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Comparison of nitrogen and carbon dioxide as cushion gas for underground gas storage reservoir
Using nitrogen and carbon dioxide as cushion gases can bring economic profit due to their cheap costs. However, the different properties of these gases cause differences in behavior when operating in underground gas storage (UGS). In particular, the mass density of nitrogen gas is similar to methane, while carbon dioxide is much heavier than methane in reservoir conditions. These differences cause loss of inert gas or productivity to vary. From this perspective, it is crucial to analyze the behavior of nitrogen and carbon dioxide during the operation of UGS reservoir. The purpose of this study is to evaluate loss of inert gas of injected gas and to determine productivity according to different cushion gases. A simulation research was performed to compare the effects of nitrogen and carbon dioxide and their behavior. The results showed that nitrogen has less loss of inert gas than carbon dioxide, but reduced productivity compared with carbon dioxide.
Comparison of nitrogen and carbon dioxide as cushion gas for underground gas storage reservoir
Using nitrogen and carbon dioxide as cushion gases can bring economic profit due to their cheap costs. However, the different properties of these gases cause differences in behavior when operating in underground gas storage (UGS). In particular, the mass density of nitrogen gas is similar to methane, while carbon dioxide is much heavier than methane in reservoir conditions. These differences cause loss of inert gas or productivity to vary. From this perspective, it is crucial to analyze the behavior of nitrogen and carbon dioxide during the operation of UGS reservoir. The purpose of this study is to evaluate loss of inert gas of injected gas and to determine productivity according to different cushion gases. A simulation research was performed to compare the effects of nitrogen and carbon dioxide and their behavior. The results showed that nitrogen has less loss of inert gas than carbon dioxide, but reduced productivity compared with carbon dioxide.
Comparison of nitrogen and carbon dioxide as cushion gas for underground gas storage reservoir
Kim, Joohyung (Autor:in) / Choi, Jinsuk (Autor:in) / Park, Kanghee (Autor:in)
Geosystem Engineering ; 18 ; 163-167
04.05.2015
5 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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