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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
- T. Young
- Young
- 8 days ago
- 2 replies
- 11
- T. Young46 min ago
- TOUGH2
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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,…
- C. Huggins
- Chagnon
- 6 days ago
- 4 replies
- 16
- C. Huggins3 days ago
- TOUGH2
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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.…
- Florian DELSANTE
- Florian_DELSANTE
- 3 yrs ago
- 18 replies
- 550
- Di Wu2 wk ago
- TOUGH2
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T2Well-ECO2N
Dear T2Well users; Looking for a tool to design CO2 injection aiming at CCS. T2Well-ECO2N software is new to me, I wonder if it is only a 1D simulator?…
- Godarzi
- Godarzi
- 4 mths ago
- 17 replies
- 125
- Godarzi K2 wk ago
- TOUGH2
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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…
- Godarzi K
- Godarzi_K
- 3 wk ago
- 2 replies
- 14
- Godarzi K3 wk ago
- TOUGH2
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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…
- Godarzi K
- Godarzi_K
- 3 wk ago
- 5 replies
- 13
- Godarzi K3 wk ago
- TOUGH2
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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,…
- Godarzi K
- Godarzi_K
- 1 mth ago
- 2 replies
- 13
- Godarzi K1 mth ago
- TOUGH2
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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.…
- nazanin
- nazanin
- 1 mth ago
- 1 reply
- 23
- Yingqi Zhangmoderator1 mth ago
- TOUGH2
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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…
- Carla Romano
- Carla_Romano
- 2 mths ago
- 2 replies
- 27
- Carla Romano2 mths ago
- TOUGH2
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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'.…
- Ye Lei
- Ye_Lei
- 2 yrs ago
- 9 replies
- 68
- Daniel Carbajal2 mths ago
- TOUGH2
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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",…
- Godarzi K
- Godarzi_K
- 2 mths ago
- 12 replies
- 22
- Godarzi K2 mths ago
- TOUGH2
0
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'.…
- Ludovic Ricard
- Ludovic_Ricard
- 2 yrs ago
- 3 replies
- 237
- Godarzi K3 mths ago
- TOUGH2
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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.…
- Kodama
- Kodama
- 4 mths ago
- 8 replies
- 51
- Kodama4 mths ago
- TOUGH2
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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)?…
- sue
- sue
- 5 mths ago
- 8 replies
- 50
- Christine Doughtymoderator4 mths ago
- TOUGH2
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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.…
- Takahiro Nakajima
- Takahiro_Nakajima
- 5 mths ago
- 2 replies
- 31
- Takahiro Nakajima4 mths ago
- TOUGH2
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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.…
- Flybear
- Flybear
- 6 mths ago
- 1 reply
- 24
- Mikey Hannon6 mths ago
- TOUGH2
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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.…
- Alborz Fathinezhad
- Alborz_Fathinezhad
- 11 mths ago
- 2 replies
- 97
- Alborz Fathinezhad6 mths ago
- TOUGH2
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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),…
- Diego Bedoya Gonzalez
- Diego_Bedoya
- 6 mths ago
- 2 replies
- 45
- Diego Bedoya Gonzalez6 mths ago
- TOUGH2
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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.…
- Hu Zhaoyan
- Hu_Zhaoyan
- 7 mths ago
- 4 replies
- 56
- Hu Zhaoyan7 mths ago
- TOUGH2
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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,…
- Yashesh Panchal
- Yashesh_Panchal
- 8 mths ago
- 8 replies
- 54
- Yashesh Panchal8 mths ago
- TOUGH2
0
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
- Antonio Wu
- Antonio_Wu
- 9 mths ago
- 2 replies
- 31
- Antonio Wu9 mths ago
- TOUGH2
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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,…
- Liheng Wang
- Liheng_Wang
- 10 mths ago
- 6 replies
- 38
- Liheng Wang10 mths ago
- TOUGH2
0
Steady-state simulation of a low-type geothermal system
Dear TOUGH2 Users Good morning/afternoon This is my first post to this forum and I’d like to receive guidance and help to perform a steady-state natural simulation model of a low-type geothermal…
- Hakim
- Hakim
- 1 yr ago
- 19 replies
- 174
- Christine Doughtymoderator10 mths ago
- TOUGH2
0
Liquid saturation definition
Recently, I showed my simulation results to my colleagues. I was asked a question, what is the liquid saturation and gas saturation. I have tried to explain, but I was confused finally.…
- Liheng Wang
- Liheng_Wang
- 10 mths ago
- 2 replies
- 19
- Liheng Wang10 mths ago
- TOUGH2
0
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
- Liheng Wang
- Liheng_Wang
- 10 mths ago
- 4 replies
- 36
- Liheng Wang10 mths ago
- TOUGH2

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