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Program received signal SIGSEGV: Segmentation fault - invalid memory reference
Hello, the problem as stated above occurs. The model is made for methane, ethane and water reservoir. The formation is to be fractured with water. how can the above problem be resolved? Thanks.
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Big alternating in/out fluxes along sloped water table boundary
Hello, I am using iTOUGH2-ECO2N to investigate upwelling of CO2-laden brine into a shallow aquifer system, but I am having a problem with the initialization of the flow model and would appreciate…
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Pressure loss
Hello, I am using TOUGHREACT to model a core-flood experiment. One end is closed and has CO2 and/or brine injected in and the other is set to be an inactive node to simulate the constant pressure at…
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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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Is it possible to compute a simulation with OH- as primary species?
Dear all, I would like to know if it is possible to compute a simulation by using a database with OH- as primary species. I used the kswitch utility in order to switch a database with H+ to OH- as…
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iTOUGH2 version 7.1
Hi, I was trying to run an example with iTOUGH2 (ver 7.1) - T2VOC for sensitivity analysis, but got an error message (screenshot attached). There was no problem when I tried with same input files…
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Injecting Methane in TOUGH+RealGasBrine model, but none appears in output
Hello, I am trying to run a simple 1-D model in which I inject gas phase methane into an initially water-saturated column of rocks. I have been able to model this system using TOUGH2-EOS7C and…
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Porosity reduction by hydrate/ice deposit
Hi, I have a question regarding the porosity reduction of a rock after hydrate/ice formation. I see that there is the compressibility and expansivity option on the ROCKS data block which determines…
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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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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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Natural State geothermal model calibration using itough2
Hello everyone. I have been modelling the natural state of a geothermal field (which shows excellent convection) using TOUGH2. I have achieve almost perfect fits for a section of the field,…
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erroneous initialization
how to solve errors with erroneous initialization? and also the errors regarding temperature out of range?
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The relationship between S_l and P_cap is not consistent with the van Genuchten function
Hi, I am using ECO2N for simulating CO2 storage. I wanted to verify that the relationship between the liquid saturation, S_l, and the capillary pressure, P_cap,…
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Maximum MCYC
Hi. Although I set MCYC (maximum number of time steps) to more than 1000, TOUGH2 calculation stops at KCYC=1000. Is maximum value of MCYC 1000 ? (This is not described in TOUGH2 manual...…
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Is there a limit of injection rate that an element can accept?
Hi, I am running a 2-D planar, unidirectional flow with injection and production at both ends (actually, simulating an aquifer). But I found if I increase the injection rate more than a certain…
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Cells with time-dependent concentration?
Hi, I found that time-dependant boundary conditions in flow are possible in TOUGH2 by using FOFT and GOFT blocks, but is it also possible to have a time-dependent concentration at certain element?…
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water, vapor and heat coupled modeling in 2D/3D
Hello all, Is TOUGH3 able to couple water, vapor and heat transfer in a 2 or 3 dimensional unsaturated zone model? I mean to do 2D/3D vapor transport modeling in semi-arid region with a atmosphere…
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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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Initializing simulation with sorbed species
First, this is my first foray into building up my own TOUGHREACT simulations, so I apologize if this is a question I should have figured out by reading the manual more closely.…
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Error compiling the utility kswitch_v2.3.f
I'm attempting to compile the kswitch_v2.3.f source code that came with TOUGHREACT v3.32. I'm using the gfortran compiler, and if this is relevant, I'm running this on Ubuntu v 17.10 as my OS.…
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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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EOS1 with 2nd water. Some issues ...
Hello everybody, I'm quite new to Tough2, and trying to build my 1st case. So far I managed to run a very simple case with 2 wells (1 producer / 1 injector) in a water filled reservoir.…
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Enthalpy Discrepancy
Hello There, I was just wondering what the reference state for the enthalpy of water in TOUGH2 is? The reason is I would like to define water infiltration (precipitation) with a temperature of 20˚C.…
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Time stepping with 'infinite volume' boundaries
Hello, I was wondering if you all could help me understand the time stepping of a soil model I’m building. I would like to model annual soil carbonate formation and dissolution dynamics in a soil.…
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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…