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Title: Development of a method for evaluating carbon dioxide miscible flooding prospects. Final report

Technical Report ·
DOI:https://doi.org/10.2172/5915960· OSTI ID:5915960

Research was undertaken to develop a method of evaluating reservoirs as prospects for carbon dioxide flooding. Evaluation was to be based on a determination of miscibility pressure and displacement efficiency under idealized conditions. To reach the objective, project work was divided into five areas: (1) conducting of phase-equilibrium studies of carbon dioxide with synthetic oils; (2) application of an equation of state to simulate the phase behavior of carbon dioxide - oil systems; (3) conducting of linear displacements of crude oils and synthetic oils by carbon dioxide in a slim-tube apparatus; (4) application of the equation of state, the phase-behavior data and slim-tube data to develop a method of screening reservoirs for carbon dioxide flooding based on determination of minimum miscibility pressure and displacement efficiency; (5) development of a one-dimensional mathematical model, based on the equation of state, for application in conjunction with the results of Parts 1 to 4. The accomplishments for these five areas are discussed in five chapters. 44 references, 90 figures, 42 tables.

Research Organization:
Kansas Univ., Lawrence (USA)
DOE Contract Number:
AC19-79BC10122
OSTI ID:
5915960
Report Number(s):
DOE/BC/10122-50; ON: DE85000119
Country of Publication:
United States
Language:
English