"SOUTHERN STAR CENTRAL GAS PIPELINE, INC"
gas_transmission Incident — — February 18, 2021
Incident Information
| Incident Date | February 18, 2021 |
| Operator | "SOUTHERN STAR CENTRAL GAS PIPELINE, INC" |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 41.60664, -106.20676 |
Cause
| Cause | NATURAL FORCE DAMAGE |
| Subcause | TEMPERATURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $500 |
| Other Costs | $3,500 |
Location Map
Incident Narrative
"ON 2/18/2021 AT 5:21 PM CST, SOUTHERN STAR CENTER GAS PIPELINE (SSCGP) GAS CONTROL OPERATOR RECEIVED A SCADA ALARM THAT THE STATION BLOW DOWN VALVE AT THE ARLINGTON COMPRESSOR STATION IN CARBON COUNTY, WYOMING WAS OPEN. THE GAS CONTROL OPERATOR ON DUTY IMMEDIATELY NOTIFIED FIELD OPERATIONS TO DISPATCH PERSONNEL TO THE SITE. THE NRC WAS NOTIFIED AT 6:04 PM CST (NRC#1298376). SSCGP PERSONNEL ARRIVED ON SITE AT 6:35 PM CST AND IMMEDIATELY ACTIVATED THE STATION ESD SYSTEM STOPPING GAS FLOW INSTANTLY. DUE TO THE EXTREME COLD AND WINDY CONDITIONS THE STATION REMAINED ON ESD UNTIL 2/22/2021 SO THE BLOW OFF VALVE COULD BE REMOVED, INSPECTED AND REINSTALLED. UPON INSPECTION, CONDENSATION WAS FOUND IN THE VALVE ACTUATOR. NO OTHER OBVIOUS MECHANICAL OR OPERATIONAL CAUSES WERE DISCOVERED. THE STATION WAS PLACED BACK IN SERVICE ON 2/22/2021 AT 2:00 PM CST. BECAUSE CONDENSATION IN THE ACTUATOR, A DESICCANT FILTER WILL BE INSTALLED ON THE POWER GAS LINE. REASON FOR SUPPLEMENTAL REPORT: UPDATE TO PART H-NARRATIVE: DESICCANT FILTER HAS BEEN INSTALLED ON THE POWER GAS LINE. THE PLC WAS NOT REPROGRAMMED."
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.