ENABLE OKLAHOMA INTRASTATE TRANSMISSION, LLC
gas_transmission Incident — — February 7, 2019
Incident Information
| Incident Date | February 7, 2019 |
| Operator | ENABLE OKLAHOMA INTRASTATE TRANSMISSION, LLC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 35.29780, -98.83370 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $500 |
| Emergency Response | $500 |
| Other Costs | $0 |
Location Map
Incident Narrative
AT 2/7/19 AT 01:00 THE CORDELL COMPRESSOR STATION WAS SHUT DOWN BY SYSTEM CONTROL. WHEN THE STATION SHUT DOWN, A SURGE VALVE FOR THE FUEL GAS LINE HUNG OPEN DUE TO SEVERE ICING. DUE TO THE VALVE NOT CLOSING, NATURAL GAS WAS ALLOWED TO FLOW BY AND SINCE THE STATION WAS SHUT DOWN THIS GAS ESCAPED THROUGH A 2"" VENT FOR 7.5 HOURS UNTIL IT WAS DISCOVERED BY AN OPERATOR EMPLOYEE AT 08:30 THE SAME DAY. THE VALVE WAS ISOLATED, DE-ICED, AND PUT BACK INTO SERVICE IMMEDIATELY. GAS LOSS FOR THE EVENT WAS CONFIRMED AT 09:30 AND A CALL WAS PLACED WITH THE NRC AT 10:28 (#1237058). A 48 HOUR FOLLOW UP CALL WAS PROVIDED ON 2/8/19 AT 07:34 (#1237159).
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.