CHEVRON MIDSTREAM SERVICES LLC

hazardous_liquid Incident — — February 23, 2025

Incident Information

Incident DateFebruary 23, 2025
OperatorCHEVRON MIDSTREAM SERVICES LLC
CommodityCRUDE OIL
Pipeline Typehazardous_liquid

Location

State
Coordinates40.20607, -104.60511

Cause

CauseEQUIPMENT FAILURE
SubcauseNON-THREADED CONNECTION FAILURE

Casualties

Fatalities0
Injuries0

Costs

Property Damage$200,000
Emergency Response$2,500
Other Costs$0

Location Map

Incident Narrative

"THE CAUSE OF THE RELEASE WAS A PIG RECEIVER 6"" BLOCK VALVE, ON THE OUTLET SIDE OF RECEIVER. THIS VALVE LEAKED BETWEEN FLANGES OF BLOCK VALVE BODY, CAUSING RELEASE. THE BODY SEALING O-RING FAILED DUE TO IMPROPER ASSEMBLY AT MANUFACTURER. THE BLOCK VALVE WAS IN SERVICE A TOTAL OF 102 DAYS."

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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