MOBIL CORP
hazardous_liquid Incident — — March 21, 2018
Incident Information
| Incident Date | March 21, 2018 |
| Operator | MOBIL CORP |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 30.05006, -94.07014 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | INTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $15,000 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON MARCH 21, 2018, A PINHOLE LEAK OCCURRED IN A 12"" UNDERGROUND RELIEF LINE OF MR42 (I.E. 24"" SUN TO BEAUMONT CRUDE LINE) LOCATED SE OF BREAKOUT TANK 2210, RESULTING IN 0.4 BBL CRUDE OIL SPILLED TO SOIL. THE SPILL WAS CONTAINED INSIDE THE REFINERY AND WAS PROMPTLY CLEANED UP. THE RELIEF LINE WAS EXCAVATED TO ALLOW FOR TEMPORARY REPAIR OF THE LINE AND DEVELOPMENT OF A PERMANENT REPAIR PLAN. PRELIMINARY INVESTIGATION AND EXTERNAL INSPECTION ON THE RELIEF LINE FOUND NO EVIDENCE OF DAMAGE TO THE EXTERNAL COATING. IT WAS DETERMINED THE PINHOLE LEAK WAS CAUSED BY MICROBIOLOGICAL INDUCED CORROSION (MIC). EXXONMOBIL IS ASSESSING MEANS TO PERIODICALLY FLUSH THE RELIEF LINE TO PREVENT MIC CORROSION. EXXONMOBIL EXPECTS TO HAVE FLUSH PRACTICE IN PLACE BY 4Q18. A CAPITAL PROJECT IS SCHEDULED TO REPLACE THE RELIEF LINE IN 4Q2018 FOR STARTUP IN 1H2019.
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.