Preparation and Characterization of Hydrophobic-Associated Microspheres for Deep Profile Control in Offshore Oilfields

Table 2

Reaction conditions of terpolymers.

Identification code	AM (g)	DMC (g)	DEA (g)	DEA mol%	H2O (g)
PADD-0.0	19.80	15.69	0	0	64
PADD-0.16	19.36	15.36	0.64	0.16	64
PADD-0.22	19.21	15.24	0.88	0.22	64
PADD-0.28	19.05	15.14	1.11	0.28	64
PADD-0.34	18.89	15.02	1.34	0.34	64

The concentration of ethylenediaminetetraacetic acid disodium salt and urea were at 56 and 3 × 10⁴ mg·L⁻¹, respectively.