# SEA ROBIN PIPELINE CO — Gas transmission and gathering — incident on 2018-08-20

**Citation:** PHMSA Report 20180092  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2018-08-20  
**Published:** 2018-09-11

Gas transmission and gathering incident. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 300 NATURAL GAS released, $209,454 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, 300 NATURAL GAS released, $209,454 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: 20180092.

Operator ID: 18152.

Reported incident date: 8/20/2018 19:00.

Cause detail: INTERNAL CORROSION

Cause detail: 8/20/18 RECEIVED NOTIFICATION OF A POSSIBLE LEAK. NRC TELEPHONIC NOTIFICATION MADE AT 19:46 NRC#1222188. PHMSA AID NOTIFIED 20:59 8/21/18 PHMSA AID UPDATED 18:53, VESSEL MOBILIZING, NO VISIBLE SHEEN. 8/22/18 48-HOUR UPDATE NRC NOTIFICATION MADE AT 14:58 NRC# 1222374. DIVE SUPPORT VESSEL ON LOCATION. CONFIRMED SEA ROBIN PIPELINE AS THE SOURCE OF THE LEAK. 8/23/18 PHMSA AID UPDATED AT 07:27 8/24/18 NRC UPDATE MADE AT 09:38 NRC# 1222547. 8/25/18 PHMSA AID UPDATED 09:28, THE REPAIRS ARE COMPLETED, LINE HAS BEEN RETURNED TO SERVICE.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: CORROSION — INTERNAL.

PHMSA indexed costs: $305,829 reported total cost, $148,998.925 in 1984 dollars, $359,587.452 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: <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>
- Source ID: `phmsa-pipeline-incidents`
- SHA-256: `e5cf644b800af7eb76b854bd1eb8079927f5e264f985aa1ade783c2821b3940a`
- Retrieved: 2026-08-20T03:30:32.010Z
- Exported: 2026-08-25T14:34:58.670Z
- Document slug: `phmsa-incident-072efc1ca4868e027a31012c`

### Source metadata

```json
{
  "recordKind": "pipeline_incident",
  "datasetType": "gas_transmission_gathering",
  "datasetLabel": "Gas transmission and gathering",
  "datasetPeriod": "January 2010 to present",
  "report": {
    "number": "20180092",
    "supplementalNumber": "30926",
    "type": "ORIGINAL FINAL",
    "receivedDate": "2018-09-11",
    "receivedDateRaw": "9/11/2018"
  },
  "operator": {
    "id": "18152",
    "name": "SEA ROBIN PIPELINE CO"
  },
  "incident": {
    "date": "2018-08-20",
    "dateRaw": "8/20/2018 19:00"
  },
  "location": {
    "city": null,
    "county": null,
    "state": null,
    "postalCode": null,
    "latitude": 28.214083,
    "longitude": -91.70338,
    "type": "OFFSHORE",
    "details": {},
    "facilityName": null
  },
  "cause": {
    "category": "CORROSION FAILURE",
    "details": {
      "CAUSE_DETAILS": "INTERNAL CORROSION",
      "NARRATIVE": "8/20/18 RECEIVED NOTIFICATION OF A POSSIBLE LEAK. NRC TELEPHONIC NOTIFICATION MADE AT 19:46 NRC#1222188. PHMSA AID NOTIFIED 20:59 8/21/18 PHMSA AID UPDATED 18:53, VESSEL MOBILIZING, NO VISIBLE SHEEN. 8/22/18 48-HOUR UPDATE NRC NOTIFICATION MADE AT 14:58 NRC# 1222374. DIVE SUPPORT VESSEL ON LOCATION. CONFIRMED SEA ROBIN PIPELINE AS THE SOURCE OF THE LEAK. 8/23/18 PHMSA AID UPDATED AT 07:27 8/24/18 NRC UPDATE MADE AT 09:38 NRC# 1222547. 8/25/18 PHMSA AID UPDATED 09:28, THE REPAIRS ARE COMPLETED, LINE HAS BEEN RETURNED TO SERVICE."
    }
  },
  "consequences": {
    "fatalities": 0,
    "injuries": 0,
    "commodity": "NATURAL GAS",
    "release": "300",
    "propertyDamage": 209454,
    "estimatedOperatorCost": 0,
    "estimatedEmergencyCost": 90000,
    "estimatedEnvironmentalCost": null,
    "ignition": "NO",
    "explosion": "NO",
    "evacuated": 0,
    "raw": {
      "FATAL": "0",
      "INJURE": "0",
      "UNINTENTIONAL_RELEASE": "300",
      "EST_COST_PROP_DAMAGE": "209454",
      "PRPTY": "305829"
    }
  },
  "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": 944,
    "rowSha256": "51011f8552d166826ca6d89d2a1dc8144e8110a1b35d3ed07c03eb2e5d362b2d"
  },
  "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": 305829,
      "in1984Dollars": 148998.9254849596,
      "currentYearDollars": 359587.4521241217
    },
    "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": 1053,
      "rowSha256": "87e44cf8a83580c5fe2934081ff7b7ad2b5870e22e2fc1977482685fab89821e"
    }
  },
  "jurisdiction": "US",
  "operatorName": "SEA ROBIN PIPELINE CO"
}
```