ONEOK NGL PIPELINE LP
hazardous_liquid Incident — — September 8, 2010
Incident Information
| Incident Date | September 8, 2010 |
| Operator | ONEOK NGL PIPELINE LP |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 38.36930, -97.83197 |
Cause
| Cause | INCORRECT OPERATION |
| Subcause | PIPELINE OR EQUIPMENT OVERPRESSURED |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
"A PIPELINE DELIVERY WAS BEING SET-UP IN PREPARATION FOR A MOVEMENT ON THE 100 PIPELINE. DUE TO A COMMUNICATION ERROR, THE PRODUCT FLOW WAS UNKNOWINGLY DIVERTED TO A BLOCKED IN SECTION OF PIPELINE RESULTING IN A PRESSURES RISE, ALTHOUGH NOT IN EXCESS OF OPERATING LIMIT. A THERMAL RELIEF VALVE OPENED AT 746 PSI FOR 1 MINUTE RESULTING IN APPROXIMATELY 0.85 BARRELS OF LIQUID VENTED TO THE AIR. NO INDICATION OF ANY LIQUID HITTING THE GROUND. BECAUSE OF THE ABOVE MENTIONED CLOSED VALVE THERE WAS 2 SEPARATE LOCATIONS WHERE THERMAL RELIEF VALVES OPENED. THE OTHER REPORT THAT IS RELATED TO THIS INCIDENT IS 20100217."
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.