EXXONMOBIL PIPELINE CO
hazardous_liquid Incident — — December 28, 2016
Incident Information
| Incident Date | December 28, 2016 |
| Operator | EXXONMOBIL PIPELINE CO |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 30.33260, -91.27449 |
Cause
| Cause | MATERIAL FAILURE OF PIPE OR WELD |
| Subcause | ENVIRONMENTAL CRACKING-RELATED |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $275,000 |
| Emergency Response | $0 |
| Other Costs | $100,000 |
Location Map
Incident Narrative
"ON DECEMBER 28, 2016, EXXONMOBIL PIPELINE COMPANY (EMPCO) DISCOVERED THE PIPELINE FAILURE THAT OCCURRED ON THE NIGHT OF DECEMBER 4, 2016. AT THE TIME OF THE RELEASE, THE PIPELINE WAS NOT FLOWING/ISOLATED, BUT CONTAINED 98.67% ETHANE, 0.97% METHANE AND 0.36% PROPANE. ROOT CAUSE OF THE FAILURE IS PENDING COMPLETION OF THE INVESTIGATION AND METALLURGICAL EXAMINATION. AT THIS TIME, THE PROBABLE FAILURE SITE HAS BEEN IDENTIFIED AND EXCAVATION ACTIVITIES ARE BEING PLANNED FOR LATE FEBRUARY, 2017. THE INVESTIGATION (METALLURGICAL EXAMINATION) DETERMINED THE ROOT CAUSE OF THE FAILURE WAS CIRCUMFERENTIAL STRESS CORROSION CRACKING OF THE PIPE. PIPELINE HAS BEEN REPAIRED BUT DUE TO BUSINESS NEEDS THE PIPELINE WILL REMAIN INACTIVE AND DISPLACED WITH N2."
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.