{"operation":"document","citation":"PHMSA Report 20110386","title":"WILLIAMS GAS PIPELINE - TRANSCO — Gas transmission and gathering — incident on 2011-10-30","source_type":"incident","agency":"Pipeline and Hazardous Materials Safety Administration","status":"historical","official":true,"published_on":"2011-11-18","effective_on":"2011-10-30","summary":"Gas transmission and gathering incident in DULAC, TERREBONNE County, LA. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 225 NATURAL GAS released, $650,000 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings. PHMSA trend classification: significant incident, not serious.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-incident-20fc987e4281036bb52f9d61.json","markdown":"https://regulus.evalyn.ai/document/phmsa-incident-20fc987e4281036bb52f9d61.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-incident-20fc987e4281036bb52f9d61","source_url":"https://data.transportation.gov/api/views/27nc-rsge/files/2b05c2d8-d14a-4c56-ac1c-7d23a4bc31c8?download=true&filename=Gas%20Transmission%20%26%20Gathering%20Incident%20Data%20-%20January%202010%20to%20present.zip","body":"Gas transmission and gathering incident in DULAC, TERREBONNE County, LA. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 225 NATURAL GAS released, $650,000 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.\n\nReport number: 20110386.\n\nOperator ID: 19570.\n\nReported incident date: 10/30/2011 18:55.\n\nLocation detail: 31.644\n\nCause detail: INTERNAL CORROSION\n\nCause detail: ON THE EVENING OF OCTOBER 30TH, WILLIAMS RECEIVED A CALL FROM THE USCG STATING THAT THERE WERE BUBBLES SEEN COMING FROM COORDINATES 90 53.92N ' 29 08.750W. THE TRANSCO DISTRICT MANAGER DETERMINED THAT IT WAS SAFER TO WAIT UNTIL MORNING BEFORE SENDING A CREW OFFSHORE. AT THE TIME OF THE LEAK, TRANSCO COULD NOT VERIFY WHETHER IT WAS THEIR LINE LEAKING OR NOT. WHEN CREWS ARRIVED AT THE LEAK SITE, A DETERMINATION WAS MADE THAT IT WAS IN FACT TRANSCO'S PIPELINE. THE VALVES WERE CLOSED, THE LINE WAS BLOWN DOWN, AND A CLAMP WAS INSTALLED. THE LEAK WAS DETERMINED TO BE A PINHOLE LEAK AT THE 6 O'CLOCK POSITION ON THE GIRTH WELD. THE PIPELINE WAS RESTORED TO SERVICE ON NOVEMBER 8, 2011.\n\nPHMSA trend classification: significant incident, not serious.\n\nPHMSA standardized cause: CORROSION — INTERNAL.\n\nPHMSA indexed costs: $764,300 reported total cost, $420,560.854 in 1984 dollars, $980,004.686 in current-year dollars.\n\nPHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.","truncated":false,"body_characters":1645}