Adaptability Study of Hot Water Chemical Flooding in Offshore Heavy Oilfields

Table 3

Influence of viscosity on the effect of different development methods.

Parameters	Recovery factor at different viscosity (%)					Maximum difference between recovery factor (%)
	200 mPa·s	400 mPa·s	600 mPa·s	800 mPa·s	1000 mPa·s
10-year water flooding	14.66	11.73	10.15	9.06	8.21	6.45
10-year hot water chemical flooding	25.97	21.83	17.91	14.65	12.17	13.80