ONEOK NGL PIPELINE, LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorONEOK NGL PIPELINE, LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.85406, -94.89299

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 15:37 ON 1/21/2017 THE ONEOK TULSA PIPELINE CONTROL CENTER (PCC) RECEIVED PRIORITY 1 GAS DETECTOR ALARM AND STATION LOCK-OUT AT ONEOK MONT BELVIEU STORAGE (OMBS) (SITE 460) IN MONT BELVIEU, TEXAS. OMBS CONTROL CENTER WAS NOTIFIED AND INITIATED THE RESPONSE TO THE SITE. ONEOK NGL PIPELINE FIELD PERSONNEL WERE DISPATCHED TO THE SITE. ONCE ONSITE IT WAS REPORTED THAT A SMALL VAPOR CLOUD WAS VISIBLE FROM THE STERLING 1, (PUMP 601) PUMP SEAL. THE ONEOK FIELD PERSONNEL AND THE OMBS OPERATIONS TEAM ISOLATED THE PUMP SUCTION BLOCK VALVE TO PUMP 601 AND BEGAN BLOWING DOWN THE PUMP CASE TO STOP THE RELEASE. ONCE ISOLATED AND BLOWN DOWN THE PUMP SEAL WAS REMOVED AND REPLACED AFTER WHICH THE PUMP WAS RETURNED TO SERVICE. ONEOK INVESTIGATION DETERMINED THE SEAL FAILED DUE TO NORMAL WEAR AND TEAR.

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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