Fine silica materials are used in some oil-well and industrial cementing systems to modify strength, permeability, stability or high-temperature behavior. The required product and dosage depend on the complete slurry formulation and downhole conditions.
A general concrete grade should not be substituted without laboratory qualification. Particle form, purity, moisture, bulk handling and compatibility with dispersants, retarders and fluid-loss additives must be evaluated under the expected pressure and temperature schedule.
Inquiry information
- Cement system and service temperature
- Target slurry density and thickening time
- Required silica chemistry and particle characteristics
- Applicable oilfield test method
- Packing and dust-control requirements
Hyborton can discuss available microsilica grades, but the user’s qualified cementing laboratory must approve the final formulation.