ANALYZING THE EFFECT OF INJECTION RATES ON OIL PRODUCTION DURING FAWAG PROCESS

Foam Assisted Water Alternating Gas (FA WAG) is one of Enhanced Oil
Recovery method to increase oil production. It can only be implemented to reservoir
already using water alternating gas (WAG) injection<1
•
311l.It can be placed in the
reservoir by either co-injection of liquid and gas at fixed quality, or surfactantalternating-
gas (SAG) injection. Studies confirmed that the use of foams for mobility
control successful in reducing problems like early gas breakthrough and poor sweep
efficiency.
This study is important as the aim of all EOR's process is to increase the oil
production. The purpose of this research is to analyse the effect of injection rates on oil
production during FA WAG process. It will focus on process and mechanism involved
during FA WAG process and also the SAG method.
The results shows high injection rates of surfactant are stronger than the gas
injection rates. However, injecting constantly high injection rates throughout the
production life might affect reservoir pressure. The water productions will also increase
as high surfactant slug injection rate is used.
By doing this study, it proves that FA WAG process can be implemented
commercially. The simulation works has been done to using ECLIPSE 100.