Course objective: Introducing students to impact and processes regarding secondary recovery methods of waterflooding in order to enhance oil recovery.

Course content:

• Reservoir pressure maintenance – overview of fundamental methods and links to primary oil recovery;
• Advantages and limitations of using the material balance equations (MBE) in waterflood analysis, part I;
• Advantages and limitations of using the material balance equations in waterflood analysis, part II;
• Impact of reservoir and technoeconomical parameters on the decision regarding the starting point of waterflooding, part I & II;
• Displaced oil and displacing fluid mobility ratio and gravitational segregation;
• Microscopic and macroscopic sweep efficiency;
• Impact of production and injection wells pattern on waterflooding efficiency, part I & II;
• Caudle-Whitt method for waterflood analysis, part I & II;
• Stiles method for waterflood analysis, part I & II;
• Dykstra Parsons method for waterflood analysis;
• Craig-Geffen-Morse method for waterflood analysis; etc.

Learning outcomes at the level of the course

• Elaborate the mechanism of waterflooding in the case of immiscible conditions;
• Elaborate the impact of specific parameters on starting the implementation of secondary recovery methods;
• State the advantages and limitations of using the material balance equations in waterflood analysis;
• Analyse the optimal production and injection wells pattern;
• Use analytical methods to describe waterflooding;
• Evaluate effects of waterflooding by using technoeconomical analysis.