TENNESSEE GAS PIPELINE CO (EL PASO)

gas_transmission Incident — — April 20, 2011

Incident Information

Incident DateApril 20, 2011
OperatorTENNESSEE GAS PIPELINE CO (EL PASO)
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates29.04717, -90.22933

Cause

CauseOTHER OUTSIDE FORCE DAMAGE
SubcauseROUTINE OR NORMAL FISHING OR OTHER MARITIME ACTIVITY NOT ENGAGED IN EXCAVATION

Casualties

Fatalities0
Injuries0

Costs

Property Damage$502,000
Emergency Response$1,000
Other Costs$0

Location Map

Incident Narrative

PRODUCER PERSONNEL SAW BUBBLES FROM HIS PLATFORM IN THE VICINITY OF TENNESSEE GAS PIPELINE (TGP) COMPANY'S 524C-400 PIPELINE. HE REPORTED THIS TO TGP. UPON NOTIFICATION, TGP MOBILIZED TO ISOLATE THE LEAK AND SEND DIVERS DOWN TO INVESTIGATE IN LOUISIANA STATE WATERS, BAY MARCHAND BLOCK 5. DIVERS FOUND A BREAK IN THE 2"" BY-PASS LINE AROUND A 6"" TAP VALVE WHERE A LATERAL LINE BRANCHES OFF OF THE 16"" 524C-400 LINE. THE PRESENCE OF SHRIMP NET PIECES INDICATED THAT A SHRIMPER CAUGHT A NET ON THE LINE WHICH SEVERED THE 2"" PIPE. THE SUBSEA ASSEMBLY WAS REBUILT AND THE LINE WAS PLACED BACK INTO 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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