Description

This is an extension of the benchmark study 3.1 published in Class H. et al. A benchmark study on problems related to CO₂ storage in geologic formations. Comput Geosci 2009, 13(4):409-434. DOI: 10.1007/s10596-009-9146-x. Instead of modelling a pure CO₂ injection, we simulate injection of an impure gas consisting of 90% of CO₂ and 10% of N₂. The injection gas should be regarded as a flue gas. The volume injection rate at the reservoir pressure and temperature is equal to that in the original study. Other parameters of the study have not been changed. The purification of CO₂ up to high separation levels of near 100% can be an expensive and time-consuming process for large injection rates. Therefore, injection of the CO₂-rich flue gas obtained by a partial removal of N₂ from an exhaust gas can be a part of competitive CCS technology. The example study aims at demonstrating the software applicability to the simulations of such co-injection scenarios.

 

Associated files

File	Version	Description
EXAMPLE-FLUE-GAS.RUN	2021.B	Input file for the example simulation of a flue gas injection.
EXAMPLE-H3.GRDECL	-	Formatted grid file.
EXAMPLE-H3.PORO	-	Porosity distribution.
EXAMPLE-H3.PERM	-	Absolute permeability distribution.
EXAMPLE-H3-LARGE.ACTNUM	-	You can reduce the number of grid blocks in the model by loading this ACTNUM array (load it using INCLUDE within MAKE-ENDMAKE brackets).
EXAMPLE-H3-SW-CUT.RUN	2021.B	Input file for the original problem 3.1 concerning a pure CO2 injection using the COMPS module.

Screenshots and animated figures

• Animated figure for the gas saturation, the N₂ molar fraction in gas, the gas density, and the brine density.

References

1. Afanasyev A., Vedeneeva E. 2021 Compositional modelling of multicomponent gas injection into saline aquifers with the MUFITS simulator. Preprint. Submitted.
2. Class H. et al. 2009 A benchmark study on problems related to CO₂ storage in geological formations. Comput. Geosci. 13(4):409-434. DOI:10.1007/s10596-009-9146-x;
3. The original dataset for the case study can be found on the website;
4. Afanasyev A.A. 2013 Application of the Reservoir Simulator MUFITS for 3D Modelling of CO₂ Storage in Geological Formations. Energy Procedia. 40, P.365-374. DOI: 10.1016/j.egypro.2013.08.042.
5. Afanasyev A. et al. 2016 Validation of the MUFITS reservoir simulator against standard CO₂ storage benchmarks and history-matched models of the Ketzin pilot site. Energy Procedia. 97: 395-402. DOI:10.1016/j.egypro.2016.10.032.