TALLGRASS PONY EXPRESS PIPELINE, LLC

hazardous_liquid Incident — — November 13, 2021

Incident Information

Incident DateNovember 13, 2021
OperatorTALLGRASS PONY EXPRESS PIPELINE, LLC
CommodityCRUDE OIL
Pipeline Typehazardous_liquid

Location

State
Coordinates42.23263, -104.68775

Cause

CauseEQUIPMENT FAILURE
SubcauseDEFECTIVE OR LOOSE TUBING OR FITTING

Casualties

Fatalities0
Injuries0

Costs

Property Damage$150
Emergency Response$250
Other Costs$0

Location Map

Incident Narrative

AT 19:30 LOCAL TIME (MST), A LOW-LEVEL EXPLOSIVE LIMIT (LEL) ALARM WAS RECEIVED BY THE OPERATIONS CONTROL CENTER WHICH INITIATED A CALLOUT FROM OCC TO FIELD PERSONNEL TO INVESTIGATE. TECHNICIANS WERE DISPATCHED TO THE LOCATION, CONFIRMED THE ALARM, VENTED THE BUILDING UNTIL IT WAS SAFE TO ENTER, AND INSPECTED THE PREMISES TO DETERMINE THE SOURCE OF THE ALARM. THE TECHNICIANS DISCOVERED OIL LEAKING FROM THE SAMPLER SKID, WHICH WAS FLOWING ALONG THE FLOOR OF THE BUILDING DOWN-GRADIENT TO THE SUMP, WHERE ALL RELEASED PRODUCT WAS COLLECTED AND RECOVERED. ALL PRODUCT RELEASED WAS CONFINED TO THE BUILDING. THE TECHNICIANS DETERMINED THAT THE SOURCE OF THE LEAK WAS AN IMPROPER SEAL OF THE STAINLESS STEEL TUBING IN A COMPRESSION FITTING ON THE SAMPLER SKID. THE FAILED COMPRESSION FITTING AND TUBING WERE REPLACED AND ALL OTHER LIKE FITTINGS ON THE SKID WERE INSPECTED FOR PROPER SEAL.

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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