NUSTAR PIPELINE OPERATING PARTNERSHIP L.P.
hazardous_liquid Incident — — December 12, 2010
Incident Information
| Incident Date | December 12, 2010 |
| Operator | NUSTAR PIPELINE OPERATING PARTNERSHIP L.P. |
| Commodity | REFINED AND/OR PETROLEUM PRODUCT (NON-HVL) WHICH IS A LIQUID |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 38.34136, -97.66619 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | THREADED CONNECTION/COUPLING FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $500 |
| Emergency Response | $2,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
A HEAVY WALL THREADED FITTING FAILED ON A PUMP CASE PRESSURE LINE. THE FITTING HAS BEEN SENT TO A METALLURGICAL LAB FOR FAILURE ANALYSIS. THE FITTINGS FAILED DUE TO FATIGUE CRACKS THAT DEVELOPED IN THE THREAD ROOTS. THE LIKELY SOURCE OF THE STRESS THAT INITIATED AND PROPAGATED THE FATIGUE CRACKS WAS VIBRATION FROM NEARBY EQUIPMENT.
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.