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Oil

Transformer Oil Testing, Analysis, and Filtration

Comprehensive Services

365 Transformer Services provides comprehensive transformer oil services designed to protect insulation systems, restore oil quality, and extend transformer service life. Our oil services support commissioning, maintenance, corrective repair, and long-term asset management programs for utility, industrial, and renewable energy customers.

Our team performs oil testing, filtration, purification, degassing, and dehydration in accordance with IEEE, NETA, ASTM, and manufacturer-recommended practices. For large or time-sensitive projects, we are capable of providing extended or continuous operations, including two-shift and 24-hour oil processing when required.

Services & Equipment

Scope of Transformer Oil Services

  • Oil sampling, testing, and laboratory analysis (DGA, moisture, dielectric strength)
  • On-site oil filtration, purification, and particulate removal
  • Vacuum dehydration and degassing services
  • FR3 natural ester and mineral oil processing
  • Moisture reduction and insulation life restoration
  • Oil handling support during repairs, replacements, and commissioning
  • On-site oil delivery

Equipment & Resources Commonly Utilized

  • High-capacity oil processors and vacuum dehydration units
  • Portable generators for continuous oil processing operations
  • Oil tankers, temporary storage tanks, and containment systems
  • Oil sampling kits and on-site diagnostic test equipment
  • Moisture, gas, and dielectric testing instruments
  • Spill containment, grounding, and environmental protection equipment

Information Needed to Prepare an Accurate Quote

  • Transformer nameplate data and oil volume
  • Oil type (mineral oil or FR3 natural ester)
  • Current oil condition and available test results
  • Target oil quality requirements or acceptance criteria
  • Processing timeline, outage window, or 24-hour operation requirements
  • Site access conditions and available power sources
  • Environmental, safety, or site-specific requirements
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Planning

Providing accurate project information allows our team to size the correct oil processing equipment, assign qualified personnel for extended or continuous operations, and develop a safe and efficient work plan. This ensures accurate pricing, effective oil treatment, and minimal impact to system availability.

Stay Powered Up

Contact 365 Transformer Services to discuss transformer oil testing, filtration, or processing requirements. Our team is prepared to support standard outages as well as demanding 24-hour oil processing operations.