Mechanistic Simulation of Foam Injection in the Sandstone Oilfield to Optimize the Oil Recovery Enhancement
Foam flooding is considered as one of the beneficial chemical enhanced oil recovery techniques to increase the value of gas viscosity and, thereby, the recovery of the produced oil would be improved dramatically, more than other methodologies. The objective of this comprehensive study is to determine a suitable injection model for Iran’s heterogeneous sandstone reservoir. Hydrolyzed polyacrylamide (HPAM) concentration in the foam solution has the most recovery factor in this case. Consequently, a concentration of 1200 ppm of HPAM in the foam solution produces a high volume of oil even after 10 years. Furthermore, by selecting three cores from the three wells in this field, it is clear that, owing to the increasing volume of foam in the injection fluid, the pressure dropped dramatically, leading to the production of a bigger volume of oil.
KeywordsFoam solution Hydrolyzed polyacrylamide concentration Enhanced oil recovery Heterogeneous sandstone reservoir
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