1. Advantages:☆ Impart viscosity and suspension properties to oil-based drilling fluids.
☆ Used to gel oil drilling fluids for long-term suspension of weighting agents in drilling and packer fluids.
☆ Stable at temperatures approaching 176ºC
☆ Aids in filtration control
☆ Usually preferred in mineral oil based fluids. Should not be used in high performance clay-free oil based drilling fluids.
2. Typical Properties:
| Color | Appearance | Density | Moisture (@105ºC,2hrs) | Fineness through 200 mesh | Loss on Ignition ( @1000ºC ) |
| Light Yellow | Free Flowing Powder | 1.6g/cm3 | ≤4.0% | ≥84% | ≥37% |
3. Typical Applications:
Helps viscosify any oil-based drilling fluid
Helps improve hole cleaning during drilling and workover operations
Gel oil muds for long-term suspension of weighting agents in packer fluids and casing packs
4. Typical Treatment:
Add 2-15lb/bbl(5.71-42.80kg/m3) of BP-500A-3 viscosifier slowly through the hopper.
Note:Decrease yielding time by adding a small stream of water through the hopper at the same time.




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