Investigation Report
Aghorn Operating Inc. Waterflood Station Hydrogen Sulfide Release
Aghorn Operating Inc. Waterflood Station Hydrogen Sulfide Release
- CSB
- Investigation Report
- Hydrogen Sulphide
- Hydrogen sulphideLoss of containmentMechanical failureSecurity
- Inspection and maintenance
- Gas detectorPumps
- Alarm managementLockout and tagoutRisk assessmentVentilation
- Upstream oil and gas
- Onshore facility
Summary
This investigation summary examines a fatal hydrogen sulphide release at an Odessa waterflood station that killed an employee and his spouse. It identifies a broken pump plunger, while leaving failure timing unresolved, and examines detector nonuse, missing lockout procedures, inadequate ventilation, detection and alarm failures, and deficient site security.
Classifications: Hydrogen sulphide; H2S; H₂S; hydrogen sulfide.
Classifications: Loss of containment; containment loss.
Classifications: Mechanical failure; equipment failure.
Classifications: Security; physical security; site security.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Gas detector; gas monitor; gas detection instrument.
Classifications: Pumps.
Classifications: Alarm management.
Classifications: Lockout and tagout; LOTO; lockout/tagout.
Classifications: Risk assessment; hazard assessment.
Classifications: Ventilation; forced ventilation.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Onshore facility; onshore plant.
Summary
A release of hydrogen sulfide led to the death of one worker as well as a member of the public.
Themes: hydrogen sulphide.