"ONEOK NGL PIPELINE, LLC"

hazardous_liquid Incident — — October 22, 2021

Incident Information

Incident DateOctober 22, 2021
Operator"ONEOK NGL PIPELINE, LLC"
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates41.65220, -88.03076

Cause

CauseOTHER OUTSIDE FORCE DAMAGE
SubcauseOTHER OUTSIDE FORCE DAMAGE

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

HYDROVAC OPERATOR STRUCK A 1/4 INCH NIPPLE COMING OFF OF A 1 INCH RELIEF VALVE TREE WITH A HYDROVAC HOSE BREAKING THE NIPPLE AT THE THREADS. THIS CAUSED A RELEASE OF APPROXIMATELY 8 GALLONS OF ISOBUTANE IN A SMALL VAPOR CLOUD WITH NO PRODUCT IMPACTING THE GROUND. THE ROOT VALVE WAS CLOSED ISOLATING THE RELEASE.

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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