Functional polymer

Features: This product is made of a variety of functional monomers by grafting modification and other processes. Ordinary polyacrylamide in the application of high ambient temperature, the degree of hydrolysis to a certain extent, with the continuous improvement of the hydrolysis reaction, the viscosity of the polyacrylamide solution will enter a rapid downward trend, especially the degree of hydrolysis with the increase of temperature shows an exponential decline, when the temperature exceeds 80 ℃, the viscosity basically disappears. This product has good temperature resistance, salt resistance and stability due to the introduction of temperature-resistant and salt-resistant monomers in the macromolecular structure. When it is used as a thickening agent for acid fracturing, it has good solubility, high viscosity retention rate under high temperature and high salt conditions, simple formula, convenient preparation, and low residue. When used as oil displacement agent for tertiary oil recovery, it has the rheological properties of high temperature resistance, high salt resistance, shear resistance and high temperature and high salt complex environment that ordinary polyacrylamide does not have. Use: It is mainly used as a thickener during acidizing and fracturing operations. In the process of oil exploitation, it is mainly used as oil displacement agent for tertiary oil recovery. It is suitable for the reservoir environment with a temperature of 80 ℃ and a salinity of 13'104mg/L or a temperature of 100 ℃ and a salinity of 3.2 '104mg/L or less.

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ProjectPerformance indicators:			Indicators
Appearance			White powder
Solid content,%			≥88
Granularity,%	≥ 1.0mm		≤5.0
	≤ 0.2mm		≤5.0
Water insoluble,%			≤1
thickener	Swelling time, min		≤5
	Viscosity（300r/minor511s-1）, mPa·s	Clear Water	≥12
		100g/L Brine	≥6
oil displacement agent	Characteristic viscosity number, mL/g		≥1000
	Apparent viscosity, mPa · s		≥40