Oil refinery workers spent careers surrounded by high-temperature process equipment that was allegedly insulated, gasketed, and packed with asbestos. Distillation towers, crackers, heaters, pumps, and miles of process piping all ran hot, and for decades the materials used to hold that heat in were asbestos-based. Operators, pipefitters, boilermakers, insulators, and maintenance mechanics were exposed every time that equipment was serviced, torn down, or rebuilt.

How Refinery Workers Were Exposed

Refineries never stop, but they do turn around. During a turnaround, entire units were opened up — insulation was ripped off towers and lines, gaskets were scraped out of flanges, and valve and pump packing was dug out and repacked. That work sent asbestos fiber directly into the breathing zone of everyone on the unit, not just the worker performing it. Day to day, tending leaking pump seals, rebuilding valves, patching hot-line insulation, and working near furnace and heater refractory produced steady, lower-level exposure. Refineries were also dusty, congested environments where fiber released by one crew drifted to workers nearby.

The Asbestos Materials — and the Products They Came In

Exposure tracked to a handful of material types. Each links to products documented in the AsbestosIndex as allegedly asbestos-containing:

Tower, unit & pipe insulation — pipe covering and block lagging stripped and reapplied on hot process lines and vessels:

Pump & valve packing — dug out and repacked on process pumps and valves:

Sheet gaskets — cut and scraped from flanges throughout the unit:

Furnace & heater refractory — patched around process heaters and burners:

Browse the full Pipe Covering and Gaskets & Packing categories for more.

Take-Home Risk to Families

Like other dusty trades, refinery workers carried asbestos fibers home on their clothing, skin, and tools — exposing spouses and children who never worked with asbestos. See take-home asbestos exposure.

If you worked at an oil refinery and were diagnosed with mesothelioma or another asbestos-related disease after exposure to asbestos on the job, you may have a legal claim.

Product references reflect allegations documented in publicly filed asbestos litigation. This information is published by an independent media organization — not a law firm — and is educational only. It does not constitute legal advice or provide legal services.