SOUTHERN STAR CENTRAL GAS PIPELINE, INC
gas_transmission Incident — — December 10, 2018
Incident Information
| Incident Date | December 10, 2018 |
| Operator | SOUTHERN STAR CENTRAL GAS PIPELINE, INC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 39.92683, -101.93880 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON 12/10/2018 AT 3:10 AM LOCAL TIME, SOUTHERN STAR CENTRAL GAS PIPELINE (SSCGP) RECEIVED A HIGH LEVEL GAS DETECTION ALARM WHICH TRIGGERED AN AUTOMATIC EMERGENCY SHUTDOWN (ESD) OF THE ST. FRANCIS COMPRESSOR STATION IN CHEYENNE COUNTY, KANSAS. OPERATIONS PERSONNEL WERE DISPATCHED TO THE STATION ARRIVING AT 5:02 AM. AS PART OF THE ESD, THE STATION IS AUTOMATICALLY ISOLATED AND BLOWN DOWN. THE SCADA OPERATOR RECEIVED ALARMS THAT SSCGP LINE W WAS EXPERIENCING A RAPID DROP IN PRESSURE UPSTREAM OF THE STATION. THE UPSTREAM STATION ISOLATION VALVE FAILED TO FULLY CLOSE DURING THE ESD CAUSING MAINLINE GAS TO ESCAPE ALSO. ALL GAS WAS RELEASED THROUGH THE STATION BLOW-OFF VALVES. THE PERSONNEL ON SITE WARMED THE FROZEN ISOLATION VALVE AND HAD IT FULLY CLOSED BY 5:40 AM. A SMALL FITTING INSIDE OF THE STATION WAS LEAKING WHICH PROPERLY CAUSED THE ORIGINAL ESD. THIS FITTING WAS REPAIRED AND THE STATION WAS BROUGHT BACK ON-LINE AT 3:30 PM ON 12/10/2018.
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.