TENNESSEE GAS PIPELINE COMPANY

gas_transmission Incident —

Incident Information

Report Date
OperatorTENNESSEE GAS PIPELINE COMPANY
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates29.48583, -93.79317

Cause

CauseMATERIAL FAILURE OF PIPE OR WELD
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

THIRD PARTY PRODUCER NOTICED SMALL PRESSURE REDUCTION ISSUES ON PLATFORM. NOTIFIED TGP. TGP SCADA DID NOT SHOW ANY PRESSURES OUTSIDE NORMAL PARAMETERS. PRODUCER SUBSEQUENTLY IDENTIFIED BUBBLES ON SURFACE AND PROVIDED COORDINATES TO TGP. BUBBLES LOCATED BY AIRCRAFT PILOT WITH GPS COORDINATES NEAR THE 821E-100 LINE IN HIGH ISLAND BLOCK 39. INITIAL ACTIONS / REPORT: ISOLATED LINE 821E-100 LINE BY SHUTTING IN TWO FLOWING PRODUCERS AND MAINLINE VALVE AT SABINE PASS 18 CG. SUBSEQUENT INVESTIGATION FOUND A CRACK ON 6"" SADDLE AT SUB-SEA TIE-IN. REPAIR PART HAS NINE WEEK LEAD TIME. PROVIDED A NOTICE TO MARINERS WITH THE PORT ARTHUR COAST GUARD ON JANUARY 20TH. GAS BLANKET WILL BE MAINTAINED ON PIPELINE TO PREVENT OIL IN LINE FROM ESCAPING. AS A RESULT GAS WILL CONTINUE TO BE RELEASED UNTIL REPAIR CAN BE MADE. FINAL GAS VOLUME RELEASED WILL BE CALCULATED AT THAT TIME. UPDATE / FINAL REPORT: THE REPAIRS WERE BEEN COMPLETED ON APRIL 25, 2013 AND THE PIPELINE WAS PUT BACK INTO SERVICE ON APRIL 30, 2013.

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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