TRANSWESTERN PIPELINE COMPANY LLC

gas_transmission Incident — — October 19, 2020

Incident Information

Incident DateOctober 19, 2020
OperatorTRANSWESTERN PIPELINE COMPANY LLC
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates32.53238, -103.80928

Cause

CauseEQUIPMENT FAILURE
SubcauseMALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

08:11 MTN, OCTOBER 18TH TECHNICIAN CONTACTED GAS CONTROL TO NOTIFY THEM OF GAS BLOWING. AT 08:22 MTN ISOLATED RELIEF VALVE THEN TESTED AND FOUND THAT THE RELIEF CONTROL PILOT WOULD NOT HOLD A SET POINT. REPLACED WITH SPARE RELIEF CONTROL PILOT, RETESTED AND SET PRESSURE. 08:35 MTN, RESTARTED UNITS AND FOUND THAT EVERYTHING WAS BACK TO NORMAL. 06:46 MTN, OCTOBER 19TH ROUGH CALCULATION OF GAS VOLUME LOSS WAS COMPLETED, NOTIFIED REGULATORY. 07:44 MTN, OCTOBER 19TH NRC NOTIFICATION WAS MADE NRC #1290106. 06:08 MTN, OCTOBER 21ST 48 HOUR NRC NOTIFICATION WAS MADE NRC #1290280, UPDATED GAS VOLUME.

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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