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TOUGHREACT-ECO2N calculation of fugacity of CO2
Hi, I am a new user of TOUGHREACT. I am using ECO2N to simulate diopside dissolution and carbonate mineralization in a temperature range of 6.4˚C - 18.9˚C and a pressure range of 0.1 - 5.1 MPa.…
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CO2 water-rock reaction does not converge.
Hi everyone: I recently used toughreactV1.2 to simulate CO2 sequestration. The total simulation time was 1 year, but unfortunately the model did not converge.…
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Exothermic reactions
Hello, I was wondering if it is possible to simulate exothermic reactions with ToughReact? And in yes how to do that? Is there an example or a paper describing this? Thanks, Pierre
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Injector Fluid w/ Changing Composition
Hi all, I am looking to model reservoir response to changing injection water composition and am seeking advice on how to do so. Specifically, I am wondering if it would be best, and/or feasible, to 1.…
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Error with secondary species not found in thermodynamic database
Hello I am trying to run a TOUGHREACT simutlaion and everything is fine up until it reads the thermodynamic database. I get this error: "Error: The defined secondary species:…
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Injection question
Hello everyone, Is it possible to run TOUGHREACT by specifying the injection pressure, and not the flow rate? This way, the pressure specified will determine the rate of injection.
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New entries into Thermodynamic database
Hi, I am looking for a piece of advise on how to put a new entry for a new type of “Glass” into the database attached to ToughReact v3.3. Looking at the file I have,…
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Problem 5.3 Problem No. 3 (r1dv) - CO2 Discharge Along a Fault Zone from the ECO2N manual.
Hello everyone! I am trying to reproduce Problem 5.3 Problem No. 3 (r1dv) - CO2 Discharge Along a Fault Zone from the ECO2N manual. I am having trouble correctly generating the mesh.…
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The TOUGHREACT V4.13's calculation time is long
Hi everyone, I have been trying to run TOUGHREACT V4 Deep Salt Formation 2-D Radial Model Problem 6 with the instructions in the manual. However, I encountered the following two troubles:…
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How to terminate TOUGHREACT when chemistry does not converge
Hi, everyone: Once setting a new TR simulation into running, the first file i regularly check is runlog.out to see if chemical calculation is doing well.…
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initialization of water composition
Hi, Recently, I tried to use toughreact (EOS1) to simulate fluid-rock interaction including dissolution and precipitation. But it always reminded me “convergence problem in initialization of water…
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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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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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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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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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EOS1 non-convergence
Hello! I am a beginner in TOUGHREACT. I ran it based on the input file provided by the author of a paper. However, when I ran toughreactV2.0, I found that the model did not converge and the program…
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Reservoir Temperature Change
Hi all, In the current simulation I'm running, the reservoir temperature change is far less significant than I would expect (50 kg/s for 30 yrs with only localized grid block temp change).…
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Carbonate cement distribution in 1D model
Hi, tough users I created a 1D model (EOS1) to simulate the carbonate cement. The initial temperature (15-26 C) and pressure (0.2-5Mpa, equal to 500 m depth) distribution are included in INCON file.…
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TOUGHREACT and MODFLOW grid
Is TOUGHREACT AND MODFLOW grids interchangeable? Let's say I have a 3D MODFLOW grid for a project and now I want to use the same grid, potential same flow solution and transfer it to TOUGHREACT to…
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EOS2 non-convergence
I'm new to TOUGHREACT and have built a simple mesh and created a temperature and pressure gradient with INCON. Now, I am trying to run flow.inp through TOUGHREACT (EOS2) before I move to the solute.…
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How to set up well bore
Hi TOUGH community, I am trying to incorporate a well bore into my simulations in TOUGHREACT, and I am confused on how to set up my mesh. Please, kindly Assist.