DCP MIDSTREAM
hazardous_liquid Incident — — July 24, 2018
Incident Information
| Incident Date | July 24, 2018 |
| Operator | DCP MIDSTREAM |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 30.98902, -101.07870 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | NON-THREADED CONNECTION FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $75,000 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON 7/24 A DCP EMPLOYEE NOTICED A RELEASE AT A VALVE ASSEMBLY WHILE PREPARING FOR AN UPCOMING ILI TOOL RUN. THE RELEASE WAS TEMPORARILY REPAIRED WITH A PRESSURE CONTACTING CLAMP UNTIL THE PERMANENT REPAIR WAS SCHEDULED. ON 7/26 IT WAS NOTICED THAT THE TEMPORARY REPAIR WAS LEAKING, AND AT THIS TIME THE CREW WITH EQUIPMENT WAS IN ROUTE TO PERFORM THE PERMANENT REPAIR. 7/29 THE FLANGE AND GASKET WERE REPLACED AND THE REPAIR WAS COMPLETE. THIS SEGMENT, WHERE THIS VALVE ASSEMBLY IS LOCATED, HAS TWO OUTLETS AND DELIVERIES ARE MADE CONCURRENTLY , IT IS BELIEVED THAT DUE TO THE FLUCTUATION OF VOLUME AND PRESSURE THE GASKET WAS EXPOSED TO GREATER EXPANSIONS AND CONTRACTIONS. AS A PREVENTATIVE MEASURE ON THIS LATERAL THE OPERATION TECHNICIANS WILL CONDUCT ADDITIONAL TESTING AROUND THE FLANGES DURING THE DOT CHECKS AT THE VALVE"
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.