ENTERPRISE PRODUCTS OPERATING LLC
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | ENTERPRISE PRODUCTS OPERATING LLC |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 29.60429, -95.13122 |
Cause
| Cause | INCORRECT OPERATION |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
THE PIPELINE HAD BEEN SHUTDOWN AND PURGED WITH NITROGEN FOR MAINTENANCE. AFTER MAINTENANCE HAD BEEN PERFORMED, A SPOOL PIECE THAT HAD BEEN REMOVED TO HELP DRY THE PIPELINE WAS REINSTALLED ON 10/22/2017. THE FOLLOWING DAY, 10/23/2017, A LEAK TEST UTILIZING NITROGEN WAS PERFORMED ON THE ENTIRE PIPELINE. THE LINE PASSED THE 200 PSIG LEAK TEST. ON 10/24/2017 OPERATIONS BEGAN COMMISSIONING THE PIPELINE AND AT 23:17 A TECHNICIAN OBSERVED A GASKET LEAK AT THE TENNECO VALVE SITE. ON 10/25/2017 AT 0142 IT WAS DETERMINED THE VOLUME OF PRODUCT EXCEEDED 5 GALLONS AND, ALTHOUGH THE EVENT DID NOT MEET NRC REPORTING CRITERIA, THE TRRC WAS NOTIFIED AT 0200. IT WAS FOUND THAT THE FLANGES WERE MISALIGNED AND THE BOLTS WERE NOT PROPERLY TORQUED RESULTING IN A LEAK AROUND THE GASKET. THE GASKET WAS REPLACED AND THE FLANGE WAS PROPERLY ALIGNED AND TORQUED.
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.