China Temperature-Salt-Resisting Polyacrylamide for Oil Drilling, Find details about China Polyacrylamide, Polyacrylamide for Oil Drilling from Temperature-Salt-Resisting Polyacrylamide for Oil Drilling
Technical index | BWEOR-1 | BWEOR-2 | BWEOR-3 |
Granularity (mesh) | 20-80 | ||
Solid (%) | ≥ 89 | ||
Dissolved time(h) | ≤2 | ||
Insoluble matter (%) | ≤0.2 | ||
Molecular weight(106) | ≥2000 | ≥2500 | ≥3500 |
Degree of hydrolysis (%) | 23-27 | ||
Residual monomer (%) | ≤0.1 | ||
filtration ratio | ≤2.0 | ||
Apparent Viscosity (mpa . s) Concentration (1500mg/L) degree of mineralization (19334mg/L) Temp.( 75 ) | ≥11.5 | ≥12.5 | ≥12.5 |
Apparent Viscosity (mpa.s) Concentration (1000mg/L) degree of mineralization (2500mg/L) Temp.( 45 ) | ≥40 | ≥45 | ≥50 |
Retention rate of shearing Viscosity (%) | ≥80 | ||
Retention rate of static adsorption Viscosity (%) | ≥80 |