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4
EOS7C poor convergence, e.g., in subroutine SOLIT
EOS7C v.1 models five components (water, brine, CO2 or N2, tracer, and CH4) and heat. Many users have noticed that time-step convergence can become poor during CO2 injection problems,…
Curt Oldenburg
Curt_Oldenburg
9 yrs ago
1,524
4
TOUGH2
3
Defining a multi-layered aquifer in TOUGH2
Dear All, I am trying to simulate a sandstone aquifer capped by two sealing layers (Shale and evaporite), so there are totally 3 layers in my model. I think there are two blocks in the input file…
Ramin
Ramin
8 yrs ago
17
replies
2,675
3
Andri Arnaldsson
3 yrs ago
TOUGH2
2
Question on the block of CONNE
Hello everyone, I have a question on the block of CONNE. Whether can I only input part of the connections between two cells instead of all the connections?…
Fang Wang
Fang_Wang
8 yrs ago
7
replies
2,227
2
Stefan Finsterle
8 yrs ago
TOUGH2
1
T2Well questions
Hi there, Starting to play around with T2Well and having good fun. ;) Two things (at least) that I didn't understood: 1- ROCKS data block: the domain name for wellbore cells starting with 'x'.…
Ludovic Ricard
Ludovic_Ricard
3 yrs ago
4
replies
300
1
jerryjames
6 mths ago
TOUGH2
1
T2Well constant fluid properties and EOS1 relationship?
Hi, I am currently modelling a wellbore with constant density, thermal conductivity and specific heat capacity thermophysical properties at surface temperature 40 degrees like so: Wella 2 1665.e00 1.…
Hannah Doran
Hannah_Doran
8 mths ago
7
replies
65
1
jerryjames
6 mths ago
TOUGH2
1
Temperature limits of various ECO2N versions
Hi Folks, Anybody can send me a few words on this: We have a version of ECO2N (as a part of iTough2.7.0.) which doesn't perform with T>103.4, same indication seen in CO2Tab data that is limited to…
Godarzi K
Godarzi_K
1 yr ago
2
replies
38
1
Godarzi K
1 yr ago
TOUGH2
1
Questions on NAPL volatile and dissolution
Hello everyone and Stefan, I have several questions on NAPL volatile and dissolution into water. Based on the manual, volatile is controlled by temperature,…
Fang Wang
Fang_Wang
8 yrs ago
6
replies
1,216
1
Somnus
2 yrs ago
TOUGH2
1
libgcc-s-dw2-1.dll & libgfortran-3.dll
I want to run executable file for Tough2 EOS7CA. I receive the following error messages: "The code execution cannot proceed because libgcc-s-dw2-1.dll was not found.…
Shirin
Shirin_Samani
3 yrs ago
2
replies
155
1
Brad Castleberry
2 yrs ago
TOUGH2
1
TOUGH-FLAC coupling
Hi, I am trying to use a coupled TOUGH-FLAC simulation on a reservoir model. I am just starting with a simple 'cube' model with uniform properties. I went through some of the works done by Jonny…
Sulav Dhakal
Sulav_Dhakal
3 yrs ago
3
replies
221
1
Brad Castleberry
2 yrs ago
TOUGH2
1
Actually, I need a software I could model the Coupling Thermo-Hydro-Mechanical damage.
I was wondering if this software(TOUGH2) is suit for this purpose or not. please let me know if you have any more information in this area. Thanks
somayeh
somayeh
8 yrs ago
7
replies
2,005
1
Stefan Finsterle
3 yrs ago
TOUGH2
1
How to define heterogeneity in TOUGH2-ECO2N
Hi I am a new TOUGH user. I am interested in learning about defining fluid injection models with TOUGH2. I would like to learn about building heterogeneous models - which Kx and Ky differ from one…
Xu
neon_hat
8 yrs ago
4
replies
817
1
Ramin
3 yrs ago
TOUGH2
1
Quick fix of a bug in ECO2N V2.0
In the ECO2N V2.0 User’s Guide, it says that setting IE(16)=1 invokes the CO2/brine mutual solubility formulation from ECO2N V1.0 for low temperature (<99C).…
Lehua Pan
moderator
Lehua_Pan
5 yrs ago
2
replies
497
1
Brad Castleberry
3 yrs ago
TOUGH2
1
Question on modeling landfill gas migration
Hi, Which module should I be using if I want to model landfill gas (mainly consisted of methane and carbon dioxide) migration in soil/liquid? I have heard of the EOS7C module,…
Hamid Amini
Hamid_Amini
8 yrs ago
2
replies
1,010
1
Ali Moradi
5 yrs ago
TOUGH2
1
Porosity, Permeability and Capillary Pressure Modification Block by Block
Hi All, I've read in TOUGH2 manual about how to change permeability and capillary pressure of each element using PMX column in element block. But I find some problem when I need to change…
Suhendi Cahli
Suhendi_Cahli
6 yrs ago
7
replies
1,369
1
Suhendi Cahli
5 yrs ago
TOUGH2
1
problems running an old TOUGH2 model
Hi. I am trying to run an old model that made by another student last year, and receive the following error message in the command prompt: forrt1: severe <64>: input conversion error, unit 5,…
Nora
Nora
8 yrs ago
7
replies
1,032
1
Andri Arnaldsson
6 yrs ago
TOUGH2
1
Atmospheric Boundary Conditions
Hi all, I am confused with the boundary conditions that have to be imposed in an atmospheric boundary element for simulating evaporation with TOUGH2 (or TOUGHREACT). In a few slides ( http://esd1.…
Anthony
Anthony.1
6 yrs ago
10
replies
1,911
1
Anthony
6 yrs ago
TOUGH2
1
problem with initiatal conditions eos3 diffusion of water vapor in water in unsaturated soil layer
Dear moderators in my problem i have to solve the diffusion of water vapor in water in unsaturated zone attached are the input file and mesh file i could not find the problem even i tried for long…
madi
madi
8 yrs ago
1
reply
945
1
Stefan Finsterle
6 yrs ago
TOUGH2
1
Circulating same produced fluid
Hi I am using TOUGH2-ECO2N module for CO2 injected into brine filled reservoir. I am trying to simulate where the produced fluid has to be circulated back into the system.…
Nagasree Garapati
Nagasree_Garapati
8 yrs ago
2
replies
687
1
Nagasree Garapati
6 yrs ago
TOUGH2
1
error message when using EXT.exe
Hello TOUGH users and specially Stefan, I need to export TOUGH2 results to Tecplot. I used EXT.exe but afte 6 timesteps this error message appears: forrt 1: severe <64> input conversion error,…
Youhanna
Youhanna
8 yrs ago
1
reply
746
1
Stefan Finsterle
6 yrs ago
TOUGH2
1
XAIRL in volume element with no liquid phase
Hello TOUGH users! I am simulating a simple diffusion problem with EOS3. In my model, I have a volume element which is fully saturated with air and the rest of volume elements are fully saturated…
Youhanna
Youhanna
8 yrs ago
1
reply
742
1
Stefan Finsterle
6 yrs ago
TOUGH2
1
Gas relative permeability: equation ???
Hello everybody, I have one question regard the document Tough v2, in "tough v2.0 manual" , we assume krg=1-krl if Sgr=0, we found that this is very strong assumption and which is not confirmed by…
Tran Van Quan
Tran_Van_Quan
6 yrs ago
2
replies
500
1
Tran Van Quan
6 yrs ago
TOUGH2
1
Time stepping in dry-out zones
Hello all, I know it is a general question, but any hint will be appreciated. I am running a 3D model of CO2 injection into a layered aquifer using the ECO2N module.…
Ravid
Ravid
7 yrs ago
4
replies
1,063
1
Ravid
7 yrs ago
TOUGH2
1
perm. factor
dear all, I want to ask the "perm. factor" in "set cell data", (ex: I want the domain area's K field mean=1E-13 and standard deviation=1E-14) Does it means that I can use Excel to generate a random…
MathewLin
MathewLin
7 yrs ago
2
replies
680
1
MathewLin
7 yrs ago
TOUGH2
1
Disappearing gas phase during simulation of CO2 injection
Dear all, I am trying to simulate an injection of CO2 into a brine saturated aquifer with Toughreact 1.2 and ECO2N EOS module (1D, radial). Everything works fine until the gas saturation Sg in the…
Lennard
Lennard
8 yrs ago
2
replies
876
1
Lennard
7 yrs ago
TOUGH2
1
Is there a possibility to extent the TOUGH2 pressure range?
Hello everyone, I am using TOUGH2 to simulate two phase flow in deep subsurface waste repositories. The pressures in the systems can reach quite high values due to gas production and high…
André Rübel
Andre_Rubel
7 yrs ago
3
replies
798
1
André Rübel
7 yrs ago
TOUGH2
1
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3
4
5
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General Info Related to TOUGH
Suggestions
Questions & Answers
Help Articles
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