1. Product introduction
The product is 4.30g/cm3 barite powder as weighting agent for drilling fluid, which is processed from high-grade barium sulfate ore through washing, crushing, flotation and other processes. It has good stability and is an indispensable weighting agent for high-density and ultra-high-density drilling fluid system.
2. Product performance index
| Item | Index | |
| Density, g/cm3 | ≥4.30 | |
| Water soluble alkaline earth metal content (calculated by calcium), mg/kg | ≤100 | |
| Acid solubility, % | ≤10 | |
| 61 µ m sieve residue (mass fraction), ％ | ≤3.0 | |
| Viscosity effect,（mPa·s） | Before adding calcium sulfate | ≤140 |
| After adding calcium sulfate | ||
3. Purpose and function
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.