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Can't read MESH properly
Hi everyone, I am facing the problem when running iTOUGH2. The program can't read mesh (minimum X-Y coordinate) properly based on the TOUGH2 model that I exported from Petrasim software.…
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How can the relationships between permeability (k/k0) and porosity (Φ/Φ0 ) in the fault be changed?
I am using ECO2N to simulate CO2 leakage in a geological formation with a fault (See the fig). I need to apply different relationships for permeability (k/k0) and porosity (Φ/Φ0) between the fault…
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EOS9:FOLLOWING TWO STEPS THAT CONVERGED ON ITER = 1
Hello, It looks like I am running into this exact issues described on page 10 of the Tough2 user manual (copied below). What suggestions do you have when this occurs?…
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How to set up semi-analytical method to calculate heat transfer in t2well?
Dear TOUGH community users, Could you please advise on configuring the semi-analytical method for computing heat transfer in t2well-eco2m? As far as I understand,…
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Run result SMCO2 is always 0
Shalom: This is an example of website 3.0 why SMCO2 has been 0 Thank the reply
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Temperature dependence cation exchange
Hello, I included cation exchange in my simulation, in which I simulate injection of hot (90 degrees C) water into a relatively cold aquifer with the exact same composition.…
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ECO2N / ECO2M: handling of wettability in a dry zone
Hi folks, When exposing the initially brine-filled grid cells near injection point to CO2 injection, a dry zone is established. At a certain condition of flow and rock properties water saturation…
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How to find a grid index
Hi, I am having trouble finding a grid index. I used FOFT to show temperature changes over time. However, I could not find the specific grid index I wanted to show the results for.…
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In ECO2N, the injected co2 gas is mixed with a certain amount of so2
hello: I would ask how the injected co2 gas in ECO2N contains a certain amount of so2. Is the setting method like me correct. Thank you for the reply. Thank you
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TOUGHREACT ECO2N
I want to use TOUGHREACT V3.0 ECO2N simulate the mineral changes caused by the co injection of different concentrations of SO2 and CO2, mainly observing gypsum precipitation.…
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ECO2N(I would like to ask what figure CO2 means? Why is the mole fraction greater than 1?thanks)
I would like to ask what figure CO2 means? Why is the mole fraction greater than 1?thanks
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TMVOC initial conditions Convergence Failure
Dears, I am trying to use TMVOC through Petrasim interface to build the attached conceptual model, but when I try to build such model I always have a convergence issues.…
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How do I conduct a batch modeling of NaCl-water with primary minerals
Hello everyone, I am trying to conduct a batch modelling of NaCl-water with primary minerals in a rock sample over 10-year period to determine the brine composition and primary species in the rock.…
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Print out of permeability reduction
Hi guys, Anybody out there could send me a piece of advise how to get permeability reduction "k-red" printed out when running Tough2 with ECO2N? I tried a couple of things in "OUTPU" and "SELEC",…
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Initialization problem for ECO2N Problem No. 4 (rtp7)
Hello everyone, I'm new to TOUGH2.In running the fourth example of ECO2N, I don't understand how to set the initial conditions. 1. The manual mentions only involving boundary grid cells with…
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Unable to execute code due to plugin not found?
Hello everyone, how can I solve this problem? I tried downloading the corresponding plugin but still couldn't solve the problem.
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Restart problem with T2Well
Hi, I assume T2Well has the same set up for "restart" as Tough2 or Tough3. I have summarized the sequence of my primary and secondary runs below to ask for advise.…
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GENER : COM1 vs MASS type ---->Pumping water from element in a 2phase flow problem
Hello everyone, I want to pump water from a certain elements using EOS7R. I'm confused between using: 1. "COM1" as a type and a negative value of the rate (< 0) to mean that I extract water from this…
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T2Well-ECO2M case not running
Hello T2Well user community and superusers of Tough-ECO2xxx, Would be great if you are interested to look into this case and see the possible source(s) of error.…
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TOUGHREACT1.2/ECO2N: About the inject rate and maximum pressure
Hi, everyone I'm using TOUGHREACT1.2/ECO2N with Petrasim. I am simulating the injection of CO2(isothermal) at a constant rate of 6.5kg/s(just one GENER)using a rectangle mesh,…
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flow.out - residuals and equations
Hello, I am troubleshooting model. I have set MOP(1) = 1 and trying to figure out why my time-stepping continues to get reduced. I have automatic time-stepping turned on.…
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Error when use MESHMAKER to generate XYZ mesh in TOUGHREACT ECO2N sample problem
Hello dear, I am trying to learn the ECO2N module in TOUGHREACT, so I began at the sample Problem 5 – 1-D Radial Model for CO2 Sequestration in a Deep Saline Formation.…
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Doubts about the integrated finite difference method (IFDM)
Hello everyone, I am conducting a comparative study between the TOUGH and DARTS simulators. I went through the basic documentation to understand how both simulators work,…







