ENTERPRISE PRODUCTS OPERATING LLC
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | ENTERPRISE PRODUCTS OPERATING LLC |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 29.68172, -95.01481 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
ON 10/7/2018 AT 7:50 AM LID 914F-100 (LINE 9) WAS LINED UP TO DELIVER INTO TANK 162. SHORTLY AFTER START UP, OPERATOR NOTICED PRODUCT LEAKING ON A 10"" BLIND FLANGE ON TANK 162. THE MOVEMENT WAS SHUT DOWN IMMEDIATELY. IT WAS DISCOVER THAT A 10"" VALVE HAD A BROKEN PIN THAT CONNECTED THE VALVE STEM TO THE SEALING MECHANISM INSIDE THE VALVE BODY. AS A RESULT, THE VALVE INDICATOR SHOWED TO BE OPEN BUT IT REMAINED 100% CLOSED. ADDITIONALLY, THE PRESSURE TRANSMITTER THAT MONITORED THE LINE PRESSURE HAD BLOCKAGE IN THE PORT SO IT DID NOT TRIGGER THE SDV TO CLOSE, RESULTING IN AN OVERPRESSURE. THE OVERPRESSURE CAUSED A LEAK AT THE BLIND FLANGE. NO PRODUCT WAS RECOVERED. THE 10"" VALVE WAS REPLACED AND THE PRESSURE TRANSMITTER PORTS WERE CLEARED OF DEBRIS. TRRC WAS NOTIFIED OF THE ACCIDENT IMMEDIATELY FOLLOWING CONFIRMATION OF VOLUME LOSS EXCEEDING THE 5 GALLON THRESHOLD ON 10/8/2018 AT 17:26HRS; TRRC INCIDENT #1857
About This Pipeline Incident
Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.