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Wettability and capillary pressure direction in TOUGH2
Previous discussions indicate that the direction for Pc is always "pulling" the wetting component toward lower saturation regions. Does TOUGH assume the aqueous phase is always the wetting phase ?…
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How to inject CO2 using eos2
Hi. I want to inject CO2 of 1000 ton/day and H2O of 2400 ton/day into model domain (1.5* 10 km) using EOS2. Following advice in https://tough.forumbee.…
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WellModel - ftype
Hi everyone, has anyone coupled the Wellsim wellbore simulator to tough2? as a f-type generator for example?
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Is pore compressibility in TOUGH2 not identical to bulk compressibility(1/K)?
Hello. Recently, I am trying to solve 1-D consolidation problem(Terzaghi's) with TOUGH-FLAC. In order to solve it, I first run FLAC to consider pore pressure generation(Skempton's effect).…
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Five-spot Geothermal production/injection
Hei guyz. I'm new learning how to use tough2 and working with CO2 injection using EOS2. My project should be of type 9.4 problem No. 4. Therefore, i have been studying this problem.…
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A problem about Capillary pressure!
Hello everyone! I make only one cell to simulate the capillary pressure in EOS3, and I use linear function (ICP=1).Sl=0,Pcap=1000Pa; Sl=1,Pcap=0. I set the gas saturation as 0.…
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Pressure-dependent Neumann Boundary condition
Dear all, Dose anyone know how to set up a pressure-dependent Neumann Boundary condition in TOUGH2? Like evaporation problem, how can I set up the evaporation amount (in GENER block) as a function…
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Problem initializing water table at a given elevation in eos9
Hello, In the TOUGH2 manual, it says that an eos9 (Richard's Equation) model can be initialized with a specified water table elevation by setting CWET in REFCO to that elevation.…
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How to switch between injection well to production well (time dependent)
Hi, Everyone, I am a PhD student. I need some urgent help in the TOUGH2. I wan to switch the well properties between the injection well and the production well during the simulation.…
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Recharge via time-dependent Neumann & deliverability boundaries in EOS9
Hello, I am trying to model recharge to a shallow aquifer using a 20 m-deep 1-D (1 m x 1m cross-section) iTOUGH2-EOS9 model in which I incorporate the following processes:…
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TOUGH2 Sample Problem
Hello, This is Mo. I just started learning TOUGH2 and iTOUGH2. I am working on Problem No.4 (Five-Spot Geothermal Production /Injection). I am trying to modify the problem to my own problem.…
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INSTALL OF TOUGH2
I purchased Tough2 software and i want to run it using PC 64, 8 proccesor, but i couldnot, please can any one you help me in running the software and to run an example,…
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Non-convergence when upper boundary saturated in CO2
Hi everyone, I am using the module ECO2N_V2.0 to model the hydrothermal fluid and heat circulation into high-topographic volcanoes. I want to create a vadose zone in the upper part of my mesh.…
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CO2TAB file in ECO2N
Hello to everyone ! ***I apologize for copying the post, but I have published the previous one in the wrong section.*** I would like to model CO2 injection into high temperature and high pressure…
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Beginner
Hello everyone, I just got Petrasim+Tough2 licence from work but I have no idea where to start and how to start. I have noone around to ask and no experience with other simulators either.…
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Fortran runtime error!!
Hi, I am running a model with EOS7C on UNIX. The code seems working with no convergence error. But, I always get: Fortran runtime error: Expected REAL for item 14 in formatted transfer,…
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Actually, I need a software I could model the Coupling Thermo-Hydro-Mechanical damage.
I was wondering if this software(TOUGH2) is suit for this purpose or not. please let me know if you have any more information in this area.Thanks
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mesh creation
I have a question regarding mesh creation. I am working with Petrasim, T2VOC. I appreciate if you could help me. Is there any limitation for creating mesh?…
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What if the model does't have boundary setting?
Hallow everyone! I'm a beginner of TOUGH. All the time, i always use the dirichlet boundary by giving a 1E50 volume. Today, an idea come to me : What if the model does't have any boundary settings?…
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Defining a multi-layered aquifer in TOUGH2
Dear All, I am trying to simulate a sandstone aquifer capped by two sealing layers (Shale and evaporite), so there are totally 3 layers in my model. I think there are two blocks in the input file…
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How to define heterogeneity in TOUGH2-ECO2N
Hi I am a new TOUGH user. I am interested in learning about defining fluid injection models with TOUGH2. I would like to learn about building heterogeneous models - which Kx and Ky differ from one…
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Modeling of flow of bitumen in porous media
Dear all, I want to model the shaft seal of repository in clay. The shaft seal consists of bentonite plugs and gravel column filled with bitumen. The goal of modeling is to investigate the behavior…
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Initial/boundary conditions for discharge from spring (ECO2N)
Hello, I am trying to use ECO2N to model a system where salty, CO2-rich water is upwelling into a shallow freshwater aquifer that is horizontal for some distance,…
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anisotropic permeability for TOUGH3-EOS7
Dear all, I am trying to modify my INFILE (isotropic permeability) to specify anisotropic permeability element-by-element. My original INFILE (isotropic permeability cases,…
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Increasing the number of rock materials
Hi everyone, I am working with TOUGH2/EOS7C. I need to use 44 different rock materials in the ROCKS. I am wondering if there is any way that I can increase the number of rock materials from 27 to 44…