"ONEOK NGL PIPELINE, LLC"

hazardous_liquid Incident — — August 19, 2012

Incident Information

Incident DateAugust 19, 2012
Operator"ONEOK NGL PIPELINE, LLC"
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates36.17115, -97.43226

Cause

CauseEQUIPMENT FAILURE
SubcauseTHREADED CONNECTION/COUPLING FAILURE

Casualties

Fatalities0
Injuries0

Costs

Property Damage$925
Emergency Response$50
Other Costs$0

Location Map

Incident Narrative

"ONEOK ORLANDO PUMP STATION SHUTDOWN DUE TO GAS DETECT ALARM. STATION WAS ISOLATED FROM PIPELINE. ONEOK PIPELINE CONTROL CENTER CALLED FIELD REP TO INVESTIGATE SHUTDOWN. ONEOK FIELD REP ARRIVED ON LOCATION AT APPROXIMATELY 22:30 AND DISCOVERED A 1"" PIPE NIPPLE ON PUMP HEADER HAD CRACKED AND WAS LEAKING VAPORS. PUMP HEADER WAS DEPRESSURED AND NIPPLE WAS REPLACED. PUMP STATION WAS RESTARTED. INVESTIGATION DETERMINED VIBRATION FROM CONTROL VALVE ON HEADER MAY HAVE LEAD TO NIPPLE FAILURE. CONTROL VALVE WAS REPROGRAMMED AND VIBRATION WAS ELIMINATED."

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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