"ONEOK NGL PIPELINE, LLC"

hazardous_liquid Incident — — September 23, 2017

Incident Information

Incident DateSeptember 23, 2017
Operator"ONEOK NGL PIPELINE, LLC"
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates33.73041, -96.44329

Cause

CauseEQUIPMENT FAILURE
SubcauseDEFECTIVE OR LOOSE TUBING OR FITTING

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

"ONEOK PIPELINE CONTROL CENTER RECEIVED A GAS DETECT ALARM AT THE ONEOK RED RIVER PUMP STATION AT APPROXIMATELY 3:03 AM ON SEPTEMBER 23RD, 2017. THE PUMP STATION SHUTDOWN ONCE THE GAS DETECT ACTIVATED. PIPELINE CONTROL CONTACTED THE LOCAL AREA REPRESENTATIVE AND DISPATCHED HIM TO THE SITE. UPON ARRIVAL THE ONEOK EMPLOYEE IDENTIFIED AN ICE BALL ON THE SIDE OF SOME 1/2"" STAINLESS STEEL TUBING USED AS A SEAL FLUSH LINE ON THE PUMP. THE TUBING WAS ISOLATED AND REMOVED AND REPLACED WITH NEW TUBING. ONCE THE ICE BALL HAD THAWED IT WAS DETERMINED THE TUBING WALL HAD CRACKED ON THE SIDE OF A BEND. TUBING HAD BEEN IN PLACE SINCE THE PUMP STATION HAD BEEN COMMISSIONED (2007). ALL OF THE STAINLESS STEEL TUBING IN THE PUMP STATION AND NO OTHER INDICATIONS OF CRACKS WERE IDENTIFIED. ONCE THE TUBING HAD BEEN REPLACES AND THE GAS DETECTION ALARMS WERE RESET THE STATION WAS RETURNED TO NORMAL OPERATION. UPDATED 10/20/2017 - CORRECTED HCA TYPE TO - UNSUALLY SENSITIVE AREA(USA) - ECOLOGICAL"

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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