SOUTHERN NATURAL GAS CO
gas_transmission Incident —
Incident Information
| Report Date | — |
| Operator | SOUTHERN NATURAL GAS CO |
| Commodity | — |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 32.52760, -86.90115 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
ON JULY 15TH AT 11:40 PM SOUTHERN NATURAL GAS'S CONTROL ROOM RECEIVED AN INDICATION OF A POSSIBLE RUPTURE DUE TO A LOW-PRESSURE ALARM. SNG OPERATIONS ACTIVATED THEIR EMERGENCY RESPONSE PLAN AND DISPATCHED PERSONNEL TOWARD SELMA COMPRESSOR STATION AND ELMORE COMPRESSOR STATION TO CHECK THE PIPELINE AND FACILITIES FOR THE POSSIBLE RUPTURE. AT APPROXIMATELY 12:15AM ON JULY 16TH GAS CONTROL RELAYED INFORMATION FROM A LANDOWNER THAT THE RUPTURE HAD OCCURRED NEAR MULBERRY CREEK DOWNSTREAM OF SELMA COMPRESSOR STATION. OPERATIONS WERE THEN SPECIFICALLY ROUTED TO SELMA COMPRESSOR STATION AND BRUCES GATE TO ISOLATE THE LINE. AT 12:50AM OPERATIONS PERSONNEL CONFIRMED THE PIPELINE RUPTURE OCCURRED IN MULBERRY CREEK. THE LINE WAS ISOLATED AT 1:03 AM VIA CLOSURE OF THE UPSTREAM AND DOWNSTREAM VALVES LOCATED AT SELMA COMPRESSOR STATION AND BRUCES GATE. THE LINE WAS PUT BACK INTO SERVICE ON AUGUST 31ST. THE CAUSE OF THE LEAK IS EXTERNAL CORROSION. THIS WAS DETERMINED BY THE METALLURGICAL ANALYSIS.
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.