"ONEOK NGL PIPELINE, LLC"
hazardous_liquid Incident — — May 19, 2020
Incident Information
| Incident Date | May 19, 2020 |
| 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 | 32.29580, -101.12032 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | NON-THREADED CONNECTION FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $20 |
| Emergency Response | $1,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON MAY 19TH AT 8:15 A.M. A LANDOWNER CONTACTED ONEOK PIPELINE CONTROL VIA THE EMERGENCY PHONE NUMBER REGARDING A POSSIBLE HYDROCARBON RELEASE AT MP 148 IN MITCHELL COUNTY, TEXAS. PIPELINE CONTROL CENTER DISPATCHED THE LOCAL OPERATIONS EMPLOYEE TO THE LOCATION. LOCAL OPERATIONS PERSONNEL ARRIVED ONSITE AT 8:35 A.M. AND CONFIRMED THE LEAK WAS ON THE 14-INCH SCRAPER TRAP DOOR. AT 8:49 A.M. THE TRAP WAS ISOLATED AND BLOWN DOWN. UPON INVESTIGATION IT WAS DETERMINED THAT THE O-RING ON THE SCRAPER TRAP WAS DAMAGED IN TWO DIFFERENT PLACES. AT 9:09 A.M. THE O-RING HAD BEEN REPLACED AND THE BARREL RETURNED TO SERVICE. BOTH O-RING MATERIAL AND GREASE COMPATIBILITY HAVE NOT BEEN IDENTIFIED AS CONTRIBUTING TO THE FAILURE. AN O-RING AWARENESS DOCUMENT SPECIFIC TO DAMAGE IDENTIFICATION AND PREVENTION IS UNDER DEVELOPMENT IN RESPONSE TO THE INCIDENT. UPDATE: 6/23/2020 ONEOK DOES NOT BELIEVE THE FAILURE WAS DUE TO COMMODITY INCOMPATIBILITY."
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.