MARATHON PIPE LINE LLC
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | MARATHON PIPE LINE LLC |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 30.01177, -90.85770 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
A TECHNICIAN FOUND OIL HAD LEAKED OUT THE ENCLOSURE DOOR OF A STRAINER DURING A ROUTINE FACILITY INSPECTION. THREE STRAINERS AT ST. JAMES CAPLINE WENT THROUGH ANNUAL PREVENTATIVE MAINTENANCE ON THURSDAY JANUARY 16, 2015. WHILE CLEANING THE STRAINERS, A TECHNICIAN FOUND THE O-RINGS PROTRUDED OVER THE LIP OF THE GROOVE AND WAS CRUSHED FLAT. THE O-RING SIZE COULD NOT BE CONFIRMED DUE TO DAMAGE AND AGE. MANUFACTURER SPECIFICATIONS WERE UNKNOWN AT THE TIME. BASED ON FIELD MEASUREMENTS IT WAS DETERMINED THAT THE O-RINGS NEEDED TO BE 1/4 INCH AND A 1/4 INCH O-RING WAS INSTALLED ON EACH STRAINER. ON JANUARY 19 A TECHNICIAN FOUND OIL HAD LEAKED OUT OF THE ENCLOSURE DOOR OF STRAINER 212. THIRTY-ONE GALLONS WERE FOUND BELOW THE STRAINER ON THE GROUND. THE MANUFACTURER WAS CONTACTED AND CONFIRMED THAT THE SPECIFICATION WAS FOR A 1/4 INCH O-RING. IT WAS DETERMINED FROM IN-DEPTH MEASUREMENTS THAT THE GROOVE HAD IRREGULARITIES, WHICH WOULD NOT ALLOW THE CORRECT 1/4 INCH O-RING TO SEAL PROPERLY. A STAKEHOLDER CALL WAS PERFORMED TO DETERMINE A PATH FORWARD TO PLACE A 5/16 O-RING TO FILL THE IRREGULARITIES.
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.