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Liquid saturation definition
Recently, I showed my simulation results to my colleagues. I was asked a question, what is the liquid saturation and gas saturation. I have tried to explain, but I was confused finally.…
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Question on DELV control
Hi again ! I have a question about the use of the Deliverability well control : What is the parameter HG in the GENER keyword used for ? What happens when it's defaulted ? (HG thickness of layer, m;…
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Can we used a Neumann boundary condition for temperature simulation in TOUGH2?
If I know the heat flux (18 W/m^2), should I use the Neumann boundary condition? can I use it in TOUGH2? Thanks
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TOUGH2Matlab
Dears, I would like to know if TOUGH2Matlab can be used to post-process the results obtained using TOUGH3. I have tried to use TOUGH2Matlab to read the MESH and OUTPUT files obtained using TOUGH3,…
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INCON format in the *203t ECO2n samples
In the samples for Tough3 ECO2n, there are several cases whose name ends in 203t where the INCON keyword looks strange to me. For each element, there are 6 lines for the values of the primary…
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Specifying material types for stratified heterogeneous reservoir
Dears, I am trying to model CO2 injection in heterogeneous aquifer that is composed of 23 layers with different porosity, permeability, and capillary pressure data.…
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How to simulate mixed gas injection with Toughreact v1.2
Hi I am trying to develop a model that is used to simulate a mixed gas to inject into a formation, and then get a gas-water- rock reaction model. The mixed gas includes CO2 and H2S and H2.…
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Inhibitor parameters in T+H
Browsing through the sample files I encountered the following two lines that sets up the inhibitor in the HYDRATE Section. In the manual, the following parameters are set for the variables…
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Conductive heat flow in output files?
Hi all, Is it possible to print specifically the conductive heat flow between two blocks? I believe the "HEAT" column in the output file and the COFT files contains all heat components (conductive,…
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Cross flow between stacked layers
Dears, Is there is a way in TOUGH3 to output mass flow rate between stacked layers (NOT grid cells) with time?
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Oxidation extension for TOUGHREACT
Hello everyone, I want to simulate the geochemical reaction of coal or shale after the injection of an oxidant such as persulfate. I wonder if I can simulate it by TOUGHREACT V1.2.…
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methane leak and plume migration in subsurface from hydrocarbon wellbores
Hi There, I would like to know what module would be best to simulate methane leakage and plume migration in the subsurface from hydrocarbon wellbores? I did some digging and came across some…
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Technical question regarding mass conservation in TOUGH3
Dears, I am trying to model CO2 injection in brine saturated aquifer using a 1D radial model. CO2 is injected with a constant rate (10 kg/s). Rate distribution throughout the reservoir in my case is…
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Need help for EOS8 test
Dear all, I am trying to set up a test model using EOS8. I have generated the input file INFILE, and the mesh file separately. The mesh information (ELEME and CONNE0 are listed in this file.…
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Specifying an injection well with a constant volumetric rate
Dears, I wonder if it is possible to define an injection well with a constant bottom hole injection rate (volumetric rate NOT mass rate) in TOUGH3/ECO2N using the GENER data block.…
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Gridding specific offset connections
Hi, I have received a sim input file with a 2D grid that has a couple of elements outside the main grid space and such elements have multiple connections with specific elements of the main grid.…
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MINC processing for fractured media
Dear all Members, Hi, I am working on fluid flow modeling in fractured media and I am using MeshMaker 1.5 to for MINC processing and mesh making. After entering the command codes,…
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General question about Capillary Pressure
In terms of flow I still struggle to understand the reasons/use of having capillary pressure as an option in ROCKS. How different is flow when it is disabled?…
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Executable or Source code?
Hello everyone, I copy and paste this question from THOUGHREACT Forum because some people may also can help me with this basic issue. In the upcoming days,…
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How to deactivate the mutual solubility of CO2 - Brine mixture in TOUGH3/ECO2N
Dears, I am trying to model CO2 injection in saline aquifer reservoir. I would like to know if there is an option in TOUGH3/ECO2 to deactivate the mutual solubility between CO2 and brine.…
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TOUGH2; grids; running time too long
Hi! I used TOUGH2 for a transient fluid flow analysis (total time for 1 year) using grids showed in the figure. Element volumes range from 1.0e-04 to 2.0e-1.…
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Parallel execution of simulation using TOUGH3 in windows
Dears, I am trying to run a simulation case using TOUGH3/ECO2 in windows and the simulation run lasts for a long time (more than 24 hr for numerical model 1650*10 grid blocks).…
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TOUGH3 on PC: CPU timing routine
I recently used Ubuntu terminal to install TOUGH3 on a Windows 10 Laptop. In order to compile, I had to change a call to the CPU timing routine. In the esd-toughlib source code, file parallel_stubs.…
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Incomplete simulation run
Hi, I have a problem with the attached simulation INFILE. The simulation terminates before the specified simulation time (only 0.778 s out of 10 years).…