FEASIBILITY STUDY OF CO2 INJECTION FOR ENHANCED SHALE GAS RECOVERY
Hydrocarbon resources from shale gas reservoirs are becoming very important in recent years to fill the gap between demand and supply. The latest technology in well drilling and fracturing have proven to be an effective method for shale gas reservoirs exploitation and has been used in produce hydroc...
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| Format: | Final Year Project |
| Language: | English |
| Published: |
IRC
2014
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| Subjects: | |
| Online Access: | http://utpedia.utp.edu.my/14554/1/FYP%2014570.pdf http://utpedia.utp.edu.my/14554/ |
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| Summary: | Hydrocarbon resources from shale gas reservoirs are becoming very important in recent years to fill the gap between demand and supply. The latest technology in well drilling and fracturing have proven to be an effective method for shale gas reservoirs exploitation and has been used in produce hydrocarbon from shale reservoirs. However, the hydrocarbon recovery from shale reservoirs is very low. Hence, this research study will explore more about the feasibility of CO2 injection to enhance shale gas recovery and find out its screening criteria. The aims of this study are to evaluate the physical mechanism of gas recovery that is adsorption and analyse the effective scenario of CO2 injection in order to enhanced shale gas recovery. A basic shale gas reservoir model with and without CO2 flooding is simulated to evaluate its efficiency in enhancing shale gas recovery. The isotherm parameter analysis for CO2 and CH4 is also conducted to evaluate the adsorption. The adsorption give impact to the total gas in place. By considering adsorption and injection, the cumulative gas production increase and the average pressure deplete slowly. CO2 injection has potential in enhanced shale gas recovery as the result shows the increment of gas mass by 1.83%. |
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