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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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methane leak and plume migration in subsurface from hydrocarbon wellbores
Hi There, I would like to know what module would be best to simulate methane leakage and plume migration in the subsurface from hydrocarbon wellbores? I did some digging and came across some…
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Print out of permeability reduction
Hi guys, Anybody out there could send me a piece of advise how to get permeability reduction "k-red" printed out when running Tough2 with ECO2N? I tried a couple of things in "OUTPU" and "SELEC",…
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Not to achineve the end time and no error
Hello everyone, I am trying to run a geothermal reservoir model with EOS1 to predict a production rate for 10 years and the calculation did not achieve the setting end time.…
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Why does the partial pressure of carbon dioxide change so much when SG is greater than zero?
I use eos2 to simulate phase transition (phase change) it is a very simple model to study the Pco2 change. but it is a little bit hard to explain. I found SG>0,…
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Can we used a Neumann boundary condition for temperature simulation in TOUGH2?
If I know the heat flux (18 W/m^2), should I use the Neumann boundary condition? can I use it in TOUGH2? Thanks
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How to consider the evaporation effect of water affected by temperature in tough2
How to consider the evaporation effect of water affected by temperature in tough2 (or what is the governing equation of water conversion in liquid and vapor)?…
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Constant gas production rate
We are using EWASG modulus to simulate a reservoir with water, salt, and NCG. For the production well, there are water and NCG production. We know that we can set total (gas + liquid) production…
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Radial mesh
Hi all, I am using radial mesh to model a column, which is defined by R and Z. Is it possible to model only 1/4 of the column with a theta (θ)? I don't see where to set this. Regards, Antonio
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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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Heat generation in EOS3
Hello, I am a relatively new TOUGH2 user. I have developed a model for heat and fluid flow in a basin with a lake. I am attempting to have atmospheric boundary conditions are the top of the model…
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Difficulty in Understanding Mesh creation
Here are the contents of Meshmaker (This makes a radial grid with radius 224m and depth 10m, RZ2DL RADII 3 0.0e00 5.0e-2 7.0e-2 LOGAR 30 1.0e2 7.0e-2 RADII 1 5.001e2 LAYER 1 1.…
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Facing problem to match TOUGH output with excel and Python
Dear TOUGH community, Recently I am conducting 1-D stead-state radial heat conduction problem The result I got from PetraSim(TOUGH) could not match with the result from excel or python,…
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Mobility concept in TOUGH (Parameter MOP(11) )
Hi dear group, I hope this wouldn’t be a silly question I am working with an unsaturated column composed of sandstone and mudstone layers. As first step (and using EOS9),…
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In-situ Combustion for Oil and Gas
Hi everyone, My company is considering to get a TOUGH license and wondering if it is suitable for our project. I am wondering if we can use it for in-situ combustion for oil and gas extraction.…
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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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Pore Compressibility in ECO2M
Hi guys, I have a 3D cartesian model where I assign constant porosity across all elements in the model. In TOUGH2, I think we can assign only a constant value of pore compressibility.…
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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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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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Temperatures above initial condition temp using injection and production scenario with EOS1
Hello, I am modelling the flow of water through heterogeneous media by using two wells, an injector and producer over a 25 year period. The initial temperature condition is set to 100 degrees C and…
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Specify the time-dependent BHP
Hi, everyone Can I set the time-dependent pressure in the DELV option? I wonder if it is possible to decrease the bottomhole pressure of the production well over time. Thanks, Young
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Results file not found (ECO2M, TOUGH V2.1), no .csv file generated
Hello everyone, I am solving the TOUGH exercise (ECO2M Example: CO2 Injection Well). After successfully running Tough v2.1. I am unable to view (3D Results) the results.…
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FOFT keyword no printing
hi. I have been trying to select the elements of my interest to print out in the forward.out or another time series file like in the manual examples by using FOFT in my forward input file but…
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Salt precipitation dependency on rate (and grid size)
Hello folks; This is about testing salt precipitation in a 1D radial model with a single injection well at its center using ECO2N where capillary forces included and a pressure release well put on…
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EOS7 - Brine Definition & Tracing flow of brines
Hello everyone I am looking for more clarity on the definition of brine in EOS7. In the TOUGH2 user's guide V2, it states that, "The brine is modeled as NaCl solution,…