CONOCOPHILLIPS
hazardous_liquid Incident — — March 3, 2011
Incident Information
| Incident Date | March 3, 2011 |
| Operator | CONOCOPHILLIPS |
| Commodity | REFINED AND/OR PETROLEUM PRODUCT (NON-HVL) WHICH IS A LIQUID |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 45.79417, -108.47889 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | THREADED CONNECTION/COUPLING FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $3,500 |
| Emergency Response | $0 |
| Other Costs | $2,500 |
Location Map
Incident Narrative
AT 6:30 AM WHILE PERFORMING MORNING STATION CHECKS AT THE BILLINGS SEMINOE PUMP STATION, THE OPERATOR DISCOVERED PRODUCT SPRAYING FROM A 1/2"" X 1"" SCH 160 SWEDGE ASSOCIATED WITH A THERMAL RELIEF VALVE ON THE MAINLINE. HE NOTIFIED THE CONTROL CENTER AND HAD THEM SHUTDOWN THE PIPELINE. AN ESTIMATED 2 BBLS OF DIESEL GAS MIX WAS RELEASED TO THE GROUND. NO PRODUCT LEFT THE BOUNDARIES OF THE PUMP STATION. FREE STANDING PRODUCT HAS BEEN REMOVED WITH A VAC TRUCK AND CONTAMINATED SOIL WAS PLACED IN A ROLL-OFF BOX. FIFTY GALLONS OF PRODUCT WAS RECOVERED. THE PIPELINE WAS SAFELY RETURNED TO SERVICE. INITIAL INVESTIGATION OF THE FITTING REVEALED A CRACK WHERE IT WAS THREADED IN TO A TEE FITTING. 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.