MOBIL PIPE LINE COMPANY
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | MOBIL PIPE LINE COMPANY |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 29.52682, -95.11206 |
Cause
| Cause | OTHER OUTSIDE FORCE DAMAGE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
INCIDENT OVERVIEW: CONTRACTOR WORKING IN THE AREA SAW CRUDE OIL ON THE GROUND AND NOTIFIED THE OPERATOR OF THE ABNORMAL CONDITION. EXXONMOBIL PIPELINE CO. LLC MOBILIZED TO THE SITE AND DETERMINED THAT A 3/4"" 2000# VALVE RELEASED 5 GALLONS OF CRUDE OIL ONTO THE GRAVEL. AFTER FURTHER INVESTIGATION IT WAS DETERMINED THAT THE VALVE HANDLE, VALVE STEM, & VALVE BODY HAD BEEN DAMAGED FROM AN UNKNOWN EXTERNAL FORCE. THE PIPELINE WAS SITTING STATIC AND THE THERMAL PRESSURE REACHED 680 PSI (BELOW MOP AND NEAR THERMAL RELIEF SETTING) CAUSING THE 3/4"" 2000# VALVE BODY/STEM TO FAIL PREMATURELY RESULTING IN THE RELEASE. THE UPSTREAM AND DOWNSTREAM VALVES WERE CLOSED IMMEDIATELY AND THIS VALVE WAS ISOLATED PREVENTING ANY FURTHER RELEASE. PREVENTING REOCCURRENCE: AFTER THE DAMAGED VALVE WAS ISOLATED, THE VALVE WAS REMOVED AND REPLACED WITH A NEW VALVE. THE EXPECTATION OF REPORTING ANY AND ALL INCIDENTS WAS REINFORCED WITH ALL EXXONMOBIL PERSONNEL AND CONTRACTORS WORKING AT THE FACILITY. IT IS UNKNOWN IF THE DAMAGE TO THIS VALVE WAS KNOWN OR HAPPENED WITHOUT AWARENESS.
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.