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Summary Of Accident Reports

This is a summary of pressure equipment accidents and incidents that have been reported to and investigated by ABSA. This information is provided to make people aware of the general nature of pressure equipment accidents and incidents. The intent is to heighten the awareness of the general public to the hazards of pressure equipment in an effort to prevent injury.

Note: “Loss of Containment” as used in this report refers to the loss of any amount of process fluid from the pressure equipment.

Date Reported Injuries Fatalities Description Loss of
Containment
2016-11-24 0 0 A control system malfunctioned releasing process fluids. The fluids ignited causing a fire. No
2016-11-15 0 0 A fire in a compressor skid resulted in damage to pressure piping. No
2016-09-09 0 0 A flange gasket in a pressure piping system containing heavy oil failed resulting in a fire. Yes
2016-09-08 0 0 A furnace explosion occurred during start-up of a gas fired heating boiler. No
2016-08-12 0 0 An engine fire damaged a fuel gas scrubber and the associated piping system. No
2016-06-22 0 0 Process fouling in a heat exchanger resulted in localized overheating and loss of containment. Yes
2016-06-21 0 0 Hydrocarbons were released due to operational error, resulting in a fire that caused no damage to the pressure equipment. No
2016-06-14 0 0 Pressure vessels and piping were damaged by fire at natural gas wellsite. The fire is suspected to have been initiated by a lightning strike. No
2016-06-09 1 0 An operator recieved first degree burns to hands and neck from blowback during light-off of fired treater burner. No
2016-05-18 0 0 Liquid hydrocarbon leaked in a pumphouse, causing a fire that damaged pressure piping. Yes
2016-05-05 0 0 A fibreglass pop tank caught fire at an unmanned wellhead facility. Pressure vessels and associated piping were damaged from heat exposure. No
2016-04-26 1 0 An operator was draining a hot water storage tank. The threaded drain pipe swung due to reaction forces. The operator was burned by hot water and steam. No
2016-02-12 0 0 During operation of a fired treater, a crack developed in the firetube releasing process fluid. The fluid ignited causing a fire. Yes
2016-02-11 0 0 Accumulation of condensate in an isolated section of steam piping froze and caused the pipe to rupture. Yes
2016-02-05 0 0 During normal operation, process piping failed due to service induced deterioration. Corrosion under insulation was a factor. Yes
2016-02-04 0 0 Unattended portable fired heater used to thaw frozen pressure equipment in a skid building ignited a tarp causing a fire. No
2016-01-22 0 0 During normal operation a steam heating boiler overheated due to low water level. Yes
2016-01-18 0 0 A through wall crack developed in process piping during operation. Yes
2016-01-15 0 2 Explosion in hydrocracker unit. Two workers killed. Yes
2016-01-05 1 0 Sight glass failure on a process vessel. Operator received burns to hands from hot liquid. Yes
2016-01-04 0 1 A 20-pound propane bottle that had been filled with water and was being heated with a propane torch, to produce steam, when it failed catastrophically. One man was killed. Yes
2016-01-04 0 0 A boiler blowdown line froze and ruptured due to inadequate heat tracing. Yes
2015-12-28 0 0 A compressor engine fire caused damage to a pressure vessel and associated piping. No
2015-12-28 0 0 A header in an air cooled steam condenser ruptured due to freezing. Yes
2015-12-15 1 0 A fitting failed during start-up of a compressor following routine maintenance. A worker was struck and injured by debris. Yes
2015-12-09 0 0 Fire caused by a flange leak during start-up of a heat exchanger in hydrocarbon service. Yes
2015-12-08 1 1 A man-lift device struck a pipe in low pressure liquid ammonia service. The pipe broke releasing ammonia, resulting in one fatality. Yes
2015-12-07 0 0 A through wall crack developed in process piping during operation. Yes
2015-12-03 3 0 During maintenance a valve was removed from a propane tank, releasing propane gas. The propane gas ignited, causing an explosion. No
2015-12-01 0 0 Fire caused by service-induced deterioration of a tube in a fired process heater during operation. Yes
2015-11-10 0 0 A flange in high pressure steam service failed during start-up of the steam plant. Yes
2015-10-31 0 0 Process piping failed due to freezing, as a result of inadequate heat tracing. Escaping hydrogen ignited causing a fire. Yes
2015-10-22 0 0 Due to an improper air/gas ratio, a furnace explosion occurred in a boiler during operation. No
2015-10-21 1 0 During maintenance of a heating plant, a safety valve unexpectedly relieved, releasing steam in the direction of a worker. No
2015-10-15 0 0 During start-up, a process plant was overpressured due to an unexpected blockage in the piping. No
2015-10-08 0 0 During maintenance on a refrigeration system in an ice rink, ammonia was inadvertantly released. Yes
2015-09-17 0 0 Mechanical joint leak in a fired process heater. Yes
2015-09-14 0 0 Unanticipated flow impingement caused abrasive wear to a pressure vessel, resulting in a pinhole failure. Yes
2015-09-04 0 0 A mechanical joint failed releasing process fluid, which ignited and caused a fire. Yes
2015-08-30 0 0 A threaded connection failed on compressor pressure piping. The failure released gas which ignited in the compressor building. Yes
2015-08-29 0 0 Due to external corrosion, a process piping line ruptured releasing process fluid. The fluid ignited, causing a fire. Yes
2015-08-29 0 0 During a planned shutdown, a heat exchanger gasket failed releasing process fluid. The fluid ignited, causing a fire. Yes
2015-07-29 0 0 A pressure vessel overheated during a temperature excursion, resulting in permanent deformation of a section of the shell. No
2015-07-07 0 0 During start-up of a new facility, a vessel was over-pressurized as a result of improperly operating controls and relief device. No
2015-06-25 0 0 Due to an improper air/gas ratio, a furnace explosion occurred in a package boiler during start-up. No
2015-06-24 0 0 A lightning strike caused a fire in an atmoshperic storage tank. The fire damaged nearby pressure equipment. No
2015-06-24 1 0 An operator was burned by hot process fluids while preparing a vessel for inspection. Yes
2015-06-23 0 0 During operation of a fired heater, a crack developed in the firetube releasing process fluid. The fluid ignited causing a fire. Yes
2015-06-16 0 0 During operation of a fired treater, a crack developed in the firetube releasing process fluid. The fluid ignited causing a fire. Yes
2015-06-06 0 0 A pressure vessel containing pryophoric material was being prepared for inspection. When exposed to the atmoshpere the pyrophoric material ignited causing a fire. No
2015-06-01 0 0 During operation of a fired treater, a crack developed in the firetube releasing process fluid. The fluid ignited causing a fire. Yes
2015-05-20 0 0 During maintenance of an ammonia refrigeration system, ammonia was inadvertantly released from the system. Yes
2015-05-12 0 0 During upset conditions, a sulfur condenser tube was overheated and ruptured, releasing boiler feedwater. Yes
2015-05-08 0 0 Due to operational upsets, a pressure vessel was damaged due to overheating. No
2015-05-02 1 0 An operator was burned by process fluid while performing maintenance on a filter vessel. Yes
2015-04-13 0 0 A heat exchanger leaked due to a crack on a welded seam. Natural gas was released, but there was no fire. Yes
2015-04-09 0 0 Due to service induced deterioration, a heat exchanger tube failed at the tube-to-tubesheet connection, releasing process fluid. Yes
2015-03-20 0 0 During start-up a pressure vessel was overpressured due to improper valve operation. No
2015-03-18 0 0 During start-up of a power boiler, localized overheating resulted in the failure of several superheater tubes. Yes
2015-03-17 0 0 An air hose connection separated on the discharge side of a compressor. The escaping air pressure and residual debris struck two workers. Yes
2015-01-28 0 0 Due to an improper air/gas ratio, a furnace explosion occurred in a firetube boiler during start-up. No
2015-01-15 0 0 A pressure vessel and associated piping were overpressured as a result of process fluid freezing in a blocked-in line. No
2015-01-12 0 0 A safety relief valve failed at the inlet threads due to fatigue caused by vibration. Yes
2015-01-01 0 0 During operation of a fired treater, the firetube ruptured releasing process fluid. The fluid ignited causing a fire. Yes

Last modified: March 29, 2016