ONEOK NGL PIPELINE LP

hazardous_liquid Incident — — December 8, 2011

Incident Information

Incident DateDecember 8, 2011
OperatorONEOK NGL PIPELINE LP
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates36.41306, -99.19361

Cause

CauseEXCAVATION DAMAGE
SubcauseEXCAVATION DAMAGE BY THIRD PARTY

Casualties

Fatalities0
Injuries0

Costs

Property Damage$15,085
Emergency Response$1,500
Other Costs$0

Location Map

Incident Narrative

ONEOK PRODUCT MOVEMENT CENTER RECEIVED CALL FROM WOODWARD FIRE DEPARTMENT THAT A BACKHOE HAD HIT AND RUPTURED ONEOK'S PIPELINE 1 MILE EAST AND 1.5 MILE SOUTH OF MOORELAND,OK. DCP MOORELAND INJECTION PLANT WAS SHUTDOWN ONEOK FIELD PERSONNEL WERE DISPATCHED TO LOCATION AND CLOSED VALVES TO ISOLATE THE RELEASE. PRODUCT VAPORED OFF TO ATMOSPHERE. DAMAGED PIPE WAS REMOVED FROM PIPELINE AND PRETESTED PIPE WAS INSTALLED IN PIPELINE. PIPELINE WAS PURGED WITH PRODUCT AND RESTARTED. PIPELINE PERSONNEL HAD PREVIOUSLY MET EXCAVATOR ONSITE AND MARKED PIPELINE LOCATION. OPERATOR AND EXCAVATOR SCHEDULED A TIME FOR OPERATOR PERSONNEL TO BE ON SITE DURING EXCAVATION, (12/09/2011). A ""NO DIG"" AREA WAS DEFINED ON EITHER SIDE OF OPERATORS PIPELINE. THIRD PARTY CONTRACTOR EMPLOYEE BEGAN EXCAVATION PRIOR TO SCHEDULED MEETING TIME AND DID NOT RESPECT PIPELINE MARKINGS.

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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