SOUTHERN NATURAL GAS CO
gas_transmission Incident — — May 29, 2024
Incident Information
| Incident Date | May 29, 2024 |
| Operator | SOUTHERN NATURAL GAS CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 32.78887, -84.25347 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $5,000 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
"A PLANNED ESD WAS CONDUCTED TO DEPRESSURIZE THE STATION FOR MAINTENANCE AND VALVE REPAIRS. DURING THE ESD, THE DISCHARGE SIDE GATE VALVES OPERATED AS INTENDED, BUT SUCTION SIDE GATE VALVE #43 DID NOT FULLY CLOSE, ONLY PARTIALLY CLOSING. WHILE ATTEMPTING TO CLOSE THE VALVE, THE GAS LOSS EXCEEDED THE ALLOWABLE NON-REPORTING LIMIT OF 3,000 MCF, ULTIMATELY REACHING 28,956 MCF ONCE THE ESD AND BLOW-OFF VALVES WERE CLOSED. AN INVESTIGATION WILL BE CONDUCTED TO DETERMINE WHY VALVE #43 DID NOT FUNCTION PROPERLY."
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.