methods of oil recovery

1. Oil recovery
Roeva Kristina

2. Types of recovery
 Primary
 Secondary
 IOR (Improved oil recovery)
 EOR (Enhanced oil recovery)

3. Primary oil recovery
1. Initial pressure
2. Different types of drives:
 Water-drive
 Gas-drive
 Dissolved gas drive

4. Secondary recovery
 Chemical treatment
 Fracturing
 Gas lift
 Steam injection

5. IOR (Improved oil recovery)
 Horizontal wells
 Time-lap seismic analyses
 Small completion

6. EOR (Enhanced oil recovery)
 CO2 injection
 Water flooding

7. Oil recovery
 http://www.youtube.com/watch?v=IOT
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