ONEOK NGL PIPELINE LP

hazardous_liquid Incident — — April 29, 2011

Incident Information

Incident DateApril 29, 2011
OperatorONEOK NGL PIPELINE LP
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates31.50653, -95.44006

Cause

CauseEQUIPMENT FAILURE
SubcauseNON-THREADED CONNECTION FAILURE

Casualties

Fatalities0
Injuries0

Costs

Property Damage$125
Emergency Response$0
Other Costs$0

Location Map

Incident Narrative

LANDOWNER NOTIFIED ONEOK PIPELINE CONTROL TO REPORT VAPORS COMING FROM A FLANGE ON THE GRAPELAND LAUNCHER SCRAPER TRAP. ONEOK EMPLOYEE WAS NEARBY AND RESPONDED TO LOCATION AND VERIFIED VAPORS BEING RELEASED FROM THE SCRAPER TRAP ENCLOSURE DOOR. THE ENCLOSURE WAS ISOLATED AND BYPASSED. IT WAS DETERMINED THAT AN O-RING MATERIAL FAILURE OCCURED. O-RING WAS REPLACED AND SYSTEM WAS RETURNED TO NORMAL OPERATION.

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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