TENNESSEE GAS PIPELINE COMPANY
gas_transmission Incident —
Incident Information
| Report Date | — |
| Operator | TENNESSEE GAS PIPELINE COMPANY |
| Commodity | — |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 36.61583, -86.55972 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
TGP STATION 87 RELIEF VALVE ACTUATION RESULTING IN A PHMSA REPORTABLE QUANTITY OF 18,390 MCF. ON 10/22/2024, AT APPROXIMATELY 7:28 PM CST, LINE 500 - 1X3 CROSSOVER VALVE PREMATURELY CLOSED. WHEN THE VALVE ACTUATED, RUNNING ENGINES CAUSED ELEVATED PRESSURE ON LINE 100-3 IN THE STATION YARD. UNITS 7C AND 8C SHUT DOWN DUE TO HIGH DISCHARGE PRESSURE SEEN ON THE UNIT PRESSURE SWITCHES. TO PROTECT THE SYSTEM MAOP, THE RELIEF VALVE ON 100-3 IN THE STATION YARD ALSO BEGAN TO VENT. THE RELIEF VALVE VENTED AND RE-SET ITSELF MULTIPLE TIMES UNTIL IT FAILED OPEN DUE TO THE INTERNAL SEAT BECOMING DISLODGED. LINE 100-3 HAS BEEN ISOLATED IN THE YARD. INVESTIGATION UNDERWAY. SUPPLEMENTAL REPORT WILL BE SUBMITTED WITH FINDINGS. NO INJURIES, NO OIL MIST RELEASED, NO EMERGENCY RESPONSE OR ROAD CLOSURES.
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.