Chemical & Material
Drag Reducing Additives (DRA)
Drag-reducing additives (DRA), or drag-reducing polymers (DRP's), are additives in pipelines that reduce turbulence in a pipe. Usually used in petroleum pipelines, they increase the pipeline capacity by reducing turbulency and increasing laminar flow.
- Types
- Water-Soluble Drag Reducing Additives · Oil-Soluble Drag Reducing Additives
- Applications
- Crude Oil pipeline · Finished Fuels pipeline · Chemical
5 editions29 December 2025