TRANSCOLORADO GAS TRANSMISSION COMPANY LLC
gas_transmission Incident — — July 28, 2017
Incident Information
| Incident Date | July 28, 2017 |
| Operator | TRANSCOLORADO GAS TRANSMISSION COMPANY LLC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 36.73511, -107.96642 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $300 |
| Other Costs | $0 |
Location Map
Incident Narrative
BASED ON STATION PRESSURE AND FLOW TRENDS IT HAS BEEN DETERMINED THE 2"" STATION DISCHARGE VENT VALVE MOST LIKELY OPENED DURING A POWER OUTAGE OCCURRING AT 7:23 PM ON 7/28/2017. ON SATURDAY MORNING 07/29/2017 A COMPANY EMPLOYEE WAS DRIVING BY THE TCGT BLANCO COMPRESSOR STATION ON HIS REGULAR DAY OFF. THE EMPLOYEE NOTICED WHAT LOOKED LIKE GAS VAPOR VENTING FROM THE STATION BLOWDOWN SILENCER. THE EMPLOYEE DROVE UP TO THE STATION AND VERIFIED GAS WAS VENTING FROM THE BLOWDOWN SILENCER. EMPLOYEE CALLED OPERATIONS MANAGER AT 7:11 AM LOCAL TIME TO REPORT THE ISSUE. OPERATIONS MANAGER CALLED OUT LOCAL E&C TECHNICIAN TO RESPOND TO THE FACILITY. E&C TECHNICIAN ARRIVED ON SITE AT 7:36 AM LOCAL TIME AND DISCOVERED 2"" STATION DISCHARGE VENT VALVE WAS OPEN. DISCHARGE VENT VALVE CLOSED AT 7:37 AND STOPPED VENTING OF GAS.
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.