COLORADO INTERSTATE GAS CO
gas_transmission Incident — — May 22, 2022
Incident Information
| Incident Date | May 22, 2022 |
| Operator | COLORADO INTERSTATE GAS CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 41.67997, -107.98361 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $300 |
| Emergency Response | $1,200 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON MAY 22, 2022 AT 18:44, COLORADO INTERSTATE GAS CO (CIG) GAS CONTROL RECEIVED AN ALARM INDICATING THAT VENT VALVE VO-26 AT THE WAMSUTTER COMPRESSOR STATION (CS) OPENED. CONSEQUENTLY, GAS CONTROL CONTACTED OPERATIONS PERSONAL REGARDING THE ALARM. AT 19:30, CIG OPERATOR ARRIVED ON SITE AND CONFIRMED DISCOVERY OF THE LEAK. AT 19:34, CIG OPERATOR MANUALLY CLOSED THE VENT VALVE VO-26 AND COMMUNICATED THE DETAILS OF THE EVENT TO HIS SUPERVISOR. CIG INITIATED THE EMERGENCY RESPONSE LINE (ERL) AND DURING THE CALL, THE EVENT WAS DEEMED REPORTABLE. THE ROOT CAUSE INVESTIGATION CONCLUDED THAT THE SUPPLY SIDE OF THE GAS PNEUMATIC ESD SWITCH ON VENT VALVE VO-26, ACCUMULATED DEBRIS ALLOWING THE VALVE TO OPEN INADVERTENTLY. CIG OPERATIONS REPLACED THE SWITCH AND TESTED THE VALVE FOR PROPER OPERATION. THE STATION WAS RETURNED TO SERVICE THE SAME DAY.
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.