DAPL-ETCO OPERATIONS MANAGEMENT, LLC
hazardous_liquid Incident — — January 19, 2018
Incident Information
| Incident Date | January 19, 2018 |
| Operator | DAPL-ETCO OPERATIONS MANAGEMENT, LLC |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 37.21392, -88.86762 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | NON-THREADED CONNECTION FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $868 |
| Emergency Response | $240 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON 1/19/2018 AT APPROXIMATELY 13:30, OPERATIONS PERSONNEL WERE CONDUCTING A ROUTINE VALVE SITE INSPECTION AND SECURITY CHECK AT MLV IL 102B. DURING THE INSPECTION A RELEASE OF APPROXIMATELY 13.35 BBLS WAS DISCOVERED TO BE COMING FROM A LEAKING FLOWSERVE WORCHESTER 1/2"" BALL VALVE ON THE VALVE BODY BLEED PIPING. THE CONTROL CENTER WAS IMMEDIATELY NOTIFIED AND THE LINE WAS SHUTDOWN. AFTER SHUTDOWN, MLV IL 102 B WAS REMOTELY CLOSED AND VALVE BODY PRESSURE WAS REDUCED THROUGH THE BLEED PIPING. REMEDIAL ACTIONS TAKEN WERE RECOVERY OF ALL FREE PRODUCT AND REMOVAL OF CONTAMINATED GRAVEL AND SOIL FOR PROPER DISPOSAL. THE 1/2"" BALL VALVE WAS REMOVED AND REPLACED AND MLV IL 102B WAS OPENED AND THE LINE RESTARTED. OTHER MLV'S WITH THE SAME DESIGN CONTAINING THE 1/2"" FLOWSERVE WORCHESTER BALL VALVES WERE INSPECTED FOR THE SIMILAR CONDITION OF WHICH NONE WERE DISCOVERED. IT WAS DETERMINED THAT THE VALVE SEAL FAILED DUE TO FREEZE EXPANSION OF RESIDUAL WATER TRAPPED IN THE VALVE BODY.
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.