TOUGH2 Category

immature termination

Hi all, I'm trying to model an experiment where I had a cylinder filled with sand and some headspace on the top. The sand had some solvent in it. The whole cylinder was initially at about 100 degC…

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.…

T2Well questions

Hi there, Starting to play around with T2Well and having good fun. ;) Two things (at least) that I didn't understood: 1- ROCKS data block: the domain name for wellbore cells starting with 'x'.…

T2Well constant fluid properties and EOS1 relationship?

Hi, I am currently modelling a wellbore with constant density, thermal conductivity and specific heat capacity thermophysical properties at surface temperature 40 degrees like so: Wella 2 1665.e00 1.…

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.…

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…

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…

ECO2M: Meaning of VLIQ at Saq=100%

Hello, I am using TOUGH2-ECO2M, and I have a question about the scalar output parameters “Vliq” and “Vgas”. I’m using PetraSim as the post-processor, and the PetraSim windows shows “Pa-s” as the…

ECO2M: Extracting Vector Orientation

Hello, I'm using TOUGH2-ECO2M and interested in extracting the "direction/orientation" of the vector output data (flow of heat, flow of fluid, etc), ideally generated in the same CSV format as in…

SAVE file

Hello ! For the case I'm working on, I've created and INCON file filled with cell-by-cell porosities, permeabilities (I,J,K), pressure and temperature.…

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

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,…

Temperature limits of various ECO2N versions

Hi Folks, Anybody can send me a few words on this: We have a version of ECO2N (as a part of iTough2.7.0.) which doesn't perform with T>103.4, same indication seen in CO2Tab data that is limited to…

Mole fraction Output from ECO2N

Hello Trying to get CO2 mass- and mole fraction in aqueous phase and H2O mass- and mole fraction in gaseous phase from a run with iTough2 and ECO2N in a simple radial 1D model where dry CO2 injected…

Alternative for running immiscible brine-CO2 system

Hello folks, Sometimes you may need a reference or a benchmark to see the effect caused by implementation of an EOS as a whole. For a Brine-CO2 system, even unphysical,…

Error1:Program received signal SIGSEGV: Segmentation fault - invalid memory reference

Hello, I have been working on a model for several months, and now when I run my model, I have the following error: Program received signal SIGSEGV: Segmentation fault - invalid memory reference.…

How to account for evaporation Sw initial < Swir

Hi all, I am trying to model infiltration in unsaturated media using EOS9. I believe that in reality my media started with an initial water saturation that is lower than the irreducible water…

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'.…

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.…

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)?…

How to compile T2Well-ECO2N v1.02

Dear all I had downloaded the source code of T2Well-ECO2N (T2Well-ECO2N_Source_v1.02.zip), and I am now trying to compile it by gfortran on a WSL environment.…

Maximum point for time-dependent injection

Dear all, I am trying to prescribe more points for cyclic injection scenario. I checked the TOUGH2 manual, which indicated to use LTAB for the number of points in the table of rate vs time.…

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.…

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),…

TEMPERATURE = 0.000000E+00 OUT OF RANGE IN SAT

Hi All, I am a newbie to the TOUGH simulator and trying to create a small model for brine injection using EOS7 module. While I am trying to run the model,…