ONEOK GAS TRANSPORTATION, LLC

Incident Narrative

AT APPROXIMATELY 12:30 PM ON 9/5/2019 A LANDOWNER'S EMPLOYEE OPERATING A DOZER WITHOUT A ONE CALL TICKET STRUCK A 12 INCH NATURAL GAS PIPELINE NEAR THE TOWN OF HEALDTON IN CARTER COUNTY. ONEOK WAS NOTIFIED BY A THIRD PARTY CALL TO OUR CONTROL CENTER AT APPROXIMATELY 12:15 PM WHICH MATCHED WHAT THEY WERE SEEING IN SCADA. ONEOK PIPELINE CONTROL CENTER DISPATCHED LOCAL FIELD OPERATORS TO THE LOCATION AND SET UP AN EMERGENCY BRIDGE CALL FOR THE INCIDENT. FIELD OPERATIONS PERSONNEL ARRIVE ON LOCATION AT APPROXIMATELY 13:00 HOURS AND CONFIRMED THE RELEASE WAS ON THE ONEOK PIPELINE. FIELD PERSONNEL BEGAN TO ISOLATED THE DAMAGED AREA AND WORKED TO REROUTE GAS TO MAINTAIN SERVICE TO LOCAL COMMUNITIES. AT APPROXIMATELY 14:30 HOURS THE DAMAGE SECTION OF THE ONEOK Q PIPELINE WAS ISOLATED. ONCE GAS WAS REMOVED FROM THE PIPELINE FIELD PERSONNEL REMOVED THE DAMAGED SECTION OF PIPE AND NEW PRE-TESTED PIPE WAS INSTALLED. THE PIPELINE WAS RETURNED TO NORMAL OPERATIONS AT APPROXIMATELY 02:00 ON 9/06/2019. LOCAL ONEOK OPERATIONS MANAGEMENT MET WITH THE LANDOWNER'S EMPLOYEE TO DISCUSS THE IMPORTANCE OF CALLING OKLAHOMA ONE-CALL WHENEVER CONDUCTING ANY EXCAVATIONS. ONEOK ALSO VERIFIED THE LANDOWNER IS IN THE CURRENT ONEOK PUBLIC AWARENESS DATABASE. ONEOK HAS ALSO VERIFIED THE PIPELINE IS CLEARLY IDENTIFIED WITH PIPELINE MARKER SIGNS.