"ONEOK NGL PIPELINE, LLC"
hazardous_liquid Incident — — September 24, 2015
Incident Information
| Incident Date | September 24, 2015 |
| 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 | 32.43048, -100.05672 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | EXTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $44,975 |
| Emergency Response | $250 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON SEPTEMBER 24TH, 2015 ONEOK FIELD PERSONNEL AND CONTRACTORS BEGAN EXCAVATION TO LOCATE AND EVALUATE AN ANOMALY IDENTIFIED BY A RECENT INTERNAL INSPECTION TOOL RUN. AS THE CREW BEGAN THE EXCAVATION AN ODOR OF HYDROCARBONS WAS DETECTED BUT NO LEL'S WERE DETECTED BY PERSONAL GAS DETECTORS. AT THAT TIME, APPROXIMATELY 11:09 AM, ONEOK DECIDED TO SHUT THE LINE DOWN AND ISOLATE THE SEGMENT OF PIPE BEING EXCAVATED. AFTER EXCAVATING APPROXIMATELY 20 FT. OF PIPE, AT APPROXIMATELY 12:45 PM, WORKERS IDENTIFIED VAPOR LEAKING FROM A CORROSION POINT ON THE PIPE AND IMMEDIATELY INSTALLED A TEMPORARY CLAMP TO SEAL THE LEAK. THE ISOLATED SEGMENT WAS THEN PURGED OF HYDROCARBONS WITH NITROGEN. THE PIPE SECTION CONTAINING THE LEAK WAS REMOVED AND REPLACED WITH NEW PRETESTED PIPE. AFTER REPAIRS WERE MADE THE PIPELINE WAS RETURNED TO SERVICE AT 10:00 AM ON 9/27/2015."
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.