Study on a Novel Water-Soluble Hydrophobically Associating Polymer as an Enhanced Heavy Oil Recovery Agent

Figure 1

One-dimensional sand-packed model for EOR. 1: ISCO pump; 2: heavy oil; 3: polymer solution; 4: NaCl solution; 5: valves; 6: one-dimensional sand packed model; 7: pressure acquisition system; 8: constant temperature box; 9: sample device; 10: computer.