Research Article

Low-Abundance Dietzia Inhabiting a Water-Flooding Oil Reservoir and the Application Potential for Oil Recovery

Figure 7

Oil production performances (I) and changes of dominant microbial populations (II) in the oil production wells 7253 (a), 7222 (b), 72648 (c), and 7220 (d) in the nutrient injection process. In part II, the dominant populations refer to Pseudomonas, Arcobacter, Acinetobacter, and Marinobacterium.