
Barite 4.1 – 4.2
Description
Barite 4.1–4.2 has a high specific gravity, is chemically inert, and has very low solubility in water and chemicals. These properties make barite a widely used material in various industries, including oil and gas well drilling, paint manufacturing, plastic production, and other chemical applications. It is supplied in powder form and has a relatively soft texture with high density.
Use of Barite in Drilling Industry
One of the most important applications of barite is in drilling mud. Drilling mud is a thick fluid used during oil and gas well drilling and serves multiple functions, including:
- Transporting rock cuttings to the surface
- Cooling and cleaning drilling tools
- Controlling subsurface formation pressure
- Stabilizing wellbore walls
- Preventing oil and gas leakage
Barite is used as a weighting agent in drilling mud and increases hydrostatic pressure inside the well, which is critical for controlling subsurface pressures.
Optimal Barite Density
Barite used in drilling must have a density between 4.0 and 4.3 g/cm³. A density above 4.3 increases drilling mud viscosity excessively and makes drilling operations difficult and costly. On the other hand, a density below 4.0 reduces the mud’s ability to control pressure and increases safety risks.
Key Applications of Barite
- Formation pressure control: increasing drilling mud weight to counter subsurface pressure
- Wellbore stabilization: preventing collapse of well walls
- Cuttings transport: carrying drilled materials to the surface
- Cooling and cleaning tools: reducing tool temperature and preventing particle buildup
- Leak prevention: helping prevent oil or gas leakage from the well
Importance of Drilling Barite
Barite is one of the essential materials in oil and gas drilling operations. Its use improves safety, increases efficiency, and reduces overall drilling costs.

Information
25111010
HS Code
FCA, FOB, CIF, CFR, CPT Based on customer’s inquiry
Deliver Terms
Jumbo bag 1.5MT
Packaging
Iran
Origin
Product analysis results table
Barite 4.10
| No. | Test Name | Measured Value | Allowed Limit | Unit | Remarks / Test Method |
|---|---|---|---|---|---|
| 1 | Specific Gravity (SP.GR) / Solution Density | 4.10 | Min 4.10 | g/cm³ | Before gypsum addition |
| 2 | Soluble Alkali Metals as Calcium (Ca) | 120 | 120 | ppm | |
| 3 | Water Soluble Solids (W.S.S) | 0.04 | 0.04 | % | |
| 4 | Apparent Viscosity (Vis) | 90.95 | cps | Before and after gypsum addition | |
| 5 | pH | 6.5 | 6.5 | At room temperature and 180°F | |
| 6 | Residue on ASTM Sieve No. 20 (200 mesh) | 2 | 2 | % | |
| 7 | Residue on ASTM Sieve No. 32 (325 mesh) | 12 | 12 | % | |
| 8 | Moisture | 0.2 | Max 0.2 | % | |
| 9 | BaSO₄ Purity | 91 | Min 91 | % |
Barite 4.20
| No. | Test Name | Measured Value | Allowed Limit | Unit |
|---|---|---|---|---|
| 1 | Soluble Gravity | 4.20 | Min 4.20 ± 0.03 | g/cm³ |
| 2 | Water-soluble alkaline earth metals as calcium | 130 | ppm | |
| 3 | Residue on ASTM sieve No. 20 (200 mesh) | 0.10 | % | |
| 4 | RPM 600.2 | 95 |
