1. Product introduction
The first grade barite powder as weighting agent 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 | ≥4.20，4.30＜ | |
| 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. 使用方法
加量：视井下需要。