ENTERPRISE PRODUCTS OPERATING LLC
hazardous_liquid Incident — — October 7, 2018
Incident Information
| Incident Date | October 7, 2018 |
| Operator | ENTERPRISE PRODUCTS OPERATING LLC |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 29.68172, -95.01481 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | "FAILURE OF EQUIPMENT BODY (EXCEPT PUMP), TANK PLATE, OR OTHER MATERIAL" |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $15,000 |
| Emergency Response | $0 |
| Other Costs | $0 |
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.