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Drag Reducing Agent (referred to as DRA) is applied to increase flow rate or to reduce pressure drop in pipelines delivering crude oil. This product is formulated as an ultra-high molecular weight polyalphaolefin dispersed in a non-aqueous base / carrier.
Being thermally stable, Drag Reducing Agent can be used in almost all climatic conditions with a wide ambient temperature envelope ranging from -20°C to +50°C.
Drag Reducing Agent is usually injected or pumped into pipelines by metering pumps at the discharge side of a boosting pump. Drag reduction begins as soon as DRA starts to dissolve in the hydrocarbon being delivered. When dissolved DRA product passes through a boosting pump, the polymer is broken down or worn out by the shearing exerted by the boosting pump. Consequently, a multi-stationed pipeline usually requires repeated DRA injection after each boosting pump station in order to achieve an overall flow increase through the whole pipeline length.
| Form | Slurry |
| Color | White or light grey |
| Boiling Point | 169°C (Initial) |
| Flash Point (Closed Cup) | ≥60°C |
| Density | 0.850 ~ 0.880 g/ml (@20°C) |
| Freezing Point | < -30°C |
| Viscosity | < 400 mPa·s (@25°C, 50s⁻¹) |
| Solubility | Immiscible in water; Miscible with most organic solvents |
Standard packing for Drag Reducing Agent is a 1000L plastic container with a protecting steel bar (IBC). Supply in other specialized packing, such as ISO tanks, can be offered upon request.
