCAN pre-scans all the wells and layers that will ever be defined during the run and generates the solver pointers only once, reducing the CPU time in solver pointer calculations. All the inactive wells and layers will be included in the solver’s linear system. Models with a large number of well changes will benefit the most from this option. See template “stsmo108.dat”.

Flexible Wellbore

New keyword *FLXPUMP adds a pump for tubing strings or annulus of producer wells. The specified well must be attached to an existing Flexible Wellbore. Sub-keyword *POWDPMAX specifies the pump power and the maximum allowed pressure increase. See template “stwwm163.dat”.

Flexible Wellbore blockage due to solid deposition (*FLX_WELLBORE *SOLID_BLOCK) can now be used with *SEGREGATION *NOSLIP.

“FRICTION & HEAT FOR FLEXIBLE WELLBORE” summary in the output file (enabled by *WPRN *FLEXWELL *FRICTION) now includes the well heat loss from annulus or tubing strings. The thermal resistance of wall (Wall_Res) for a tubing represents the summation of thermal resistances of tubing wall and insulation (if applicable). For an annulus, Wall_Res represents the summation of thermal resistances of rock, casing and cement. Fluid_Res represents the thermal resistance due to fluid convective movement.

New output *OUTSRF *FLEXLAYER *FLUIDENT represents the total fluid enthalpy inside a Flexible Wellbore, i.e. the molar weighted summation of enthalpies of all fluid components present in the mixture.

Well Separators

New keyword *WELSEP allows the definition of multi-stage surface separators for producer wells. Sub-keyword *STAGE specifies the pressure and temperature of each stage for two-phase flash calculations. Pressure and temperature for surface stream density calculation can be specified with sub-keyword *STREAM-DEN. New keyword *SKVTABLE specifies the K value table of components for surface separators (pressure and temperature limits can be defined with the new keyword *SKVTABLIM). New keyword *WELSEP-ICPRT controls the printing of separator stage compositions to the output file. See template “stwwm164.dat”.

Solver Changes

Combinative Preconditioner

With the new *COMBINATIVE sub-keyword *AUTO, the optimal choice between options *OFF, *AMG and *ILU is made dynamically by the simulator during the run. The selection algorithm considers the workload of each option by monitoring parameters such as implicitness level, the number of solver iterations per Newton cycle, and the average number of pressure iterations per solver cycle. See template “stsmo108.dat”.

Grid Changes

Property Distribution Data (PDD)

SIP input format can now be used with *PDD keyword. New sub-keyword *CUTOFF specifies the minimum conductivity below which the conductivity values are filtered out. New sub-keyword *MOD modifies the original PDD data. *CUTOFF and *MOD options can be applied to a group of PDDs using wildcards (? and *). See template “verify103.dat”.

New keyword *PDD_NAME in the Planar Fracture Template associates PDD data to the fracture created by the template.

Hydraulic Fractures

New sub-keywords *PROPPED_BWHLEN, *PROPPED_HEIGHTDOWN and *PROPPED_HEIGHTDOWN in the Planar Fracture Template specify the propped and unpropped regions in the fractured zone of a planar fracture. New options *PROP and *UNPROP specify the property assignments for the propped and unpropped fracture zones, respectively. The propped region will be elliptical if *ELLIPTICAL_DISTRIBUTION *ON is enabled. The propped/unpropped assignments are not affected by *KWPRIORITY and are always processed after all the other assignments have been completed.

Grid Property Input

New option for keywords *MAXVAL and *MINVAL provides more flexibility for replacing the input values, e.g. when *MAXVAL max_value (new value) is used and the candidate value is greater than max_value, the specified new_value is assigned.

DFN

New keyword *DFSCUTOFF specifies the level at which a discrete fracture segment’s pore volume is small enough to be considered zero. The affected blocks are flagged as NULL and removed from simulation.

Well Management Changes

Group Control Constraints

New constraints for group production control on bottom-hole oil rate (*BHO), gas rate (*BHG) and water rate (*BHW) are available for *GCONP *MAX and *GCONP *GTARGET options.

Triggers

New component-based triggers are available for *ON_WELL, *ON_GROUP and *ON_REPGRP options:

VRLS ‘comp_name’: volumetric component rate at surface conditions (produced oil phase)

VRVS ‘comp_name’: volumetric component rate at surface conditions (produced gas phase)

VRAS ‘comp_name’: volumetric component rate at surface conditions (produced water phase)

VRWSING ‘comp_name’: volumetric component rate at surface conditions (gas injection)

VRWSINJ ‘comp_name’: volumetric component rate at surface conditions (injection)

VCLS ‘comp_name’: volumetric component cumulative at surface conditions (produced oil phase)

VCVS ‘comp_name’: volumetric component cumulative at surface conditions (produced gas phase)

VCAS ‘comp_name’: volumetric component cumulative at surface conditions (produced water phase)

VCWSING ‘comp_name’: volumetric component cumulative at surface conditions (gas injection)

VCWSINJ ‘comp_name’: volumetric component cumulative at surface conditions (injection)

Template Dataset Changes

New Template Datasets

stgeo101.dat

Skempton and Mandel-Cryer Effects (triaxial with *GEOGRID)

stsmo108.dat

Test/Illustrate *COMBINATIVE *AUTO and *PERFSCAN

stwwm163.dat

Verify/Illustrate *FLXPUMP

stwwm164.dat

Verify/Illustrate *WELSEP, *STREAM-DEN, *WELSEP-ICPRT

verify103.dat

Verify/Illustrate SIP Format for *PDD

Changed Template Datasets

stwwm075.dat

Add *FW-COUPLING

stwwm097.dat

Add *FW-COUPLING

stwwm124.dat

Add *FW-COUPLING

stwwm132.dat

Add *FW-COUPLING

stwwm150.dat

Add *FW-COUPLING