Abstract
ABSTRACT This paper analyzes past enhanced oil recovery (EOR) projects to determine how well they have performed as a function of reservoir and process variables. In total, over 100 key tests covering the following six major enhanced oil recovery techniques are analyzed: Steam Drive, In-Situ Combustion, Carbon Dioxide Flooding, Polymer Flooding, Surfactant/Polymer Flooding, and Alkaline Flooding. The analysis includes, by technique and geographical area: The range of oil recovery due to EOR in barrel s per acre-foot and as a percentage of oil remaining in-place.A comparison between predicted performance and actual oil recovery.An examination of the performance of different EOR processes within each of the six techniques.An analysis of the relation of reservoir parameters and process variables to oil recovery.
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