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Problems with ECO2N V. 2.0
Hi All, I am experiencing some problems with the latest version of ECO2N. I have a series of simulations that run fine using ECO2N V1.0. However in version 2.…
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ECO2N Steady state
Hi everybody! I'm a new Tough2 ECO2N user and i'm experiencing some problems by reaching the steady state condition... I will use it as Initial conditions for the simulations.…
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To have "Component mass in place" in a single cell
Hello everyone , In the output file of TOUGH2, for each plot time value, there is the -component mass in place- table, in which I think, are reported the mass of each component referred to the total…
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No primary variable data are displayed in output file.
Hello, I'm trying to mimic darcy's law with EOS1 module. I made a model and simulate with the below input files (the first and second figure). I think the simulation ends successfully,…
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How to model a leakage around existing well annulus in TOUGH
We are trying to model gas leakage around exisiting well annulus (The space between wellbore and casing, where fluid flow can occur). However, the aperture is relative large and I wonder whether this…
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The CO2 plume migraion is very strange.
The CO2 plume migraion is very strange. Can anybody tell me why is this case? Thanks very much. Sawyer.
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injection using well on delivery
Hello, What is the correct way to use the well on delivery option for injection? Background: I'm using EOS7C and attempting to inject methane into my modeled domain at a depth of about 30 m below…
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Zero flux conditions
Hello everyone , Could someone explain to me how to impose the zero flux conditions in a generic domain? Thank you.
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Implementing meteoric recharge into atmospheric boundary condition?
Hi all, Does anyone have a recommended method for specifying different rates of meteoric recharge to TOUGH2 models? Would specifying different air:water ratios in the atmospheric block work? Thanks,…
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How can I simulate the thermal diffusion (Soret effect) ?
Dear everyone, I am New in using TOUGH, i want to simulate the thermal convection of a binary mixture methane & n-butane in non-isothermal condition. I want to take in consideration the soret effect.…
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How to determine the influence of boundary size?
Hi all, when i use tough2(ECO2N), i'm not sure whether the boundary size i chosen is appropriate, can anybody tell me how to determine the boundary size? thans very much! sawyer
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Sensitivity Analysis
Dear All, After running a CO2 injection model, I performed a sensitivity analysis to determine the sensitivity of my model with respect to some key input parameters (i.e.…
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Compilation of source code files
To increase the maximum number of elements in Tough2 above 12000, we changed the T2 file in the fortran source code, and are now trying to compile the source code files according to the instructions…
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Generating initial conditions
Hi All, I am having problems generating initial conditions with the new version of T2ECO2N (v 2.1) that I have just purchased. Previously I would assign a large volume block at the top and base of…
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How to set up source water volume as boundary condition
I have one question regarding how to set up the water source volume in petrasim/tough2. For example, the reservoir is bottom water type. There is water driven at the bottom of the reservoir,…
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Data file Problem No.6 (*Case6_50kg_DP*) needed
Hello all. I am trying to run an EGS-CO2 model with TOUGH2 ECO2N. Is the example file Problem No.6 (*Case6_50kg_DP*) – GCS/GHE with a double-porosity reservoir in the manual available?…
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Input data file vs Disk Files
Hi All, I am very new to TOUGH2. In my case, I run initial input data file then I have Disk Files generated from TOUGH2 input file after running, these are : INCON, MESH, GENER, SAVE, etc.…
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A question about the EOS9nT
Hello everyone, I have a question or problem about the EOS9nT in my recent research project. In the attachment you can see the guide example that we downloaded together with the source code.…
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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…
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Compilation mistake
I have been trying to use Tough2 version 2.1 in Windows 7 (64 bit) but it hasn’t worked. I am using the commands gfortran -c -O2 -fdefault-real-8 -fno-align-commons -fdefault-double-8 -funroll-loops…
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Turbulence in TOUGH2
So I'm doing a bit of modelling on modelling high permeability faults and was getting some large fluxes of fluid (yay!) but.... I was wondering whether TOUGH2 is accurately representing these systems…
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Coupling between flow and processes
Hi there, I am wondering how the fluid flow and heat transport are coupled in Tough2. Are fluid and heat flow equations solved iteratively ? I would be thankful if could help me in this regard.…
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Error in Output File EOS1
Hallo team, I have problem with output result of my current model which is created in Petrasim. I generated TOUGH2 file (.dat) of the model. I tried two ways to get the result:…
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what is the meaning of the running time is negative?
Hello everyone, can anybody tell me why the running time is negative? As shown in the figure? Thanks very much! sawyer
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Does the thickness in y-direction matters when using XYZ to generate X-Z mesh?
Hello everyone, I am using the TOUGH2/ECO2N code to simulate the injection of CO2. I intend to use XYZ MESHMAKER to generate a 2D X-Z mesh. So I want to ask that whether the thickness in y-direction…