Additives that control how oil-well cement behaves downhole — set time, rheology, fluid loss, gas migration, density and long-term zonal isolation. Compatible with all API class cements and proven across high-pressure, high-temperature and corrosive wells.
O-UniFLC5
Fluid Loss Controller
Controls cement-slurry fluid loss across all densities, light to ultra-heavy.
60–400°F (15–204°C)0.3–1.5% BWOCPowder (red-brown)
Request Data Sheet →O-GasBlock
Anti Gas Migration Additive
Prevents gas migration and controls fluid loss in a single additive.
60–400°F (15–204°C)0.1–2.0 gal/skLiquid (dark red)
Request Data Sheet →O-MicroBlock
Microsilica Gas-Migration & Multi-Benefit Additive
Microsilica additive that controls gas migration and boosts strength and stability.
60–350°F (15–177°C)0.3–1.3 gal/skLiquid (grey-reddish)
Request Data Sheet →O-R12
High Temperature Retarder
Delays cement set at high temperature without premature gelation.
180–400°F (82–204°C)0.1–1.5% BWOCPowder (brown & white)
Request Data Sheet →O-R5
Low Temperature Retarder
Delays cement set at low to intermediate temperature, linearly and predictably.
60–210°F (15–99°C)0.1–1.5% BWOCPowder (reddish-brown)
Request Data Sheet →O-CFR4
Oil Well Cement Dispersant
Disperses cement solids to lower viscosity and enable high-density slurries.
60–400°F (15–204°C)0.1–1.5% BWOCPowder (brown-reddish)
Request Data Sheet →Magneset Thinner
Sorel-System Friction Reducer
Reduces friction and improves rheology in Sorel cement systems.
100–350°F (38–177°C)2.8–12.2 lb/bblWhite fine, flowing powder
Request Data Sheet →Calcium Chloride
Set Accelerator
Accelerates set and early strength in low-temperature wells.
40–140°F (4–60°C)2–4% BWOCWhite granule
Request Data Sheet →Sodium Chloride
Accelerator / Rheology Aid
Accelerates set and improves rheology in densified slurries.
0–230°F (-18–110°C)5–37% BWOCWhite granule
Request Data Sheet →O-Extender
Lightweight Extender
Lowers slurry density and improves rheology for lightweight designs.
80–290°F (27–143°C)10–50% BWOCVery pale tan
Request Data Sheet →Bentonite
Cement Extender
Extends cement slurries and improves rheology for lightweight systems.
80–230°F (27–110°C)0.1–25% BWOCGrey powder
Request Data Sheet →O-HSL
High Strength Lightweight Enhancer
Raises 24-hour strength by 50%+ in lightweight, low-temperature slurries.
1–5% BWOCLight white powder
Request Data Sheet →HiDense
Heavy Weight Additive
Increases slurry density with no effect on strength or thickening time.
80–500°F (27–260°C)10–150% BWOCPowder (reddish-black)
Request Data Sheet →O-MicroSilica
Compressive-Strength Enhancer (Lightweight)
Boosts strength and stability and removes free water in lightweight slurries.
60–400°F (15–204°C)1–30% BWOCGrey free-flowing powder
Request Data Sheet →O-Silica Flour
Anti-Retrogression Additive
Prevents cement strength retrogression at high temperature.
212–500°F (100–260°C)30–40% BWOCWhite free-flowing powder
Request Data Sheet →O-Spacer
Displacement Spacer
Displaces drilling mud from the annulus ahead of the cement.
80–400°F (27–204°C)Free-flowing powder
Request Data Sheet →O-ChemWash
Annulus & Casing Wash (Water-Based)
Removes water-based mud residue to improve cement bonding.
80–350°F (27–177°C)5% v/vLiquid (reddish-brown)
Request Data Sheet →O-Surf
Annulus & Casing Wash (Oil-Based Mud)
Removes oil-based mud deposits from the annulus and casing.
80–350°F (27–177°C)5% v/vLiquid (red)
Request Data Sheet →O-NF3
Anti-Foam / Defoamer
Reduces air entrainment so the slurry reaches target density.
80–350°F (27–177°C)0.01–0.02% BWOCColorless liquid, alcohol-based
Request Data Sheet →O-Brine
Bromide-Free Well-Servicing Fluid
High-density, bromide-free fluid for completion and well servicing.
Clear colourless liquid108–111 pcf
Request Data Sheet →