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TMVOC
hello,everyone.I am currently working on a simple pollutant leakage simulation model, and the initial flow field has been simulated. When proceeding to the next step of simulating point source…
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RELP as a function of a VOC mole fraction
Hi everyone, I would like to make the relative permeability of the gas phase a function of the mole fraction of the the first VOC. Actually, the first VOC, in this case,…
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TMVOC to conduct an initial flow field simulation
Hello, I am currently using TMVOC to conduct an initial flow field simulation. However, after completing all the necessary settings and running the programme, no results are produced.…
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ECO2N/T2WELL to initialize a depleted reservoir (low pore pressure)
Dear TOUGH/T2WELL Users. I’m modeling CO₂ injection with T2WELL + ECO2N. The injection point is at the wellhead (top wellbore element). With a hydrostatic initialization I can inject CO₂ through the…
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ECO2N production & injection, convergence failure
Hello everyone, I'm interesting in reservoir compaction, so I need to product and inject CO2. And I'm getting an error message when I run my file. I think I'm having trouble about PCAP,…
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Unexpected temperature increase at the bottom grid
Hello everyone, I am simulating the evaporation process in the vadose zone (1-D) using EOS3 (via PetraSim). When I activate molecular diffusion, I notice an unexpected temperature increase at the…
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Framework for processed water injection
Hello everyone This is a rather simple problem but I would like to ensure my thought process behind this problem make sense. I would like to inject processed water (with specific ion concentrations)…
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warning: V2=0 in GasMixVisc
Hi All!, What does the following warning means? What may be the cause? FAILURE IN LINEAR EQUATION SOLVER warning: V2=0 in GasMixVisc I run TOUGH3 + ECO2N V2.…
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What is the temperature and pressure range of TMVOC?
I want to use TMVOC for CO2 storage in depleted gas reservoirs, but I'm not clear about its temperature and pressure range and couldn't find it in the manual.…
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Questions Regarding Local Refinement and Mesh Size Limitations (number of elements)
1. Local Mesh Refinement I am importing my mesh from ECLIPSE and not using the MeshMaker utility. I would like to apply local refinement, similar to the approach shown in the snippet below.…
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Thermodynamic Database for CO₂ Storage in Icelandic Basalts
Hello everyone, I've been running sample problem 5 on CO₂ storage in sandstone using TOUGHREACT V3.32. I'm interested in running this problem considering a basaltic formation, however,…
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INCON not creating correctly from INPUT (very new user)
Hello! I am in the early stages of learning how to run TOUGH2. I have been provided an INPUT file (titled "sam7c3"). When I try to run the program, I get an error in the OUTPUT that states "CANNOT…
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Time dependent DELV (PI/BH)
Dear community, I am trying to use a DELV source type to match some well data. However, every well start at producing at a different time. Then, it is needed to make them available at different times.…
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Help Needed: EOS3 Non-convergence in Compressed Air Injection into Aquifer
Help! TOUGH2 EOS3 simulation of compressed air injection into aquifer fails after few steps. Adjusting parameters/time steps didn't work. Seeking root causes & debugging tips!
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How to implement anisotropic permeability tensors and unstructured mesh in TOUGH3?
Hi everyone, I'm working on a model involving complex geological structures with anisotropic flow behavior, and I'm planning to use TOUGH3 because of its support for full permeability tensors and…
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Invitation for TOUGH4 testing
TOUGH4 is the next generation of TOUGH codes, featuring numerous advancements and enhanced modeling capabilities. More information can be obtained from the following webpage: https://lbl-2.gitbook.…
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ECO2M CO2 Injection in Sandstone - Convergence Failure
help! TOUGH2 ECO2M simulation of CO2 injection into sandstone reservoir fails convergence after initial steps. Adjusted timesteps/parameters unsuccessfully.…
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Subject: Seeking Examples of TOUGH2-FLAC3D Coupling
Dear Professors/Colleagues, I am a researcher in geological engineering, currently conducting multi-field coupling numerical simulations. I urgently seek TOUGH2-FLAC3D coupling examples (e.g.…
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TOUGH+ 3D model fails to run after uniformly scaling down the mesh
Dear friends, I am currently conducting TOUGH-FLAC3D coupling calculations. I constructed a 100 × 50 × 50 model using FLAC3D, with 15, 7, and 7 grids in three directions respectively.…
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*** PETSC Solver failed to converge *** in parallel mode (TOUOGH3_v1.12- EOS1)
Hi, I have a problem with code parallelization. The code runs smoothly on my laptop, but as soon as I move to the HPC and use multiple processors, it says *** PETSC Solver failed to converge ***.…
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Infinite Acting Aquifer
I have a TOUGH3 model (EOS7C) that is showing signs that the model extent is not wide enough in the East and South directions (pressures increasing over time).…
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T2WELL/ECO2M phase transition issues
Dear TOUGH community, I am trying to model CO2 injection into a saline aquifer. I have a model using T2WELL/ECO2M for coupled modeling, but there is a problem with convergence......…
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TOUGHREACT Flow Monitoring
Hello, I am a new user of TOUGHREACT and am currently working on a simple problem of injecting CO2 into an aquifer. Is there a way to track the flow of fluids and heat between boundaries,…
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Reactive transport is off but still looking for solute.inp
I am trying to run a 2D model using TOUGHREACT v4.13. I have the reactive transport off but it still looks for the solute.inp when I run it. Any suggestions how to fix it?…
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Nucleation reactive surface area
Hi all, I'm running some models where calcite is not initially present but precipitates kinetically during the simulation. There is an option to have initial reactive surface area be very large at…

