ONEOK NGL PIPELINE, LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorONEOK NGL PIPELINE, LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates47.67247, -104.17808

Cause

CauseEQUIPMENT FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

AT 19:59 ON 2/17/2017 ONEOK PIPELINE CONTROL RECEIVED A GAS DETECTION ALARM AT ONEOK'S RIVERVIEW PUMP STATION. LOCAL OPERATIONS PERSONNEL WERE IMMEDIATELY DISPATCHED TO THE LOCATION. UPON ARRIVAL, ONEOK PERSONNEL IDENTIFIED VAPORS ESCAPING FROM THE #3 PUMP AT THE STATION. THE PUMP STATION WAS SHUT DOWN AND THE #3 PUMP WAS ISOLATED AND DE-PRESSURED. ONCE DE-PRESSURED, THE #3 PUMP WAS REMOVED FROM SERVICE AND THE PUMP STATION WAS RETURNED TO NORMAL SERVICE. ONEOK PERSONNEL INVESTIGATING THE RELEASE, IDENTIFIED THE MANUFACTURE'S CONNECTION OF THE PUMP BALANCE LINE HAD DEVELOPED A CRACK WHERE IT ATTACHED TO THE PUMP CASE.

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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