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Pressure vs CO2 DG
Hi everyone, I've asked my self a question that i can't find a plausible answer, i hope that you can help me with this. It regards to CO2 injection at 15 ºC and 33 MPa on a reservoir…
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T2WELL/ECO2N problem with mass rate
Dear TOUGH2 community users, I am new to T2Well and I am trying to simulate pure gas-CO2 injection with several radial wellbore cells and only one big reservoir cell,…
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Pressure reporting: Tgh2-ECO2M
Hello ECO2M users, It is about pressure reporting of Tough2 when running a 1D radial model initialized with only water, flooded by CO2 at Its center using ECO2M. I get the following curves.…
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Efficient time stepping with great variability in pumping/shutin period durations
Dear colleagues, I am history matching a pumping test that consists of two 3day flow periods each followed by a 10d shutin periods. The flow rates were not constant during the pumping periods and…
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At KCYC=1, EXCEED GENERATION TIME TABLE AT ELEMENT #####
I was hoping someone would be able to help me troubleshoot this issue. I'm running EOS7C in TOUGH3. This is my OUTPUT file explanation of the error. CYCIT .......... KC = 1 KCYC = 1 DELT = 0.…
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Radioactive chain decay
Hi Is it possible to simulate radioactive chain decay (i.e parents produce daughter elements) in TOUGHREACT? It is more complicated than the simple decay equation,…
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Mass balance issue on mineral phase during CO2 injection in radial system
Hi everyone, we use a typical case of CO2 injection (see details in Andre et al. 10.1016/j.enconman.2007.01.006) at 200 b in a radial system, so it was using the 2007 version of toughreact.…
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How to create meshes with local grid refinements
Hi, I wonder if there are meshing tools I can use to create cartesin grids with local grid refinements as the picture shows. In essence is to split specific cells into smaller discrete elements.…
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Using TOUGH ECO2N for Core flooding
Hi all, I am curious to know if TOUGH2 is able to model a core flooding. Suppose that there is a core sample of length 30 CM. I have tried, however my simulation didn't converge.…
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3D Visualization Software
Hi, guys! Some questions have been bothering me for a long time, I need help! OK， I have built a 3D model. But when visualizing with tecplot，the result is not what I want.…
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EOS7c and NCG injection
Dear all, I am using EOS7c module, to model the injection of a NCG (either CO2 or N2) in a depleted CH4 reservoir. As soon as the mass fraction of the non-condensible gas X_NCG_G approaches 1 (i.e.…
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How to install TOUGH3 on Window OS?
Dear guys, can any one help me how to install and run TOUGH3 on Windows or UBUNTU system? I am totally new for TOUGH but I have idea its purpose. I have the excutable files but don´t know how to…
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Compilation of TOUGH error messages
I have started compiling error messages produced by the operating system or TOUGH when something goes wrong. Please add to this list as needed. Christine
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Changes of hydraulic conductivity driven by effective stress
Hello, Does TOUGH have a simulator with geomechanics capabilities? I am specially interested in changes of hydraulic conductivity driven by effective stress.…
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AZ_calc_blk_diag_inv: ERROR: the factorization has produced a singular U with U[2][2] being exactly zero.
I am running a 3D TOUGH3 model with EOS7C and the AZTEC parallel iterative solver. Occasionally I receive this error that ends my model run, and the OUTPUT file gives me no clues as to what is going…
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MeshMaker: Element depth
Hi there, I am using MeshMaker to generate axis symmetric radial grid for Tough2 simulations based on the MM examples. MeshMaker is generating the 'right' MESH file unless that the depth is not…
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PyTOUGH: Creating a mulgrid object from Gmesh
Hi there, @adrian_croucher I'm trying to define a mulgrid object from a mesh created in Gmesh. It's a simple 2D regular mesh (I attach the source and .msh files).…
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In petrasim, how to enter the atmospheric pressure by file?
In the petrasim, how can i enter the pressure by Sine？In other word ,I want to set the pressure via sine function. Thanks a lot! Sincerely！
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Infinite Acting Aquifer
I have a TOUGH3 model (EOS7C) that is showing signs that the model extent is not wide enough in the East and South directions (pressures increasing over time).…
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Access violation
Hi I encountered following error. Has anyone experienced this and if so how did it get resolved?
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Issue modeling a soil with zone of unsaturated vapor
Hi, I am using EOS3 to model a evaporating soil and have encountered some behavior with soil air relative humidity that I think is unrealistic. My 1D setup has a static block at the bottom to act as…
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Time-Dependent Material Properties
Hello, Is there a way to implement time-dependent material properties (block ROCKS) in TOUGH3? I am interested in assigning time varying permeabilities (prescribed as a function of time).…
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T2Well semi-analytical solution in reservoir
Hi all, I notice in the T2Well manual that you can turn on a semi-analytical solution of the reservoir by setting thermal conductivity in well cells to a negative value.…
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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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Pressure drop using GENER
Dear Tough community, I'm trying to run a 1D simulation with initial and boundary waters. I'm using GENER to drive the flow. The program runs, but I get a drop in pressure for each step in flowdata.…