Study on Relation between Hydrodynamic Feature Size of HPAM and Pore Size of Reservoir Rock in Daqing Oilfield

Table 4

The different polymer system hydrodynamic feature size.

MW, 10^4	, mg/L	, μm
		Clear water	Sewage
800	1000	0.34	0.17
1500	500	0.25	0.11
	1000	0.46	0.3
	1500	0.59	0.45
	2000	0.71	0.59
	2500	0.82	0.72
1700	1000	0.48	0.33
2500	1000	0.53	0.42