Pipeline Transportation of Carbon Dioxide Containing Impurities
5 Pipeline Transportation of CO2
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CO2 injection techniques for enhanced oil recovery (EOR) have been growing steadily since early 1970s . In 2002, in the USA, the number of CO2 injection projects exceeded the number of thermal recovery. The following are reasons for this increase and the continuing trend:
• CO2 remains a dense fluid over much of the range of reservoirs pressures and temperatures.
• CO2 is miscible or partially miscible with many hydrocarbon components of crude oil at reservoir conditions.
• Dense CO2 has low solubility in water compared to oil.
• CO2 at high pressures has higher viscosity comparing to other gases...