NUSTAR PERMIAN TRANSPORTATION AND STORAGE, LLC
hazardous_liquid Incident — — February 4, 2019
Incident Information
| Incident Date | February 4, 2019 |
| Operator | NUSTAR PERMIAN TRANSPORTATION AND STORAGE, LLC |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 32.49875, -101.67410 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | DEFECTIVE OR LOOSE TUBING OR FITTING |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $200 |
| Emergency Response | $2,250 |
| Other Costs | $5,315 |
Location Map
Incident Narrative
A CRUDE OIL RELEASE WAS DISCOVERED WITHIN NUSTAR'S NORTH HOWARD TRUCK STATION AT A CHEMICAL INJECTION SITE. THE LEAK OCCURRED AT A 3/8"" STAINLESS STEEL TUBING FITTING USED FOR CORROSION INHIBITOR INJECTION DOWNSTREAM OF THE KNOTT PRAIRIE LATERAL MAINLINE LAUNCHER TRAP. THE CHEMICAL INJECTION WAS ISOLATED, AND THE SITE WAS CLEANED UP. THE COMPONENTS ASSOCIATED WITH THE CHEMICAL INJECTION HAVE BEEN REMOVED FROM SERVICE, AND WILL BE SENT TO A LABORATORY FOR ANALYSIS. UPDATE - THE TUBING FAILED IN FATIGUE AT THE BACK FERRULE IN THE COMPRESSION FITTING. A STRESS RISER WAS CREATED DUE TO REPEATED OVER-TIGHTENING OF THE FITTING. AN ADJACENT CHECK VALVE FAILED TO PREVENT THE RELEASE OF CRUDE OIL . THIS VALVE WAS PRESSURE TESTED AND EXAMINED, AND DAMAGE TO THE CHECK VALVE WAS DISCOVERED. THIS DAMAGE WAS DUE TO HYDRAULIC SHOCK.
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.