NUSTAR LOGISTICS, L.P.
hazardous_liquid Incident — — June 18, 2015
Incident Information
| Incident Date | June 18, 2015 |
| Operator | NUSTAR LOGISTICS, L.P. |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 29.14259, -95.97281 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | EXTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $271,645 |
| Emergency Response | $153,556 |
| Other Costs | $7,392 |
Location Map
Incident Narrative
DURING THE MORNING OF JUNE 22, 2015, A DOWNWARD TREND IN PIPELINE PRESSURE WAS DISCOVERED, BASED OFF PRESSURE SENSORS AT LOCATIONS ON THE PIPELINE SYSTEM. THE 40P HOUSTON LPG PIPELINE WAS PREVIOUSLY SHUT IN. EMERGENCY RESPONSE CREWS BEGAN ISOLATING MAINLINE VALVES AND CHECKING IMMEDIATE RESPONSE AREAS WITHIN THE AFFECTED SEGMENT. DURING A SURFACE PATROL, A RELEASE WAS DISCOVERED IN A RURAL AREA OF MATAGORDA COUNTY. REPAIRS WERE MADE BY INSTALLING A REPAIR SLEEVE. UPDATE: THE CAUSE OF THE LEAK WAS EXTERNAL THROUGH-WALL SELECTIVE SEAM WELD CORROSION.
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.