A contractor was injured on Saturday, August 29, 2026, during maintenance and repair work at the Marathon Refinery in El Paso, Texas. According to reports, the contractor was transported to a medical facility after being injured during on-site maintenance and repair work.
The contractor’s condition has not been released. Additional details about what caused the injury, what maintenance task was being performed, whether equipment or process systems were involved, or whether there was any chemical release, fire, explosion, fall, or mechanical failure has not yet been released.
The incident remains under investigation.
Maintenance work at refineries can be especially dangerous
Maintenance and repair work at a refinery can involve some of the most hazardous tasks on site. Workers and contractors may be required to open equipment, isolate process systems, enter restricted areas, remove components, perform inspections, conduct repairs, work around pressure systems, or handle equipment that has recently contained hazardous chemicals.
A refinery is not a normal industrial workplace. It contains complex process units, piping, tanks, pumps, valves, pressure systems, electrical equipment, rotating machinery, flammable materials, and toxic substances. Even a routine repair can become dangerous if energy is not controlled, equipment is not properly isolated, hazardous materials remain inside a system, or communication breaks down between refinery personnel and contractors.
This incident reportedly occurred during maintenance and repair work. That fact is important because maintenance work often changes the risk profile of a refinery. Equipment that is normally closed may be opened. Systems that are normally stable may be taken offline. Contractors may be working near unfamiliar equipment. Multiple crews may be performing overlapping tasks in the same area.
A refinery owner and the contractors involved must plan this work carefully. They must identify the hazards, define the work scope, issue the proper permits, isolate energy sources, test for hazardous atmospheres, coordinate between crews, and make sure workers understand the risks before the work begins.
Maintenance fires, releases, and equipment hazards
A maintenance fire can occur when flammable vapors, residual hydrocarbons, improper isolation, hot surfaces, sparks, static electricity, or ignition sources are present during repair work. Officials have not reported that a fire occurred in this incident, but maintenance fire hazards are a key issue in refinery safety investigations whenever a worker is injured during repair operations.
Maintenance work can also involve pressure releases, equipment movement, falling objects, chemical exposures, and mechanical failures. If a worker is repairing a line, valve, pump, vessel, exchanger, or other component, investigators should determine whether the equipment was safely prepared for work. That includes whether it was depressurized, drained, flushed, blinded, locked out, tagged out, tested, and verified safe.
Equipment failures can injure workers when aging components, worn parts, defective valves, failed seals, or damaged piping fail during maintenance. A failure may release pressure, chemicals, steam, hot materials, or moving parts. Investigators should determine whether the equipment involved had a known history of problems, whether repairs were overdue, and whether the maintenance plan adequately addressed the hazard.
If the injury involved a pump, compressor, valve, pressure vessel, or piping system, the specific equipment history may become central to the investigation. Maintenance logs, inspection reports, prior work orders, process records, alarm history, and contractor communications should be reviewed.
Contractor safety and refinery worksite coordination
Contractors are commonly used for refinery maintenance. They may perform mechanical work, electrical work, welding, inspection, scaffolding, insulation, cleaning, instrumentation, or turnaround-related tasks. But contractors often depend on the refinery owner or operator for critical information about process hazards, system status, isolation points, permits, and site-specific safety rules.
Maintenance contractor liability can become an important issue when a contractor is injured at a refinery. The investigation should determine which company controlled the work, who supervised the task, who issued permits, who verified the equipment was safe, and who had authority to stop the job.
A refinery operator may not avoid responsibility simply because the injured worker was a contractor. If the refinery controlled the work area, knew about hazards, failed to communicate process risks, issued an unsafe permit, or failed to properly isolate equipment, those facts may matter. The contractor’s employer may also be examined if it failed to train workers, provide proper PPE, supervise the task, or follow safe work procedures.
Refinery maintenance often requires coordination between multiple entities. A breakdown in communication can be dangerous. Workers need to know whether lines are live, whether equipment contains hazardous materials, whether pressure remains in a system, whether another crew is performing nearby work, and whether conditions have changed after the permit was issued.
Process Safety Management and maintenance planning
Refinery maintenance injuries often raise questions about process safety. OSHA’s Process Safety Management requirements are intended to prevent catastrophic releases of highly hazardous chemicals. Process safety is not limited to major explosions. It also involves the systems used to identify hazards, control energy, manage change, maintain mechanical integrity, train workers, investigate incidents, and safely conduct maintenance.
When a contractor is injured during maintenance work, investigators should examine whether the job was covered by a written procedure, whether a job safety analysis was performed, whether the proper permits were issued, and whether the workers were informed of site-specific hazards. They should also evaluate whether the equipment was part of a covered process and whether mechanical integrity procedures were followed.
OSHA regulations may require employers to control hazardous energy, provide hazard communication, train workers, protect against falls, manage confined spaces, provide respiratory protection, and follow process safety requirements. Which rules apply depends on the task and the hazards involved.
A strong safety program requires more than paperwork. The refinery and contractors must implement the procedures in the field. If a permit says a line is isolated, that isolation must be real. If a system is supposed to be depressurized, it must be verified. If workers need PPE, it must be available and appropriate for the hazard.
Hot work hazards during refinery maintenance
Many refinery maintenance jobs involve cutting, welding, grinding, burning, or other tasks that can create heat, sparks, or ignition sources. Hot work can be extremely dangerous in refinery environments because flammable vapors may be present in nearby lines, tanks, equipment, drains, or process areas.
Officials have not stated that hot work was involved in this incident. But when a contractor is injured during refinery maintenance, investigators should determine whether any hot work was being performed by the injured worker or nearby crews. If so, the permit system, gas testing, fire watch, isolation, ventilation, and area monitoring become critical.
A hot work permit should not be treated as a formality. It should confirm that the work area has been evaluated, combustible materials have been controlled, flammable atmospheres have been tested, and fire-prevention measures are in place. If conditions change, the work should stop until the hazards are reassessed.
Refinery fires and explosions during maintenance are often preventable. They may result from poor isolation, inadequate gas testing, failure to recognize nearby vapor sources, rushed work, poor supervision, or incomplete communication between operations and maintenance personnel.
Chemical exposure and toxic gas hazards
Refinery workers and contractors may be exposed to dangerous chemicals during maintenance and repair work. Depending on the unit and task, hazards may include hydrocarbons, acids, caustics, solvents, catalysts, ammonia, hydrogen sulfide, and other toxic or irritating substances.
A chemical exposure hazard can arise when equipment is opened without proper cleaning, draining, purging, or testing. Exposure can occur through inhalation, skin contact, eye contact, or ingestion. Some exposures cause immediate symptoms, while others may create delayed respiratory, neurological, or systemic effects.
Hydrogen sulfide is one of the serious toxic gas hazards that may exist in refinery environments. It can be dangerous at low concentrations and deadly at high concentrations. If the injured contractor was working near process equipment, investigators should determine whether gas testing was performed and whether monitors alarmed before or after the incident.
Ammonia can also present serious health risks in refinery or industrial settings where it is used or present in process systems. Exposure can injure the eyes, skin, lungs, and respiratory tract. There is no indication from the reported facts that ammonia was involved here, but chemical identification remains an important part of any refinery injury investigation.
Mechanical integrity, corrosion, and pressure hazards
Refinery equipment operates under demanding conditions. Heat, pressure, vibration, corrosive substances, repeated cycling, and aging infrastructure can weaken components over time. Maintenance work often brings workers close to equipment at the very moment when hidden defects may be exposed.
Corrosion can damage piping, valves, vessels, supports, and other equipment. If corrosion is not identified and addressed, a component may fail during normal operations or while workers are performing repairs. Investigators should determine whether the equipment involved in the injury had known corrosion, leaks, prior repairs, or inspection findings.
Overpressurization is another potential danger. A line, vessel, or piece of equipment that is not fully depressurized can release energy unexpectedly when opened or disturbed. Pressure can eject parts, spray chemicals, move equipment, or injure workers standing nearby.
If pressure systems were involved in this incident, investigators should review isolation procedures, pressure gauges, blind lists, valve lineups, lockout/tagout records, and verification steps. A worker should not be exposed to stored energy because a system was assumed to be safe without confirmation.
Falls, struck-by hazards, and work at height
Refinery maintenance may require workers to climb ladders, access platforms, use scaffolds, work on elevated structures, remove heavy parts, or work around cranes and lifting equipment. Falls are a common hazard in refinery work and can cause severe injuries.
Officials have not released how the contractor was injured. If the injury involved a fall, investigators should evaluate fall protection, work platforms, scaffolding, ladders, guardrails, tie-off points, housekeeping, lighting, and whether the worker had been trained for the task. If the injury involved a falling object or equipment movement, lifting plans, barricades, exclusion zones, rigging, and communication should be reviewed.
Maintenance areas can become congested. Tools, hoses, temporary lines, scaffolding, open grating, removed equipment, and multiple crews may create hazards that do not exist during normal operations. Supervisors must manage those changing conditions.
A refinery maintenance injury investigation should not stop at the immediate event. It should also examine the broader work environment and whether the job was planned and controlled safely.
Evidence that should be preserved after a refinery maintenance injury
Important evidence should be preserved quickly after a refinery accident. This includes photographs, video, permits, job safety analyses, lockout/tagout records, maintenance procedures, contractor agreements, training records, inspection records, equipment history, gas testing results, alarm data, witness statements, and any incident investigation materials.
If equipment was involved, the equipment should be preserved in its post-incident condition until it can be inspected. Repairing, replacing, cleaning, or discarding parts can destroy critical evidence. If a valve, line, pump, pressure component, scaffold, tool, or PPE item played a role, it should be documented and preserved.
Witnesses should be identified early. Workers who were present may know what task was being performed, whether the permit matched the actual conditions, whether hazards were discussed, whether alarms sounded, and whether supervisors gave instructions before the incident.
Refinery operators often conduct internal investigations quickly after an incident. Injured workers and families should understand that the company investigation is not the same as an independent civil investigation. The company investigation may focus on internal safety or regulatory issues, while a civil investigation focuses on responsibility, damages, and the injured worker’s rights.
Legal responsibility after a refinery accident
Legal responsibility after a refinery accident depends on the evidence. Potentially responsible parties may include the refinery owner, operator, maintenance contractor, subcontractor, equipment manufacturer, engineering company, inspection company, or another entity involved in planning or performing the work.
Many injured workers ask, can I sue after a refinery accident? The answer depends on the worker’s employment relationship, who caused the injury, whether a third party was involved, and what law applies. A contractor injured at a refinery may have legal claims beyond workers’ compensation if another company’s negligence contributed to the incident.
A refinery injury case may involve unsafe work planning, inadequate permits, failure to isolate equipment, lack of hazard communication, defective equipment, poor maintenance, inadequate contractor coordination, or failure to follow safety procedures. A claim requires proof of causation. The evidence must connect the unsafe condition, company decision, equipment failure, or negligent conduct to the injury.
A refinery injury lawyer can help evaluate which companies had control over the work, what safety rules applied, what evidence should be preserved, and whether the injury could have been prevented.
Speak With a Refinery Injury Lawyer
Spagnoletti Law Firm represents workers and families affected by serious refinery accidents. Our personal injury attorneys work with qualified experts to investigate maintenance injuries, refinery contractor accidents, chemical exposures, equipment failures, unsafe permits, process safety failures, OSHA issues, and the evidence needed to determine what happened.
We offer a free consultation, and we handle refinery accident cases on a contingency fee basis, meaning there are no upfront attorney’s fees and we are paid only if we recover compensation for you.
If you or a loved one has been impacted by a refinery accident, call Spagnoletti Law Firm at 713-804-9306 or contact us online.