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Heating of heavy oil by circulating hot water in closed double casing in ultra-deep wells
2012
Petroleum Science
Preserved Fulltext
methods to allow it to be lifted easily. Heating of heavy oil in an oil well is achieved by circulating hot in a vertical wellbore. The temperature and pressure of produced fluids and hot water in the wellbore that the hot water circulating in the annuli may effectively heat the heavy oil in the tubing, so as to
doi:10.1007/s12182-012-0235-4
fatcat:4q5ohaxo5jcj7foyouni2bzbqu