ADcomps

ADcomps is a multi-phase compositional simulator which is able to model and evaluate the development performance of CO2 injection considering the adverse effect CO2 solubility. Finding a creative algorithm that correlates the phase behavior of oil-water(polar-nonpolar) system and solving non-linear flow equations through Newton iteration efficiently are the two most challenging parts. This simulator uses more rigorous fluid phase equilibrium theories(EOS+Wong-Sandler mixing rule+NRTL model) to consider the solubility of CO2 in the aqueous phase compared with leading commercial simulators. ADcomps followed the coding convention of MRST which is a valuable open source simulator embedding in MATLAB. This simulator is developed base on the framework of MRST 2017a and it should be run with the corresponding version.

Installation

1. MRST 2017a(https://www.sintef.no/Projectweb/MRST/);
2. ADcomps (add the path of ADcomps into the modules of MRST);

Try the ADcomps example

1. Run the startup in MRST;
2. Run the compositionalExample in ADcomps.

Fig. 1 CO2 solubility in water (mol%) during CO2 flooding calculated by ADcomps

Fig. 2 The performance of ADcomps compared with ECLIPSE where water is treated as an inert phase

The framework of ADcomps

Note: ADcomps moudules are marked with red flags

Notice

1. I upload the ECE as a zip file. It should be uncompressed before running the example;
2. It sometimes goes wrong because of the path. If the scripts fail to add the files automatically, please add them into the MATLAB environment manually.