# ENBRIDGE OFFSHORE (GAS TRANSMISSION) LLC — Gas transmission and gathering — incident on 2012-09-05 **Citation:** PHMSA Report 20130110 **Type / status:** incident / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective:** 2012-09-05 **Published:** 2013-12-03 Gas transmission and gathering incident. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 124 NATURAL GAS released, $164,574 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. ## Document text Gas transmission and gathering incident. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 124 NATURAL GAS released, $164,574 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. Report number: 20130110. Operator ID: 18646. Reported incident date: 9/5/2012 16:38. Cause detail: INTERNAL CORROSION Cause detail: A GAS LEAK WITH NO SHEEN WAS DISCOVERD BY THIRD PARTY FLYING OVER THE AREA ON SEPTEMBER 5TH, 2012 AND REPORTED TO ENBRIDGE. ENBRIDGE SENT A HELICOPTER TO THE AREA TO INVESTIGATE AND GET LAT/LONG COORDINATES. THE LAT/LONG COORDINATES WERE SENT TO DRAFTING TO PLOT THE LOCATION AND OUR LINE LOCATION. ENBRIDGE HAS A LINE IN THE AREA, SO A DIVE BOAT WAS HIRED TO INVESTIGATE. THE DIVERS ARRIVED ON LOCATION AND DISCOVERED A PIN HOLE LEAK AT THE 6 O'CLOCK POSTION ON LINE SEGMENT 2814. THIS INCIDENT WAS REPORTED LATE DUE TO THE CHANGE IN THE REPORTING SYSTEM. I CONTACTED TOM BRAVO BY PHONE AND E-MAIL SEVERAL TIMES UNTIL I WAS APPROVED TO USE THE NEW SYSTEM. L. B. STEVENS PHMSA trend classification: significant incident, not serious. PHMSA standardized cause: CORROSION — INTERNAL. PHMSA indexed costs: $165,074 reported total cost, $87,098.673 in 1984 dollars, $213,981.62 in current-year dollars. PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings. ## Provenance - Official: Yes - Source: - Source ID: `phmsa-pipeline-incidents` - SHA-256: `fc268e16c3d39e9a99c018802331a988bfe58cbe9d80f611d543f4a418a9f9d7` - Retrieved: 2026-08-20T03:30:32.010Z - Exported: 2026-08-26T07:24:14.504Z - Document slug: `phmsa-incident-3e04fb01598f1d543f3a6f13` ### Source metadata ```json { "recordKind": "pipeline_incident", "datasetType": "gas_transmission_gathering", "datasetLabel": "Gas transmission and gathering", "datasetPeriod": "January 2010 to present", "report": { "number": "20130110", "supplementalNumber": "16364", "type": "SUPPLEMENTAL", "receivedDate": "2013-12-03", "receivedDateRaw": "12/3/2013" }, "operator": { "id": "18646", "name": "ENBRIDGE OFFSHORE (GAS TRANSMISSION) LLC" }, "incident": { "date": "2012-09-05", "dateRaw": "9/5/2012 16:38" }, "location": { "city": null, "county": null, "state": null, "postalCode": null, "latitude": 29.2151, "longitude": -93.12, "type": "OFFSHORE", "details": {}, "facilityName": null }, "cause": { "category": "CORROSION FAILURE", "details": { "CAUSE_DETAILS": "INTERNAL CORROSION", "NARRATIVE": "A GAS LEAK WITH NO SHEEN WAS DISCOVERD BY THIRD PARTY FLYING OVER THE AREA ON SEPTEMBER 5TH, 2012 AND REPORTED TO ENBRIDGE. ENBRIDGE SENT A HELICOPTER TO THE AREA TO INVESTIGATE AND GET LAT/LONG COORDINATES. THE LAT/LONG COORDINATES WERE SENT TO DRAFTING TO PLOT THE LOCATION AND OUR LINE LOCATION. ENBRIDGE HAS A LINE IN THE AREA, SO A DIVE BOAT WAS HIRED TO INVESTIGATE. THE DIVERS ARRIVED ON LOCATION AND DISCOVERED A PIN HOLE LEAK AT THE 6 O'CLOCK POSTION ON LINE SEGMENT 2814. THIS INCIDENT WAS REPORTED LATE DUE TO THE CHANGE IN THE REPORTING SYSTEM. I CONTACTED TOM BRAVO BY PHONE AND E-MAIL SEVERAL TIMES UNTIL I WAS APPROVED TO USE THE NEW SYSTEM. L. B. STEVENS" } }, "consequences": { "fatalities": 0, "injuries": 0, "commodity": "NATURAL GAS", "release": "124", "propertyDamage": 164574, "estimatedOperatorCost": 0, "estimatedEmergencyCost": 0, "estimatedEnvironmentalCost": null, "ignition": "NO", "explosion": "NO", "evacuated": 0, "raw": { "FATAL": "0", "INJURE": "0", "UNINTENTIONAL_RELEASE": "124", "EST_COST_PROP_DAMAGE": "164574", "PRPTY": "165074" } }, "provenance": { "viewId": "27nc-rsge", "viewUrl": "https://data.transportation.gov/api/views/27nc-rsge", "assetId": "2b05c2d8-d14a-4c56-ac1c-7d23a4bc31c8", "archiveFilename": "Gas Transmission & Gathering Incident Data - January 2010 to present.zip", "archiveSha256": "fe0b136ca4b00ac987a8bc2e195098accf910d97512c5fc3b59e62d9da5f674e", "memberPath": "incident_gas_transmission_gathering_jan2010_present.txt", "memberSha256": "b435f2a25718cf54c54e00294e6788c4f9c6860e02fb86355e75d294c243c4dd", "rowNumber": 1672, "rowSha256": "01d4f2abfed762aca12660246917020586b93811bcf81d6fb295c2a1315f4ef1" }, "caveat": "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.", "operatorReported": true, "finalAgencyFinding": false, "flaggedAnalysis": { "dataAsOf": "2026-07-31", "flags": { "fireFirst": null, "significant": true, "serious": false }, "standardizedCause": { "sevenCategory": "CORROSION", "sevenSubcategory": "INTERNAL", "eightCategory": "CORROSION", "eightSubcategory": "INTERNAL" }, "costs": { "reported": 165074, "in1984Dollars": 87098.67336871036, "currentYearDollars": 213981.62038942918 }, "caveat": "PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.", "provenance": { "sourceUrl": "https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/data_statistics/pipeline/PHMSA_Pipeline_Safety_Flagged_Incidents.zip", "landingPageUrl": "https://www.phmsa.dot.gov/data-and-statistics/pipeline/pipeline-incident-flagged-files", "catalogUrl": "https://data.transportation.gov/Pipelines-and-Hazmat/Pipeline-Incident-Flagged-Files/qdme-9bbm", "retrievalMode": "official_live", "archivedAt": null, "archiveSha256": "317e6a3e16d60b9b677efe391dc40258b5dd7ead83fb8bea74cb553cedfbbdec", "workbook": "gtggungs2010toPresent.xlsx", "sheet": "gtggungs2010toPresent", "rowNumber": 447, "rowSha256": "e0c56565531d377178029174517a749b867d684ef0b96957808dee4d59c203df" } }, "jurisdiction": "US", "operatorName": "ENBRIDGE OFFSHORE (GAS TRANSMISSION) LLC" } ```