E P Lubricant (Water based)
EP Lubricant is a specialized, water-dispersible drilling fluid additive designed to reduce torque and drag, minimize friction, and protect drilling equipment in water-based mud systems. The lubricant is fully compatible with water-based drilling fluids (WBM) and disperses easily without forming oil films.
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Primary Functions in Drilling Fluids
- (a) Lubrication
- Reduces friction between the drill string, borehole wall, and downhole tools
- Enhances rotary efficiency in deviated or horizontal wells
- (b) Extreme Pressure (EP) Protection
- Protects metal surfaces under high load and pressure
- Prevents scoring, galling, and wear on drill bits and stabilizers
- (c) Corrosion Inhibition
- Protects steel surfaces from corrosion in aqueous environments
- Compatible with other corrosion inhibitors in WBM
- (d) Torque and Drag Reduction
- Reduces rotational resistance in deep, deviated, or extended-reach wells
- Improves pumpability and mud circulation efficiency
- Reduces torque by 20–40% in typical WBM systems
Specification
| Parameters | Test Results |
|---|---|
| Appearance | Clear to slightly amber liquid |
| Solubility | complete water-soluble |
| pH (1% solution) | 7-9 |
| Specific Gravity | 1.0 – 1.05 |
| Thermal Stability | Up to 300°F (150°C)5 |
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