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Meaning of this error ?
I am trying to model a depressurization of hydrate system. Once i run the model, i get erroneous initialization error: What doe sit mean and how can i solve it? Element 541 lies in the hydrate zone,…
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INITIALIZATION ERROR
Hello All, @Kenny or anyone pls find attached my input file for tough+, i just finish inserting all my parameters from the MEMORY block using equilibrium with inhibitor,…
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The program stops unexpectedly
My file works, but it stops suddenly after a period of time. I have tried many methods, changing the grid, changing the parameter settings, changing the initial conditions,…
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GENER block injection fluid
Hello, There is an option for injection component on the TOUGH+HYDRATE GENER data block defined by COM1, COM2, COM3, etc. However it doesn't specify how we can inject a particular fluid into an…
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How to change the volume in ELEME Block
I am fairly new to TOUGH -Hydrate and just simulating through the default files available. I would like to know how to or where to add the volume of the reservoir in ELEME Data Block and will have…
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TOUGH+HYDRATE pre/post scripts
If there is any active user on T+H, is anyone interested in discussing pre and post processing options. After struggling for some time, I have managed to put some scripts in python to process both…
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TOUGH+RealGasBrine for CO2 injection
Hi, I am working on CO2 injection in depleted Oil and Gas reservoirs for enhanced oil recovery and sequestration. I am planning to buy TOUGH+RealGasBrine for this purpose,…
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Tough+Hydrate (Data oscillation)
I encountered a problem in the calculation process and want to ask for help. When processing the calculation results, it is found that the gas production rate will fluctuate sharply at the initial…
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Simulation Stopped without Error
Hi, everyone. I am trying to make simulation model for hydrate production with depressurization method using TOUGH+HYDRATE. To do this, I made 2D radial model (150*170 grid cells) to simulate the…
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The order of ELEME and CONNE will influence computation results
I used to think that ELEME and CONNE can be arranged in arbitrary order as long as the blocks provide same information, but recently I found changing the order of ELEME and CONNE can significantly…
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Area adjustment factor
I am currently doing some simulations of core based experiments using the kinetic model. With regards to terms in the equations I would like to confirm the notation.…
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About auxiliary equations.
In tough+hydrate equilibrium model without inhibitor, what auxiliary equations (besides three governing equations) are used to construct a solvable set of equations?…
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Inhibitor parameters in T+H
Browsing through the sample files I encountered the following two lines that sets up the inhibitor in the HYDRATE Section. In the manual, the following parameters are set for the variables…
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Suppress CO2 dissolution in TOUGH+RealGasBrine
I am trying to suppress CO2 dissolution in TOUGH+RGB (set CO2 solubility in brine as 0) to match with another model that doesn't take CO2 dissolution into consideration.…
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A question about computational parameters
If a simulation time is taking too many tile steps until it reaches the Max_NumTimeSteps parameter, but it has covered only a short of time simulated, what can be done in PARAM to optimize this.…
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Permeability (I) for a 2D cylindrical model
Hi, I have a query regarding initializing anistropic permeability in ROCKS for a 2D cylindrical geometry model. In the 3D case it is quite clear that PERM(I); i =1,2,3 stand for permeability in x,y,…
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Unexpected gas phase evolving
In a simulation case where no gas is defined nowhere in the initial conditions (Aqu with X_m_A=0) I am getting some values of gas at during the simulation.…
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How to set initial temperatures below zero
Hi again. I am attempting to model some occurrences where the boundary temperature is a couple of degrees below 0 degC. Whenever I set the temperature in INCON below zero,…
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Geo-gridding for TOUGH+
Hi, besides flat cartesian and axis-symmetric radial grids, is it possible to use in TOUGH+ a grid with tilted cells that honor geological dip like the added picture?
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Compare [cumulative CH4(m3) ] from Well_Time_Series vs Hydrate_Info
Hello everyone I have a very simple problem Tough+Hydrate (v1.5) : I m trying to compare Methane production from the two sources (i) released from HYDRATE DISSOCIATION (ii) Total Production at the…
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How to handle convergence
I am using a simple 2D grid to simulate the growth of hydrates after some gas injection occurs in the system. Ideally I would like to shut down the source (injector) and let the system evolve with…
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About TOUGH+HYDRATE error
Hello, I have a question about TOUGH+HYDRATE(T+H). I want to run cartesian model (gird : 57x57x61(total about 200000). But T+H doesn't operate, and I get the following error message on the terminal:…