TRANSCONTINENTAL GAS PIPE LINE COMPANY

gas_transmission Incident — — October 22, 2023

Incident Information

Incident DateOctober 22, 2023
OperatorTRANSCONTINENTAL GAS PIPE LINE COMPANY
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates30.74417, -91.26639

Cause

CauseEQUIPMENT FAILURE
SubcauseMALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Casualties

Fatalities0
Injuries0

Costs

Property Damage$2,500
Emergency Response$0
Other Costs$0

Location Map

Incident Narrative

TIMELINE OF INCIDENT 10/22/23: (ALL TIMES CDT) PIPELINE CONTROL BEGAN TO SEE GAS BUILD-UP ON SYSTEM WITH NO PLACE FOR GAS TO GO STA 60 WAS OPERATING WITH ONE LINE IN AND ONE LINE OUT -APPROX 12:10PM PERSON ON CALL (POC) RECEIVED CALL FROM GAS CONTROL THAT PRESSURE WAS RISING (APPROX 796PSI) AND UNITS WERE SLOWING DOWN POC WAS ASKED BY P/L CTRL TO PUT ANOTHER DISCHARGE LINE IN SERVICE -APPROX 12:13PM MAIN UNIT #2 PSV LIFTED (THIS WAS FOUND FROM PI VISION/HMI TRENDING DATA) -APPROX 12:30PM POC ARRIVED AT STATION AND HEARD BLOWING FROM COMPRESSOR BUILDING -APPROX 12:36PM POC SHUT DOWN AND ISOLATED MU2 10/23/23: BEGAN TROUBLESHOOTING PSV TO DETERMINE CAUSE; FOUND TRASH IN PILOT (LIKELY CAUSE OF FAILURE) 10/26/2023 MU#2 RETURNED TO SERVICE

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.

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