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Numerical instability with water vapor condensation in ECO2M
Hey everyone, I've run into an issue trying to make the transition from a saturated gas to a 2-phase stream composed of a wetting aqueous phase and a gaseous CO2/H2O(g) mixture.…
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ECO2N permeability modification
Hi all, I have a question about random permeability modification using ECO2N. When I include a SEED dummy domain in ROCKS and use input parameters for logarithmic permeability modification,…
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Deliverability model to simulate landfill gas collection systems
Hello I want to model the suction in landfill gas collection systems using Deliverability model. In landfills, we set a suction pressure and it collects the gas.…
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Any idea for constant thermophysical properties for fluid (water) and P/T decoupling in governing level?
Hello. I'm trying to modify TOUGH2 codes for constant thermophysical properties for fluid (eos1) and P/T decoupling in governing equation level. In order to do this, I've fixed density, viscosity,…
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TOUGH2; grids; running time too long
Hi! I used TOUGH2 for a transient fluid flow analysis (total time for 1 year) using grids showed in the figure. Element volumes range from 1.0e-04 to 2.0e-1.…
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Non-Darcy flow of oil above bubble point
In blowout simulations of proposed (not yet drilled) oil wells in the Gulf of Mexico (Worst Case Discharge, aka WCD) a simple radial reservoir simulation model is assumed and flowing pressure bottom…
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modelling a river
Hi, What is the best way to define a b.c. for a river (standing water body)? I have leak point at some depth below the bottom of a river within a groundwater.…
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TOUGH2 code compiled with IVF(based on VS circumstance)
Hello,everyone! I have some question about compile TOUGH2 code. I have two fortran compiler,but I can only compile TOUGH2 code follow the suggest giving in https://tough.forumbee.…
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bottom flowing pressure well on delivery
Dear All, I would like to get an estimate of the bottom flowing pressure in a well that is cross cutting several layers and sometimes several cells in the same layer (when the well is deviated for…
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Effective or Total Porosity in TOUGH2 EOS1
Migrated from Rockware Support Forum: Does TOUGH2 EOS1 assume total porosity or effective porosity for water? Is there a built-in conversion from one to the other?
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The Example in TOUGH2's ECO2N:Radial Flow from a CO2 Injection Well
Dear all, I am using TOUGH2 ECO2N and I have confused about the example in Page 28 of the manual ECO2N: A TOUGH2 Fluid Property Module for Mixtures of Water,…
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How to apply this unique Mix of Neuman + Dirichlet Boundary conditions, for Temperature & Pressure, 1-d Problem
Hello everyone I am trying to setup a 1-D validation problem from a research paper for validating experimental results. In short, I need to apply Neuman & Dirichlet Boundary conditions,…
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EOS7 - Specifying initial conditions
Hi all, I want to specify this initial condition using EOS7: Reservoir temperature: 240 degC Chloride concentration: 600 ppm weight = 0.06%-wt CO2 concentration: 0.5%-wt Steam fraction: 0.…
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Using rock type "x" in T2Well
Hi T2well gives you the option to represent your tubular as a bundle of smaller tubes. I was trying to use rock type x (domain) right after the wellhead for representation of the wellhead choke.…
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Simulated CO2 injection into aquifers using T2WELL/ECO2M did not run successfully
Dear TOUGH community users, I am new to T2WELL/ECO2M and I am simulating CO2 injection into the aquifer, establishing a model of 0~-900m, the aquifer is located at -750~-800m,…
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Calculating flow rate in a well on deliverability model
Hello everyone, I am trying to figure out the best way to calculate gas flow rate in a well. my approach is to first print out a COFT file and then sum up the values of flow rate between cells.…
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For a same drainage process, why ECO2N with hysteresis modeling and ECO2N without hysteresis modeling have very different results?
I studied the reservoir response to different injection processes. To just test the simulators' capability, I used TOUGH2-ECO2N with the hysteretic capillary pressure and relative permeability…
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libgcc-s-dw2-1.dll & libgfortran-3.dll
I want to run executable file for Tough2 EOS7CA. I receive the following error messages: "The code execution cannot proceed because libgcc-s-dw2-1.dll was not found.…
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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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Error in EXT.exe
Dear team, I encountered an error when using the EXT.exe. I have completed the simulation by Petrasim. But, the CMD indicated that ' forrt1: severe (161) : Program Exception - array bounds exceeded'.…
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Atmospheric boundary condition with evaporation
Hi all, Recently I'm trying to build an simple model for rainfall filtration in vadose zone with TOUGH2 EOS3. I have read Anthony and Stefan's discussions on this topic four years ago,…
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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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Error in defining Heterogeneous Regions with Meshmaker 1.5
Hi everybody, I have a question about geometry definition in meshmaker. I tried to define a very simple layered material by using meshmaker 1.5, and I tried to define the layers by heterogeneous…
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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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Software purchase question
Hello everybody! I am a graduate student freshman, and my supervisor asked me to use tough2 software. I didn't know this software before. I only saw itough2 on the website, but not tough2.…