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Home› Products› Product Maximization› Demulsifier
Product Maximization

Demulsifier

Breaks water-in-oil emulsions to improve crude dehydration, reduce BS&W, and support cleaner, more valuable hydrocarbon output.

Product MaximizationSeparationBS&WCrude Treatment
Primary Function
Water-in-oil emulsion breaking
Typical Use
Continuous treatment
Target Problem
Stable crude emulsions
Application Area
Separators and treaters

Overview

Stable emulsions can trap water in crude, limit separation efficiency, and affect export quality. Demulsifiers help destabilize the interfacial film so water droplets can coalesce and separate more cleanly.

An effective program improves oil quality, supports smoother treating operations, and can reduce downstream load on dehydration and water-handling systems.

Selection note: Demulsifier performance depends on crude type, emulsion tightness, temperature, mixing history, and retention time in the treating train.

Typical Applications

  • Wellstream and separator systems handling persistent water-in-oil emulsions
  • Free-water knockout and heater-treater optimization
  • Crude export quality improvement and BS&W reduction
  • Facilities balancing oil quality with water-treatment performance

Operational Considerations

  • Bottle testing and field optimization are important because emulsion behavior changes with operating conditions.
  • Treatment should be coordinated with process temperature and separation residence time.
  • The best demulsifier is the one that improves oil quality without creating avoidable downstream water-treatment issues.

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