"ONEOK NGL PIPELINE, LLC"
hazardous_liquid Incident — — May 2, 2025
Incident Information
| Incident Date | May 2, 2025 |
| Operator | "ONEOK NGL PIPELINE, LLC" |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 36.77511, -97.76291 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $780 |
| Emergency Response | $600 |
| Other Costs | $0 |
Location Map
Incident Narrative
"AT 4:25AM ON MAY 2, 2025, PIPELINE CONTROL RECEIVED A CALL FROM A ONEOK PLANT OPERATOR INDICATING A RELEASE FROM A PSV ON THE ARBUCKLE II PROVER. AT 4:53AM A ONEOK PIPELINE OPERATOR ISOLATED THE PSV STOPPING THE RELEASE. THE CAUSE OF THE PSV FAILURE IS UNDER INVESTIGATION SUPPLEMENTAL- INVESTIGATION RESULTS INDICATE THE PSV RELEASED AT 1,329 PSI. IT FAILED TO RE-SEAT DUE TO DAMAGE TO THE STEM AND SEALING SURFACE OF THE PSV AND CONTINUED TO RELEASE UNTIL MANUALLY ISOLATED."
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.