Special high density barite powder for drilling fluid
Item | Target |
1 | 2 | 3 |
Density | 4.30 | 4.25 | 4.2 |
Water soluble solontz metal | 150.0 | 200.0 | 250.0 |
Max residue on 250 mesh sieve | 3.0 | 3.0 | 3.0 |
Max residue on 3000 mesh sieve | 30 | 30 | 30 |
Surface viscosity | 70 | 80 | 90 |
Refined barium sulfate
Target and type | 400 mesh | 800 mesh | 1250 mesh | 2000 mesh | 3000 mesh |
BaSO4 % | ≥90 | ≥90 | ≥95 | ≥95 | ≥95 |
PH | 6.5-8.5 | 6.5-8.5 | 6.5-8 | 6.5-8 | 6.5-8 |
whiteness | ≥90 | ≥90 | ≥92 | ≥92 | ≥92 |
Water solution | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 |
Oil absorption g/100g | 15-25 | 15-25 | 18-25 | 18-25 | 18-25 |
Moisture % | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 |