Rock Deformation Caused by Different Fluid Injection for CO2 Sequestration Technique

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Avirut Puttiwongrak

Abstract

The increase of CO2 emission in the atmosphere has a consequence on the global warming. CCS (Carbon dioxide Capture and Storage) is an effective tool to mitigate CO2 emission, but surface uplifting due to reservoir expansion is a problem caused by CSS project that needs to be concerned. This research aims to study and show a significant property of the fluids that are injected into suitable reservoirs in order to mitigate global warming problems. The laboratory tests and the geomechanical model are simulated rock deformations caused by CO2 injection for CCS projects. The results show that the different fluid properties produce the different rock deformations. The fluids with high mobility and penetration resulted in better rock deformation. Consequently, the pore pressure is not a single related factor for the calculation of the rock deformations. The property of injected fluid also plays an important role for the rock deformation and should be paid more attention.

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บทความวิจัย

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