Geza Udvardi Laszlo Gerecs KFV Oil & Gas Co. Hungary Yasuo Ouchi Fumio Nagakura Mitsubishi Heavy Industries Ltd. Tokyo Edward A. Thoes Consultant Athens, Tex. Charles B. Wallace Shell Oil Co. Houston Use of a Shell Oil Co. gas-dehydration process in a Hungarian enhanced oil recovery (EOR) project has permitted maintenance of CO2 supercritical pressures and economic gas movement rates. Since the early 1970s, carbon dioxide (CO2) produced in Hungary's Budafa field (Fig. 1) has been used in several of the country's EOR projects. For the early projects, minimal processing was required because CO2 was injected in...

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