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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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ECO2M:run is not convergent
Dear TOUGH community users, I am using T2WELL/ECO2M to simulate the injection of CO2 into the aquifer, building a model of 0~-900 m (3D) and the aquifer is located in-750m~-800m.…
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How to calculate what portion of a constituent adsorbs.
Hello there, I ran a 1-cell chemical initialization simulation that includes surface complexation for 1000 years. For some constituents such as Cr, the total sorbed moles are more than their initial…
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Defining Tortuosity
How to insert the tortuosity in Petrasim software?
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Run T2Well in Parallel Mode
Hi everyone, I am using T2Well to run simulation case for a coupled wellbore reservoir system. The model consists of 25000 grid cells. The simulation case considers different processes including…
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Output results of specific grid versus time
Hi everyone, I wonder if there is a code to extract the output results of a specific grid cell in OUTPUT_ELEM file versus time. Thanks in advance
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Atmospheric carbonation of concrete with EOS4
Hi all, We are trying to run a case simulating atmospheric carbonation of concrete with Toughreact V3/EOS4. Running the case without reactivity to check the transport of a tracer works fine (see…
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How to realize an air-injection well with constant bottom-hole pressure?
Dear all, I am using the EOS3 module to simulate the injection of air into a confined aquifer via a fully penetrating well. In order to prevent potential damage to the rock formation,…
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Tough+Hydrate not running 10k+ mesh on windows, How to compile source code on ubuntu
Hello Toughers. My simulation runs great if number of mesh elements is less than 10k. I have computer with 16gb RAM. I read solution is to compile source code on Ubuntu.…
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Partitioning Tracer-EOS7C
Hi, I have two question 1- Regarding temperature dependency of Henry's coefficient, I was wondering if TOUGH2/EOS7C considers this or not? and if yes, at what reference temperature should HCTRC…
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sand column evaporation simulation using EOS4 of itough_V7.1.0
Dear friends, I am interested in this sand column evaporation case, which is shown in this video https://www.youtube.com/watch?v=-U0vivPLf3s, simulated by STURA.…
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Flow of mineral water
Hello, I am studying the chemical effect of water in contact with cement, so I have, basically, several cells made of cement next to others of water. I would like to have a continual reviewal of the…
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cguess and ctot in chemical input
Dear all, I would like to ask what does cguess and ctot mean in the chemical input in ToughReact? I have read the user guide, I have also searched in papers and still haven't found an answer what…
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How to monitor the temperature change of the sink with time?
Hi gays, I'm trying to simulate plume geothermal systems using toughreact. I want to output the temperature change of the sink at each time step, but I don't know how to set it.…
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TOUGH + Phase equilibrium Relationship...where am i wrong?
TOUGH+ has two phase equilibrium relationship 1. Kamath 2. Moridis I tried plotting Moridis Generalized equation taken for the manual and i find that its plot is different from the pic in the manual…
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Calibrate rock properties of each element using PEST ?
Hello, I am interested in updating the permeability of each element of a TOUGH2 simulation using PEST, since I aim to calibrate it with geophysical observations.…
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How to print K(LIQ) and K(GAS)
Hi everyone, I am using TOUGH2- ECO2N, and I would like to print the gas and liquid phase relative permeabilities. I checked in the manual, but I did not find the answer.…
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Compare [cumulative CH4(m3) ] from Well_Time_Series vs Hydrate_Info
Hello everyone I have a very simple problem Tough+Hydrate (v1.5) : I m trying to compare Methane production from the two sources (i) released from HYDRATE DISSOCIATION (ii) Total Production at the…
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eco2m Fortran runtime error
I have been getting the following error when beginning a TOUGH3 run using the eco2m eos: TOUGH STATUS: Total preprocessing time = 17.409522771835327 At line 3180 of file…
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Specify the composition of the injected fluid
I am trying to model the injection of water-saturated CO2 into a saline aquifer. My question is how to specify the composition of injected CO2 (OR water mass fraction in the injected CO2).
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Trouble finding local connections
Could someone please tell me (1) what is the meaning of these messages ? (2) 1540753 & 4707353 in the above image are names or #ID of elements or connections?…
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Use input files for injection rates at many timesteps?
Hello, I am trying to include many CO2 and brine injection rates over a range of timesteps in TOUGHREACT. I was wondering if I would be able to call a file with all of the data I want in GENER,…
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applying heat load in BHE and varying input T?
Hi all, I am using T2Well with TOUGH2 to model a borehole heat exchanger and was wondering if it was possible to apply a heat load to the BHE? I have tried something of the form below:…
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Compressibility On/Off in ECO2M
Hello folks, I posted a similar thread on TOUGH2, but here in TOUGH3, there seems to be an option under MOP2 where we can turn on/off the effect of compressibility on porosities.…
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ECO2M: Automatic switch in injection constraint
Hello, I'm running ECO2M to simulate a CO2 injection. If it's possible to inject the CO2 under a pressure/BHP constraint, would it be then possible to simulate the injection initially under…