ENOGEX LLC
gas_transmission Incident — — May 24, 2011
Incident Information
| Incident Date | May 24, 2011 |
| Operator | ENOGEX LLC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 36.63850, -97.81600 |
Cause
| Cause | NATURAL FORCE DAMAGE |
| Subcause | HIGH WINDS |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $100 |
| Emergency Response | $600 |
| Other Costs | $0 |
Location Map
Incident Narrative
A TORNADO STRUCK THE L-102 WIEDEMANN JUNCTION. A UTILITY POLE LOCATED OUTSIDE THE JUNCTION FELL ACROSS THE ABOVE GROUND PORTION OF OUR SIXTEEN INCH PIPELINE AND BROKE A 1 INCH PIPE NIPPLE AT THE THREADED CONNECTION TO THE PIPELINE. GAS CONTROL REMOTELY CLOSED THE NEAREST AUTOMATED UPSTREAM VALVE AT OUR 12-12 JUCTION AND THE NEAREST DOWNSTREAM VALVE AT OUR EDMOND JUNCTION. ON-CALL PERSONNEL ARRIVED ONSITE TO DISCOVER NATURAL GAS VENTING THROUGH THE BROKEN NIPPLE. PERSONNEL ISOLATED A 16 INCH MANUAL VALVE INSIDE THE JUNCTION AND VENTED A 10 MILES SEGMENT OF PIPELINE PRIOR TO REPLACING THE BROKEN NIPPLE AND 1 INCH VENT VALVE.
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.