1. Product introduction
The weighting agent 4.05g/cm3 barite powder for drilling fluid is processed from high-grade barium sulfate ore by washing, crushing and flotation. The product has good stability.
2. Product performance index
| Item | Index | |
| Density, g/cm3 | ≥4.05，4.20< | |
| Water soluble alkaline earth metal content (calculated by calcium), mg/kg≤ | 200 | |
| Acid solubility, %≤ | 10 | |
| 75 µ m sieve residue (mass fraction), ％≤ | 3.0 | |
| Viscosity effect, （mPa·s） | Before adding calcium sulfate | ≤110 |
| After adding calcium sulfate | ||
3. Function and purpose
The product increases the density of drilling fluid in drilling fluid; Stabilize the wellbore by increasing the density of drilling fluid; Balance formation pressure by increasing drilling fluid density.
4. Usage
Dosage: according to underground needs.