SOUTHERN STAR CENTRAL GAS PIPELINE, INC
gas_transmission Incident — — November 27, 2014
Incident Information
| Incident Date | November 27, 2014 |
| Operator | SOUTHERN STAR CENTRAL GAS PIPELINE, INC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 36.86647, -97.93078 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $2,100 |
| Emergency Response | $1,300 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON 11/27/2014 AT 03:20 SSC GAS CONTROL BEGAN RECEIVING ALARMS THAT LASTED APPROXIMATELY 15 MINUTES. DURING THIS TIME THE PRESSURES ON THE ""GUYMON 26IN."" WERE OBSERVED AS DECREASING AND CONTINUED FOR APPROXIMATELY 40 MINUTES. GAS CONTROL ATTEMPTED TO INVESTIGATE THE POTENTIAL CAUSE AND AFTER NO REASONING COULD BE DETERMINED, SSC OPERATIONS WERE CALLED AT 03:50. SSC OPERATIONS ARRIVED AT THE WAKITA COMPRESSOR STATION AND CONFIRMED WITH GAS CONTROL, AT 04:16, THE CAP ON THE RELIEF VALVE WAS OFF AND IT WAS THE EXPECTED CAUSE OF THE DROP IN PRESSURE. BY 11:29 ALL RELIEF VALVES BETWEEN WAKITA STATION AND THE UPSTREAM ALVA STATION HAD BEEN CONFIRMED AS NOT BLOWING. THE SET-POINTS WERE TESTED ON THE RELIEF AND FOUND TO WORK CORRECTLY. THE STATION PIPING WAS ISOLATED UNTIL 12/2 WHEN THE RELIEF WAS REBUILT AND TESTED AGAIN.
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.