"ONEOK NGL PIPELINE, LLC"
hazardous_liquid Incident — — February 21, 2017
Incident Information
| Incident Date | February 21, 2017 |
| 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 | 35.31704, -98.32384 |
Cause
| Cause | MATERIAL FAILURE OF PIPE OR WELD |
| Subcause | "DESIGN-, CONSTRUCTION-, INSTALLATION-, OR FABRICATION-RELATED" |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $47,000 |
| Emergency Response | $1,350 |
| Other Costs | $5,680 |
Location Map
Incident Narrative
"ON 2/21/2017 ONEOK MEASUREMENT TECHNICIANS WORKING AT THE MUSTANG BINGER LOCATION BELIEVED THEY SAW VAPORS COMING FROM THE ROAD CROSSING VENT PIPES. PIPELINE CONTROL AND FIELD OPERATIONS PERSONNEL WERE CONTACTED. FIELD PERSONNEL ARRIVED ON SITE AND TESTED THE VAPORS FOR PRESENCE OF HYDROCARBONS. HYDROCARBONS WERE CONFIRMED AND THE PIPELINE WAS SHUT DOWN AT 17:47. THE NRC WAS CALLED AT 19:47 (REPORT # 1171620) AFTER ONEOK PERSONNEL DETERMINED THE WORK INVOLVED IN LOCATING THE LEAK AND NITROGEN PURGING THE PIPELINE OF HYDROCARBONS WOULD EXCEED $50,000. APPROXIMATELY 6.5 MILES OF PIPELINE WAS PURGED WITH NITROGEN. THE UPSTREAM SIDE OF THE ROAD CROSSING WAS EXCAVATED AND A MAINLINE WELD LOCATION APPROXIMATELY 1 FT. UPSTREAM OF THE CASING WAS IDENTIFIED AS THE SOURCE OF THE RELEASE. ONEOK REMOVED THE DEFECTIVE WELD AND REPLACED A SECTION OF THE PIPELINE WITH PRE-TESTED PIPE. ONCE REPAIRS WERE MADE THE PIPELINE WAS RETURNED TO SERVICE AT 17:00 ON 2/25/2017."
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.