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  Temperature tolerant and salt resistant anionic polyacrylamide

1. Product characteristics

It is designed for the use of wastewater of oilfield’s tertiary recovery .to make recycling use of the wastewater recovered and benefit the environment.it is a polyer used to solve the problem of tertiary recovery in high salt and temperature oilfield blocks,it is developed to maintain ternary system’s high viscosity value in tertiary combination flooding.

2.specifications

Specification

RT-KY-1

RT-KY-2

Solid content(%)

≥89

Molecular weight(million)

≥25

≥30

Hydrolysis degree(%)

22-27

Dissolution time(h)

≤2

Viscossity(mpa.s)

Concentration(1000mg/l)

Mineralization(5727mg/l)

Test temperature(70°C)

≥11.5

≥12.5

Viscossity(mpa.s)

Concentration(1000mg/l)

Mineralization(2500mg/l)

Test temperature(45°C)

≥40

≥45

Shear viscosity retention rate(%)

≥80

≥80

Static adsorption viscosity retention rate(%)

≥80

≥80

3. Application

Used as oilfield displacement agent for high temperarture and hypersalinity formation.most oil reservoirs in china are in high temperature and hypersalinity formation.formation temperature is usually above 70°C and formation mineralization degree is generally above 4000ppm.temperature tolerant and salt resistant polyacrylamide we developed can stand temperature at above 85°C and salt 20000ppm,it is fully in compliance with requirements for oil recovery in high temperature and hypersalinity formation.

4. Product package

25 Kg paper plastic three-in-one compound woven bags, or according to users’ requirement; Its shelf life is 2 years.

5. Attention

The product is moisture absorbent, thus to protect from damp and moist for conservation. It should be stored in a dry and ventilate storehouse, and not be exposed to air and sunshine.