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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
2019-02-25 0 0 The bodies of two steam-jacketted process valves failed. The damage was cause by condensate that had accumulated in the valve bodies and froze due to failure of the associated steam traps. Yes
2019-02-12 0 0 Product froze in an air cooled heat exchanger tube due to low ambient temperature (-40C) and reduced flow. Freezing resulted in rupture of the tube which was revealed when the ambient temperature increased sufficent to melt the frozen product. Yes
2019-02-12 0 0 A valve bonnet separated from the body releasing product. The failure was the result of freeze damage which occurred after maintenance work had been completed and the system was left without adequate insulation. Yes
2019-02-12 0 0 Operators noticed process fluid dripping out of the insulation on a pressure piping system. Once the insulation was removed a pinhole leak was found in the piping at a weld. The system was shut down for repairs. Yes
2019-02-11 0 0 Two air cooled heat exchangers sustained extensive freezing damage and were removed from service. Yes
2019-02-11 0 0 A tube leak was discovered in a boiler economizer. The boiler was shut down repaired and leak tested. Yes
2019-02-11 0 0 A loss of containment occurred in a process piping system due to a crack at the toe of a weld joining an 8 branch connection to a 14 pipe. Yes
2019-02-10 0 0 A leak was discovered at a welded connection in a boiler economizer tube. Yes
2019-02-10 0 0 A leak was discovered in a steam condensate line. The heat tracing system had failed resulting in freezing damage and loss of containment. Yes
2019-02-10 0 0 Operators detected hydrocarbon leaking from an air cooled heat exchanger. The process was safely shutdown and the equipment isolated and purged for inspection. The leak was caused by freezing. Yes
2019-02-09 0 0 Ammonia leaking from a fitting in the piping system resulted in evacuation of an ice area. Yes
2019-02-06 0 0 Ammonia leak contained to mechanical room at an arena triggered an alarm and resulted in evacuation of the building. The source of the leak was an instrumentation connection near the compressor. Yes
2019-01-26 0 0 Following startup of a compressor unit a small readily contained fire occurred due to leakage at a loose fitting. Yes
2019-01-24 0 0 Small bore piping on a compressor package developed a through wall crack. Inadequate support and vibrations is believed to be the cause of this failure. Yes
2019-01-24 0 0 A leak occurred in a fitting in a process piping system due to impingment of steam injected into the process. Yes
2019-01-22 0 0 A deadleg in a steam condensate piping system failed due to freeze damage as a result of failure of the heat tracing system. Yes
2019-01-21 0 0 A pressure piping system developed two through-wall leaks due to impingement of steam and process materials. Yes
2019-01-21 0 0 An operator detected a hydrogen sulfide leak and shut the plant down. The source of the hydrogen sulfide was later determined to be a pinhole leak in a nozzle on a pressure vessel. Yes
2019-01-19 0 0 Operations personnel detected process gas leakage from a piping system. The plant was safely shut down with no further consequences. Yes
2019-01-18 3 0 A gas leak resulted in an explosion and fire in a compressor skid. Yes
2019-01-15 0 0 A newly designed valve pass plate was installed into a valve and the flow pattern through the pass plate caused an erosive stream to the upper portion of the spool which led to the failure. Yes
2019-01-14 0 0 A tube in an air cooled heat exchanger failed due to freezing, causing the compressor to trip. Yes
2019-01-14 0 0 Vertical air receiver sustained a crack at the weld to vessel interface, where the compressor base is welded to the head of the vessel. The unit was taken out of service. Yes
2019-01-14 0 0 A steam leak was discoverd on a steam header. Probable cause of tne leak is a fatigue crack at a support weld. Yes
2019-01-08 0 0 A pinhole leak was discovered in a high pressure steam condensate line. Yes
2019-01-07 0 0 A leak was discovered at a socket weld in a 1" high pressure steam line. Yes
2019-01-04 0 0 A remote site was left uninspected for several days in cold weather. Fuel gas to the unit heater was lost. The fuel gas scrubber (a fitting) was frozen and ruptured. Yes
2019-01-04 0 0 During operation of a fired treater, the firetube failed due to localized overheating caused by scale fouling on the process side. Yes
2018-12-28 0 0 A leak was found in a process piping system. Errosion-corrosion is the suspected damage mechanism. Yes
2018-12-17 0 0 Gas leaked from a failed compressor cylinder valve cap O-ring resulting in a fire which damaged a pressure vessel. Yes
2018-12-16 0 0 A steam leak was discovered at a flanged connection in a piping system soon after startup. The leak seems to have been the result of freezing damage that occurred during the outage. Yes
2018-12-16 0 0 A leak was discovered in a section of process piping that had been isolated without freezing protection during a shut down. The leak was discovered when the frozen product thawed after start up. Yes
2018-12-13 0 0 A heat exchanger tube bundle had been removed from the shell for maintenance. Process residue on the tubes ignited resulting in a small fire. No
2018-12-12 0 0 A high pressure steam condensate line developed a leak and was shut down for repair. Yes
2018-12-10 0 0 A gas leak from a sight glass gasket on a suction scrubber resulted in a fire in a compressor skid. Yes
2018-12-08 0 0 The burner control on a process heater failed to shut down, resulting in overheating of the firetube. Yes
2018-12-07 0 0 The expansion joint in the non-code firetube of a line heater failed resulting in loss of heat medium. Yes
2018-12-05 0 0 Oil was found leaking into the firetube of a fired treater. The treater was immediately safely shut down, with no further consequences. Yes
2018-12-05 0 0 A firetube flange gasket on a fired treater leaked, releasing process fluid. The leak was the result of over-torquing the flange bolts. Yes
2018-12-03 0 0 Small bore piping on a compressor suction scrubber failed, releasing gas. The gas ignited causing an explosion and fire. Yes
2018-11-29 0 0 Low ambient temperature caused the water in the shell side of a lube oil cooler to freeze, resulting in shell rupture. Yes
2018-11-29 0 0 Operators discovered a tube leak in an air cooled heat exchanger. The leak was caused by freezing of liquids in the tubes. Yes
2018-11-29 0 0 Cold weather caused the contents (mud & water) of a well site separator to freeze, resulting in vessel rupture. The building unit heater was not in operation at the time. Yes
2018-11-20 0 0 Operators discovered a process fluid leak in a piping system. Further inspection found two pinholes and significant wall loss due to corrosion in the area of concern. Yes
2018-11-20 0 0 An unexpected accumulation of water in a product transfer pipe froze and caused the pipe to split, releasing product. Yes
2018-11-15 0 0 Operators discovered a leak at a flange on a PSV inlet. Further inspection revealed that the flange body had formed a pinhole leak. Yes
2018-11-13 0 0 Plant operator found steam leaking from a steam heat coil. The source of the steam leak was found to be at a socket weld tee fitting. Yes
2018-11-07 0 0 Service fluid leaked from an air cooled heat exchanger as a result of tube wall material loss. Yes
2018-11-01 0 0 Operators found a process gas leak in a piping system. The source of the leak was determined to be a crack in the weld heat affected zone of a reducer. Yes
2018-10-30 0 0 A bellows in a process unit failed due to stress corrosion cracking after a relatively short period of service. Yes
2018-10-30 0 0 A process fluid leak was found under a heat exchanger. The source of the leak was found to be a nozzle that had deteriorated due to corrosion. Yes
2018-10-24 1 1 A wellhead vessel failed. There was one fatality and one person injured. Yes
2018-10-23 0 0 During start-up of a boiler, an unstable fire in the furnace led to a small fuel gas explosion, which resulted in damage to control wiring. No
2018-10-23 0 0 A socket weld cracked in a 2 inch pressure piping system releasing hydrocarbon which was detected by instrumentation and the plant was shut down without further incident. Yes
2018-10-17 0 0 Instrument tubing failed resulting in uplanned shutdown of a power plant. Yes
2018-10-17 0 0 Process leaked from a flanged connection resulting in a fire. The source of the ignition was hot work taking place in the vicinity. Yes
2018-10-16 1 0 During a process upset, a valve was opened to depressurize the system. Gas from the valve ignited in a flash fire, resulting in burns to the operator. Yes
2018-10-15 0 0 A fuel gas supply hose failed in a compressor skid, resulting in a fire. Yes
2018-10-11 0 0 Operators observed a leaking nipple on the discharge side of the compressor piping. The piping was safely isolated without further incident. Yes
2018-10-04 0 0 Failure of a bi-metallic weld in a reformer furnace resulted in leakage of combustible hydrocarbon gas. There was no fire or explosion. Yes
2018-10-03 2 0 A pressure vessel containing pyrophoric material was being prepared for inspection. When exposed to the atmosphere the pyrophoric material ignited causing a fire. No
2018-09-20 0 0 A compression fitting failed in a pressure piping (tubing) system. Yes
2018-08-20 1 0 A 500 gallon propane tank was being cut into pieces by hydraulic shears attached to a track hoe. When the pressure boundary of a tank was breached propane escaped forming a propane vapour cloud which ignited in a flash fire. Yes
2018-08-15 0 0 A leak developed in a 2" sulfuric acid transfer piping system. The leak resulted in approximately 500 kg of 98% sulfuric acid spilling to the ground. Yes
2018-08-14 0 0 A firetube salt bath heater failed resulted in overheating and failure of the non-code shell. No
2018-08-10 0 0 A piece of 1/2 inch stainless steel tubing connecting the autoclave to the condenser ruptured, releasing hot vapours and hydrogen gas above the auto ignition temperature of the mixture. A fire was the result. Yes
2018-07-24 0 0 A process upset resulted in a lack of flow to a heat exchanger, causing localized overheating and a flange leak. Escaped process fluid ignited, causing a fire that was quickly extinguished by operations. Yes
2018-07-09 0 0 A pumpjack engine back-fired and discharged embers onto combustible insulation which started to burn. Process instrumentation and control equipment was damaged by the fire. No
2018-07-09 0 0 During operation of a fired treater the firetube failed (through-wall pitting), releasing process fluid. The fluid ignited causing a fire. Yes
2018-07-03 0 0 A de-sanding valve in a SAGD facility failed releasing process fluids. Yes
2018-06-29 0 0 Small bore piping (tubing) in high pressure liquid oxygen service failed. A small quantity of liquid oxygen was released prior to safe shut down of the plant. Yes
2018-06-28 0 0 Steam header through wall crack leaking steam. Weld at repad developed crack along the toe of the weld. Yes
2018-06-27 0 0 A leak was discovered between the tube sheet and tube of a glycol boiler. The unit was safely shut down. Yes
2018-06-22 0 0 Company inspectors discovered propane tanks being used as air receivers and had them removed from service. No
2018-06-21 1 0 An operator was hospitalized for treatment of burns caused by steam and hot water released from a steam-out hose connection. No
2018-06-19 1 0 A worker was treated for burns caused by a flash fire which occurred while the worker was using a wash-wand to spray water into an open pressure vessel manway to prepare the vessel for internal inspection. No
2018-06-15 0 0 Process piping was overheated from a high temperature reaction that occurred inside the pipe. No
2018-06-12 0 0 Through wall corrosion of vent piping on a thermal liquid tank allowed thermal liquid to leak. Yes
2018-06-07 1 0 The safety valves on a compressor package were removed for servicing. A process upset ocurred, introducing natural gas into the piping system which leaked from the openings, resulting in a fire. An operator was burned. Yes
2018-06-06 0 0 Hydrocarbon leaked from the weld at a small bore piping branch connection resulting in a fire. Yes
2018-06-05 0 0 Process piping was overheated from a high temperature reaction that occurred inside the pipe. No
2018-05-29 1 0 During the shutdown of a boiler feedwater pump, a hose was used to drain the system. As the drain valve was opened and flow started, the hose whipped due to the discharge reaction and the operator was sprayed by hot water and burned. Yes
2018-05-29 0 0 The shell of a heat exchanger in hot water service was deformed and developed a through-wall crack due to overpressure. Yes
2018-05-18 0 0 Operators discoveed a leak at a nozzle weld on suction scrubber piping. The plant was shut in and depressurized with no consequential damage. Yes
2018-05-08 0 0 During start-up of a power boiler, the steam drum manway gasket failed, releasing steam. Yes
2018-05-03 0 0 Heating boiler furnace explosion resulted in damage to the boiler casing. No
2018-04-30 0 0 Excessive heat input from an electric heater caused the shell of a pressure vessel to fail, releasing process fluid. The fluid ignited, causing a fire. Yes
2018-04-23 1 0 A furnace explosion occurred during start-up of a power boiler. The operator was treated for burns in hospital. No
2018-04-20 0 0 A heating boiler was destroyed by excessive heat from overfiring. No
2018-04-17 0 0 Small bore piping on a compressor suction bottle failed, releasing gas which resulted in a fire. Yes
2018-04-15 0 0 Small bore piping failure on engine fuel gas piping released fuel gas to building resulting in explosion and fire. Yes
2018-04-13 0 0 Hydrocarbon leaked from a heat exchanger shell to channel joint resulting in a fire. Yes
2018-04-12 0 0 Heating boiler furnace explosion resulted in damage to the boiler casing. No
2018-04-09 0 0 Sight glass in a weak acid cation water softener failed, resulting in a loss of containment. Yes
2018-04-07 0 0 An unintentional release of process fluid through a valve ignited, causing a fire. Yes
2018-03-26 0 0 Fire destroyed 2 fuel gas scrubbers and associated piping. No
2018-03-19 0 0 The contents in the depressurizing line from a pig receiver froze resulting in failure of the depressurizing line. Yes
2018-02-12 0 0 During operation of a fired treater the firetube gasket failed, releasing process fluid. The fluid ignited causing a fire. Yes
2018-02-08 0 0 During operation of a fired treater the firetube failed (through-wall crack), releasing process fluid. The fluid ignited causing a fire. Yes
2018-02-02 0 0 The contents in a closed pressure vessel froze resulting in failure of the pressure vessel shell. Yes
2018-01-14 0 0 The contents in a closed pressure vessel froze resulting in failure of the pressure vessel shell. Yes
2018-01-10 0 0 A small bore piping (tubing) leak resulted in a fire in a compressor skid. Yes
2018-01-09 0 0 A process upset resulted in a reaction fire inside a pressure piping system. No
2017-12-21 0 1 Heating boiler exhaust piping failed causing flue gas to accumulate in a building. A worker died from exposure to carbon monoxide. No
2017-12-06 0 0 Hydrocarbon released from flare stack ignited and destroyed fuel gas supply building. Hydrocarbon was from PSV discharging to flare stack. Yes
2017-11-30 0 1 Pressure released from a sandblast hopper caused a worker to fall off the equipment. The worker later died of his injuries. Yes
2017-11-17 0 0 An ammonia leak in an ice arena resulted in the evacuation of the building. There were no injuries reported. Yes
2017-11-16 0 0 Hydrocarbon leaked from a valve packing gland in a process facility. The leak was detected, and activated the plant alarm. Yes
2017-11-01 0 0 A hose used to transfer liquid hydrocarbon was overpressurized. Yes
2017-10-19 0 0 Hydrocarbon leaked from a threaded plug in small bore piping vent. The leaked fluid caught fire. No
2017-09-22 0 0 A tube leak resulted in a smelt water reaction in a recovery boiler furnace. Yes
2017-09-12 1 0 Buried piping was damaged by construction activities, causing a hydrocarbon leak that resulted in an explosion. Yes
2017-08-28 0 0 A gas leak in small bore braided hose resulted in a fire at a compressor station. Yes
2017-08-15 0 0 Freeze damage was discovered during seasonal maintenance of out-of-service pressure piping. Yes
2017-08-02 0 0 A flange gasket leaked process fluid from a treater vessel resulting in a fire. Yes
2017-07-13 0 0 A hydrate plug formed in a piping system. The hydrate plug broke free and impacted a valve downstream, causing mechanical damage which resulted in a leak. Yes
2017-07-12 0 0 Gas leaked from a flanged joint resulting in a fire. The fire was extinguished and there was no consequential damage. Yes
2017-07-11 0 0 Lightning strike caused a fire at a separator building, damaging the pressure equipment inside. No
2017-06-20 0 0 Through wall corrosion on the drain line of a fuel gas scrubber allowed process fluid to escape. Operators discovered the leak and initated an emergency shut down of the unit, preventing a fire from occuring. Yes
2017-06-16 0 0 During operation of a fired treater the firetube failed, releasing process fluid. The fluid ignited causing a fire Yes
2017-06-16 0 0 The threaded bonnet separated from the body of a pressure relief valve due to forces resulting from the discharge piping system freezing. Yes
2017-05-31 2 0 A nonmetallic pipe failed during operation, releasing acid which contacted two operators. Yes
2017-05-22 0 0 A procedural error in drawing process fluid from a system resulted in a small fire. No
2017-05-17 0 0 The gasket failed in a treater firetube flange releasing oil which ignited resulting in fire damage to the treater, pop tank and building. Yes
2017-05-05 0 0 During maintenance welding of structural steel, combustible material was ignited. The resulting fire damaged pressure vessels and piping. Yes
2017-04-04 0 0 During operation of a fired treater, the firetube failed due to localized overheating caused by scale fouling on the process side. Process fluid leaked into the firetube, causing a fire. Yes
2017-03-31 0 0 A leak at a weld released process fluid, which auto-ignited resulting in a small, localized fire, with no collateral damage. Yes
2017-03-14 1 0 A process fluid leak in created a vapour cloud which ignited and caused a fire. One worker was treated for burns. Yes
2017-03-13 2 0 During maintenance of an ammonia system a worker inadvertantly caused an isolation valve to partially open, releasing ammonia. Two workers were injured as a result of contact with the released ammonia. Yes
2017-02-19 0 0 A through wall crack in a pressure vessel resulted in a loss of containment and fire. Yes
2017-02-12 0 0 Firetube boiler furnace tube overheated and failed due to waterside fouling. Yes
2017-02-12 0 0 During manual desanding of a separator vessel, the drain line became plugged and failed. Yes
2017-01-26 0 0 During the hydrostatic pressure test of a pressure piping system, a valve failed in the test assembly used to connect the piping to the pressure source. Yes
2017-01-24 0 0 A process heater overheated and failed during startup. Yes
2017-01-13 0 0 A flash fire occurred in a compressor building. No
2017-01-12 0 0 A gasket failed on a sour service oil treater. Yes
2017-01-04 0 0 A fire occurred during the start-up of a compressor. No
2016-12-14 0 0 Fluid leaked into off line compressor discharge piping and froze. Compressor cylinder was damaged by excessive pressure when compressor was started. No
2016-12-10 0 0 Pin-hole leak in branch connection weld to pressure vessel nozzle released small amount of hyrdrocarbon resulting in a fire. The nozzle had corrosion resistant overlay, but the the branch connection did not. Yes
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
2016-03-02 0 0 Oil emulsion leaked into a fire tube in an idle free water knock out vessel. The oil was eventually ignited by the burner pilot resulting in a fire which damaged auxilliary equipment. 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
2016-02-10 0 0 A hydrocarbon leak from a piping system in a processing facility resulted in a small fire. The plant was shut down safely with no further damage. 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 pyrophoric material was being prepared for inspection. When exposed to the atmosphere 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