Study on Compatibility of Polymer Hydrodynamic Size and Pore Throat Size for Honggang Reservoir

Table 3

Changes in the hydrodynamic dimensions of the produced liquid from polymer solution.

Kg; mD	p1		p2		p3		p4
	, m	Loss rate, %	, m	Loss rate, %	, m	Loss rate, %	, m	Loss rate, %
300	0.24	4.0	0.34	5.6	0.46	9.8	0.52	18.8
180	0.23	8.0	0.32	11.1	0.42	17.6	0.45	29.7
75	0.22	12.0	0.28	22.2	0.34	33.3	0.36	43.8

The hydrodynamic dimensions of 4 kinds of polymer solutions p1, p2, p3, and p4 with 100 mg/L concentration are 0.25 m, 0.36 m 0.51 m, and 0.64 m, respectively (the order was ranked by their molecular weights).