CONOCOPHILLIPS
hazardous_liquid Incident — — September 24, 2011
Incident Information
| Incident Date | September 24, 2011 |
| Operator | CONOCOPHILLIPS |
| Commodity | REFINED AND/OR PETROLEUM PRODUCT (NON-HVL) WHICH IS A LIQUID |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 44.66545, -106.90290 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $2,000 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
AT APPROXIMATELY 08:50 ON 9-24-2011 THE OP-COORD CALLED THE ON CALL OPERATOR AT SHERIDAN TO REPORT THE SUMP LEVEL WAS GOING UP AND HAD BEEN EVER SINCE HE STARTED THE UNITS. THE OPERATOR TOLD THE OP-COORD TO SHUT DOWN THE UNITS AND THAT HE WAS ON HIS WAY TO THE STATION. AFTER ARRIVAL AND AN INITIAL INVESTIGATION, HE FOUND THE GROUND WET AROUND THE UNITS. THE OP-COORD WAS CALLED AND TOLD TO DNI THE UNITS. ADDITIONAL CHECKS FOUND THE THERMAL RELIEF VALVE ON UNIT 2 WAS FLOWING. 2 BALL VALVES WERE CLOSED TO ISOLATE THE RELIEF VALVE AND STOP THE FLOW. IT APPEARS THE FLOW BACKED UP THE STUFFING BOX DRAINS ON UNIT 1 WHICH ALLOWED THE RELEASE. AFTER REPAIRS WERE MADE THE PIPELINE WAS RE-STARTED AT 12:30. UPDATED PER BLAINE KEENER E-MAIL DUE TO CHANGES IN PHMSA REPORTING FORM. UPDATED REPORT DUE TO E SECTION BEING MARKED AS AN UNREGULATED PIPELINE. THIS IS A REGUALTED PIPELINE SYSTEM. T.TULLIO
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.