DAPL-ETCO OPERATIONS MANAGEMENT, LLC
hazardous_liquid Incident — — March 5, 2017
Incident Information
| Incident Date | March 5, 2017 |
| Operator | DAPL-ETCO OPERATIONS MANAGEMENT, LLC |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 47.08691, -101.91138 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | NON-THREADED CONNECTION FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $500 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON 3/5/17 CONTRACT EMPLOYEES IDENTIFIED A SMALL RELEASE AT NORTH DAKOTA LAUNCHER/RECIEVER 1 STATION. THE RELEASE WAS DETERMINED TO BE FROM A 2"" BALL VALVE UTILIZED TO CONNECT A WATER TRAP TO THE FACILITY PIPING. UPSTREAM AND DOWNSTREAM VALVES WERE CLOSED TO ISOLATE THE STATION. REMEDIAL ACTION WAS TAKEN TO CLEAN UP THE RELEASE. THE VALVE WAS A 2"" BALON BALL VALVE WHICH WAS REMOVED AND SENT FOR 3RD PARTY FAILURE ANALYSIS. ANALYSIS INDICATED THAT IT WAS A MANUFACTURING DEFECT WHICH CAUSED THE FAILURE OF AN O-RING WITHIN THE BALL VALVE. ALL OTHER 2"" BALON BALL VALVES IN THE DAPL SYSTEM HAVE BEEN INSPECTED FOR SIMILAR CONDITIONS OF WHICH NONE WERE DISCOVERED.
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.