PLAINS MARKETING, L.P.
hazardous_liquid Incident — — August 5, 2012
Incident Information
| Incident Date | August 5, 2012 |
| Operator | PLAINS MARKETING, L.P. |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 35.93611, -96.73806 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | OTHER EQUIPMENT FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $15,000 |
| Emergency Response | $5,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
APPROXIMATELY ONE (1) BARREL OF CRUDE OIL WAS RELEASED WHEN THE SWIVEL JOINT ATTACHED TO THE ROOF DRAIN ON TOP OF TANK 100 FAILED. THE SWIVEL JOINT ALLOWS THE ROOF DRAIN LINE INSIDE THE TANK TO MOVE FREELY AS THE ROOF MOVES UP AND DOWN. A FLANGE WELDED TO THE SWIVEL JOINT ATTACHES THE ROOF DRAIN LINE TO THE FLOATING ROOF AT THE DRAIN POINT ON THE ROOF. WHEN THE SWIVEL JOINT FAILED (FROZE UP) IT CREATED A STRESS IN THE WELD THAT ATTACHES THE FLANGE TO THE SWIVEL JOINT. THIS STRESS CAUSED THE WELD TO FAIL WHICH RESULTED IN THE RELEASE FROM THE TANK THROUGH THE ROOF DRAIN LINE. THE SWIVEL JOINT WAS IMMEDIATELY REPLACED AND TO PREVENT REOCCURRENCE, THE SWIVEL JOINT WILL BE REPLACED ON ALL TANKS EACH TIME THE TANK UNDERGOES AN OUT OF SERVICE 653 INSPECTION.
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.