Electrostatic Heater Treater / Desalter Packages

Advanced Treatment Systems for Low BS&W and Salt Reduction

Electrostatic Heater Treaters are an enhanced alternative to conventional mechanical treaters, offering higher efficiency and improved treatment performance. Like mechanical treaters, these systems utilize gas-fired firetubes in the heating section to raise the temperature of the produced fluid to optimal separation levels.

What sets electrostatic treaters apart is the integration of an electrostatic field within the coalescing section. This design allows for faster and more effective separation of oil, water, and solids — achieving lower Basic Sediment & Water (BS&W) and reduced salt content in the treated crude.

Process Description

Within the heating section, the produced fluid is preheated to reduce viscosity and promote separation. The fluid then flows into the coalescing section, where electric transformers generate an electrostatic grid that enhances droplet coalescence. The electric field aligns and attracts dispersed water droplets, causing them to merge and settle out more efficiently.

This process ensures superior dehydration and desalting while maintaining a compact system footprint, making electrostatic heater treaters a preferred choice for both onshore and offshore applications.

Key Features and Advantages

  • Enhanced separation efficiency with electrostatic coalescence
  • Lower BS&W and reduced salt content in treated crude
  • Compact modular design compared to mechanical treaters
  • Gas-fired heating system for controlled temperature management
  • Reduced chemical consumption due to electrostatic enhancement
  • Designed to meet NACE and ASME standards

Why Partner with SPEC Technology

SPEC Technology designs and fabricates customized Electrostatic Heater Treater and Desalter Packages tailored to meet specific production, BS&W, and salt reduction targets. Our systems combine proven thermal separation methods with advanced electrostatic technology to deliver efficient, low-maintenance, and cost-effective oil treatment solutions across upstream and midstream facilities.