CONOCOPHILLIPS
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | CONOCOPHILLIPS |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 29.71478, -95.17611 |
Cause
| Cause | OTHER ACCIDENT CAUSE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
TANK 1501 WAS FOUND LEAKING PRODUCT FROM THE ROOF WATER DRAW VALVE. INITIALLY, IT WAS THOUGH THE ROOF HAD A PINHOLE LEAKING PRODUCT ON TOP OF IT. THE WATER DRAW VALVE WAS CLOSED AND THE LEAK STOPPED. UPON FURTHER INVESTIGATION, NO FURTHER PRODUCT WAS FOUND ON TOP OF THE ROOF. THE ORIGINATION OF THE LEAK WAS FOUND TO BE AROUND ONE OF THE LEGS OF THE EFR. PRODUCT SLOWLY PROPAGATED ONTO THE TOP OF THE EXTERNAL FLOATING ROOF OF THE TANK AND MIGRATED DOWN THE ROOF DRAIN INTO THE DIKE AREA WHERE IT WAS DISCOVERED. AIR WAS LEFT IN THE SYSTEM AFTER A MAINTENANCE ACTIVITY, NOT BECAUSE OF OPERATOR ERROR, BUT BECAUSE OF THE PIPING DESIGN. AIR WAS TRAPPED THAT WAS IMPOSSIBLE TO BLEED OFF. THEREFORE, AN OPERATING PROCEDURE WAS DEVELOPED TO ACCOUNT FOR THE TRAPPED AIR AND TAKE IT TO A NON-FLOATING ROOF TANK SO PRODUCT WILL NOT ESCAPE ON TO THE ROOF. UPDATED PER BLAINE KEENER E-MAIL DUE TO CHANGES IN PHMSA REPORTING FORM.
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.