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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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Converting single porosity mesh into dual porosity (dual-perm) mesh
By any chance, does anyone know a way of converting single porosity mesh elements file into dual porosity (dual-perm) mesh model file (with correct connections)? Would appreciate any feedback.…
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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.
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TOUGHREACT Workshop Files
Hi, How can we get the files which are mentioned in the TOUGHREACT workshop handout here: https://tough.lbl.gov/assets/files/02/support/TOUGHREACT_Sample_Problems.…
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GENER BLOCK : water pumping EOS7r two phase 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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Is there a way to specify the component being produced from a source well?
My producing well is producing fluid through the ESP and venting gas through the casing annulus. Both flows are controlled independently. I am trying to history match the test and would like to…
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EOS5 but Helium in stead of Hydrogen
Hello, I am trying to simulate a year long helium injection with varying rates using EOS5. I'm wondering if I would need to change something in the source code for this to run correctly,…
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Printout problem with TIMES
I want to use DELAF function in TIMES, but no matter how I assign the value, the printout in FOFT won't change. Is there any format error in my input file?
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Can ECO2N simulate the CO2 phase transition?
Hi guys. I have a question about ECO2N. I want to know if ECO2N can handle CO2 phase change. I would like to simulate the problem of liquid CO2 injection into a reservoir,…
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how to set up initial chemical conditions?
Hello, I've just started using Toughreact, and I am wondering how to set up the chemical initial condition. Should I run a simulation to let TR calculate the brine chemical composition at equilibrium,…
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CONSTANT pH PROBLEM
Hello everyone. After running a simulation (injection of CO2 into a saline aquifer), I observed that in my result, the pH remained constant at all times for my chemical initialization, injection,…
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The pore pressure decreased near the non-reservoir wellbore during the CO2 injection process
Dear TOUGH community users, When I used T2WELL/ECO2N to simulate carbon dioxide non-isothermal injection, I found that when using cryogenic supercritical CO2 injection,…
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Mass balance of ECO2N
I was simulating constant CO2 injection into a 2D aquifer (salt not considered). For such 2-phase 2-component system, there should be 2 mass balance equations for CO2 and H2O, respectively,…
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Batch Model with Brine Injection and Secondary Minerals Precipitation
I am attempting to set up a batch reaction model. Initially, the formation water equilibrates with calcite, gypsum, albite, illite, and k-feldspar. Then,…
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Modelling of high temperature (600 ℃) air injection.
Hi everyone, I am seeking guidance on the feasibility of utilizing EOS3 to model the injection of high-temperature air (600 ℃) into an aquifer. The anticipated pressure range within the model domain…
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TOUGH3 vs TOUGH2-MP Printout of Mass fractions in single phase
Our understanding is that adding all component mass fractions of a phase add up to one. In TOUGH3 (or at least using eos3), it would appear that this is not the case.…
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Speciation with brine using Pitzer
I am trying to run a simple speciation problem with a brine composition in contact with some minerals (like Albite, Barite, Illite, K-feldspar etc.). The idea is to use the results of the speciation…
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Effect of Mesh Size on the Kinetics of Two-Phase Flow (Diffusion vs. Advection)
Dear all, I have a question regarding the mesh size and its impact on diffusion in two-phase flow. I'm curious to know if the mesh size affects the diffusion from element0 to element1.…
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Calculated gas pressure despite zero gas saturation
Hello TOUGH2 community, I am running few simulations using EOS5 (water/hydrogen) with injection of hydrogen in a HLRW waste cell configuration. I want to monitor the pressure build-up.…
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Two phase flow (Diffusion vs advection) with mesh sizes
Dear all, dear Finsterle, I have a question regarding the mesh size and its impact on diffusion in two-phase flow. I'm curious to know if the mesh size affects the diffusion from element0 to element1.…
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chemistry did not converge at node
Hi，tough community users, I try to carry out the 1D fluid-rock modeling for meteoric water dissolution during 10e4 years. In the runlog file, I occasionally found this error,…
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Error message: Components missing:h2o
Hello All! I am trying to run a batch equilibrium simulation with several mineral phases including goethite and others having h2o in the reactions equation.…
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How to implement the Mandel's effect with tough-flat coupling
Hello everyone, I'm a student during master's degree and have spent more than a year on tough-flac coupling, but still have some big problems on this field.…
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how to set initial temperature distribution
Hi，tough community users, I want to prepare the initial or stable pressure and temperature conditions for EGS. INDOM was introduced into my flow file. The UPPE1 reservoir is the top mesh having 1.…