Chemical Migration and Emulsification of Surfactant-Polymer Flooding

Table 5

Emulsification changes at each point.

Sampling point (cm)	Emulsifying period (PV)	Initial emulsification (PV)	Intermediate emulsification		Final emulsification (PV)
			Medium (PV)	Stable (PV)
50	2.5	0.2–0.5	0.5–1.2	1.2–1.5	1.6–2.6
150	2.28	0.29–0.0.57	0.57–1.43	1.43–2.29	2.38–2.48
250	2.08	0.46–0.73	0.82–1.54	1.54–2.27	2.27–2.45
350	1.81	0.78–1.21	1.21–1.55	1.55–2.25	2.25–2.59
450	1.39	1.14–1.55	1.55–2.13	2.13–2.37	2.37–2.53
550	1.22	1.31–1.62	1.62–1.93	1.93–2.39	2.39–2.53
600	1	1.38–1.45	1.45–1.60	1.60–2.1	2.1–2.45