"ONEOK NGL PIPELINE, LLC"
hazardous_liquid Incident — — October 14, 2025
Incident Information
| Incident Date | October 14, 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 | 30.09770, -94.95220 |
Cause
| Cause | MATERIAL FAILURE OF PIPE OR WELD |
| Subcause | "DESIGN-, CONSTRUCTION-, INSTALLATION-, OR FABRICATION-RELATED" |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $64,325 |
| Emergency Response | $350 |
| Other Costs | $0 |
Location Map
Incident Narrative
"AT 23:41 ON 10/14/25, PCC RECEIVED AN ALARM ON A GAS DETECT AT THE ARBUCKLE II DAYTON PUMP STATION. AN AREA OPERATOR WAS DISPATCHED AND UPON ARRIVAL IDENTIFIED A LEAK ORIGINATING FROM UNDERGROUND. THE STATION WAS SHUT DOWN, AND THE SUSPECTED SEGMENT WAS ISOLATED AND DE-INVENTORIED. UPON EXCAVATION, NON-DESTRUCTIVE EVALUATION TESTING DETERMINED THE SOURCE OF THE LEAK WAS A CRACK IN A FILLET WELD ON FLARE PIPING. THE COMPLETE WELD WAS REMOVED, AND A NEW WELD WAS MADE PER ONEOK WELDING PROCEDURE. THE CRACK WAS EVALUATED AND IS ATTRIBUTED TO INCOMPLETE PENETRATION IN THE FIRST PASS COMBINED WITH AN ELEMENT OF MECHANICAL STRESS. NRC WAS NOTIFIED ON 10/17/25 ONCE DETERMINATION WAS MADE THAT THE COST WOULD EXCEED $50,000."
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.