DCP MIDSTREAM

hazardous_liquid Incident —

Incident Information

Report Date
OperatorDCP MIDSTREAM
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates42.88701, -82.49754

Cause

CauseEQUIPMENT FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

THE OPERATORS WERE WITHIN THE FACILITY GROUNDS LOOKING FOR THE CAUSE OF A HYDRATE ISSUE WHEN ONE OF THE OPERATORS IDENTIFIED A RELEASE FROM A TUBING ON THE ETHANE SKID BY THE COALESCER AT 12:59 PM 3/29/2017. THE OPERATOR INSTANTLY NOTIFIED THE CONTROL ROOM OPERATOR TO NOTIFY SUNOCO TO SHUT DOWN. THE AREA WAS ISOLATED AND EVACUATED IMMEDIATELY. NOTIFICATION TO THE LOCAL FIRE DEPARTMENT WAS MADE AND IT WAS INDICATED TO THEM THAT THE ISSUE WAS CONTROLLED AND THEY WERE NOT NEEDED. WITHIN ABOUT 2-3 MINUTES THE AREA WAS SAFE AND THE ISSUE WAS ISOLATED. THE TOTAL TIME THE PRODUCT WAS VENTED FOR 15 MINUTES. THE TUBING WAS FIXED AND AN INVESTIGATION IS BEING CONDUCTED TO IDENTIFY THE CAUSE OF THE FAILURE. THE TUBING WAS 0.5"" IN DIAMETER WITH A PRESSURE OF 1080 PSIG. THE INVESTIGATION INDICATED THE INSTALLER WAS REPLACING SEVERAL PIECES OF TUBING ON THE VESSEL REFURBISHMENT. ON THE CONNECTION THAT FAILED, THE INSTALLER HAD RUN THE NUT UP FINGER TIGHT, BUT DID NOT TIGHTEN THE ADDITIONAL 1 AND 1/4 TURNS TO FLARE THE TUBING AND SET THE FERRULE. AFTER THIS INCIDENT, ALL FITTING CONNECTIONS ON THE VESSEL WERE INSPECTED FOR PROPER INSTALLATION.

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.

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