ONEOK NGL PIPELINE LP
hazardous_liquid Incident — — February 17, 2011
Incident Information
| Incident Date | February 17, 2011 |
| Operator | ONEOK NGL PIPELINE LP |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 36.89254, -97.75932 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | EXTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $100,000 |
| Emergency Response | $12,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ALARMS AT CONTROL CENTER INDICATED POSSIBLE RELEASE ON ONEOK NGL PIPELINE NORTHLINE #2. PIPELINE CONTROL CENTER SHUTDOWN PIPELINE AND ISOLATED VALVES AT MEDFORD. LEAK DETECTION INDICATED RELEASE TO BE APPROXIMATELY 11 MILES DOWNSTREAM OF MEDFORD PLANT. OPERATIONS SUPERVISOR WAS NOTIFIED AND DISPATCHED FIELD PERSONNEL TO CLOSE MAINLINE VALVE APPROXIMATELY 14 MILES DOWNSTREAM OF MEDFORD, ISOLATING SUSPECTED LEAK SECTION. AERIAL PATROL PILOT WAS CALLED TO INSPECT RIGHT-OF-WAY FOR POSSIBLE RELEASE, FIELD PERSONNEL BEGIN INSPECTING RIGHT-OF-WAY VIA GROUND PATROL. GROUND PATROL IDENTIFIED HVL'S ON SURFACE OF PIPELINE RIGHT-OF-WAY AT APPROXIMATELY 8.3 MILES DOWNSTREAM OF MEDFORD PLANT. FAILED PIPE WAS REMOVED AND REPLACED WITH NEW PIPE. FAILED PIPE WAS SENT TO THIRD PARTY FOR METALLURGICAL ANALYSIS TO DETERMINE CAUSE OF RELEASE."
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.