Comparison of oil displacement mechanisms and performances between continuous and dispersed phase flooding agents

Zhe SUN,Xingcai WU,Xiaodong KANG,Xiangguo LU,Qiang LI,Weidong JIANG,Jing ZHANG

Table 5 Comparison of field test results of continuous and dispersed flooding systems.

Flooding agent Maximum oil increase multiple in chemical injection Maximum oil increase multiple in subsequent waterflooding Maximum water cut decrease extent in chemical injection/% Maximum water cut decrease extent in subsequent waterflooding/% EOR effective time/Month Continuous phase 1.1 0.9 32.2 34.1 37 Dispersed phase 2.9 2.1 46.2 56.3 46