DAPL-ETCO OPERATIONS MANAGEMENT, LLC
hazardous_liquid Incident — — June 19, 2017
Incident Information
| Incident Date | June 19, 2017 |
| Operator | DAPL-ETCO OPERATIONS MANAGEMENT, LLC |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 35.93834, -89.30631 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | THREADED CONNECTION/COUPLING FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $15,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
DURING A ROUTINE STATION INSPECTION ON 6/19/2017, OPERATION PERSONNEL DISCOVERED A RELEASE AT THE DYERSBURG PUMP STATION. INVESTIGATION REVEALED THAT APPROXIMATELY 119 BARRELS WERE RELEASED FROM A BROKEN PIPE NIPPLE THREADED CONNECTION ON THE PUMP DISCHARGE TRANSMITTER. THE OIL WAS CONTAINED WITHIN THE PUMP STATION AND RECOVERED VIA VACUUM TRUCK AND REINJECTED INTO THE SYSTEM. VIBRATION FROM THE PUMP AND LACK OF SUPPORT TO THE PIPING CONTRIBUTED TO THE FAILURE OF THE NIPPLE. IT WAS DETERMINED THAT THIS PRESSURE TRANSMITTER AND ASSOCIATED PIPING COULD BE ELIMINATED. THERE IS A REDUNDANT PRESSURE TRANSMITTER JUST DOWNSTREAM THAT WILL BE UTILIZED TO MONITOR DISCHARGE PRESSURE. THIS TRANSMITTER IS LOCATED AT A DISTANCE FROM THE PUMP SUFFICIENT TO AVOID VIBRATION ISSUES. ALL OTHER PUMP STATIONS ON THE ETCOP SYSTEM WERE INSPECTED FOR SIMILAR DESIGN AND WHERE FOUND THE TRANSMITTER AND PIPING WAS ELIMINATED TO AVOID RECURRENCE OF SIMILAR TYPE OF FAILURE.
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.