- At its medium to high WOR stage,water flooding is serious in main layers.
- SP logging is one of logging methods which van effectively distinguish resistivity of mixed liquid in formation after oil layer being water flooding.
- Aim at the problem of gas coning and oil coming into gas cap, water flooding barrier on GOC is used to solve to them.
- The depressurization development is a special method for increasing oil recovery rate by using unstable water flooding.
- In water flooding oilfields, casing failure in oil and water wells is a common problem but with different features.