Study on Properties of Branched Hydrophobically Modified Polyacrylamide for Polymer Flooding

Table 2

The solubility of BHMPAM and HPAM.

Sample	Granularity (𝜇m)	Stirring rate (r/min)	Temperature (°C)	Concentration (mg/L)	Time (h)
BHMPAM^1	350~833	90	30	5000	2.5
BHMPAM^2	350~833	90	30	5000	4.3
HPAM^1	350~833	90	30	5000	1.6
HPAM^2	350~833	90	30	5000	2.4

(1: the solvent is distilled water; 2: the solvent is synthetic formation water.)