ONEOK WESTEX TRANSMISSION, LLC

Incident Narrative

ONEOK WESTEX TRANSMISSION RECEIVED A CALL FROM A THIRD PARTY EXCAVATOR AT APPROXIMATELY 1400 HOURS ON APRIL 2, 2013 THAT THE THIRD PARTY HAD HIT THE 4100-000 NATURAL GAS PIPELINE AT APPROXIMATELY 1250 HOURS. THE THIRD PARTY WAS UTILIZING A TRENCHER ALONG CR-2 NEAR THE INTERSECTION OF FM-33 ABOUT 10 MILES SOUTH OF BIG SPRING, TEXAS. ONEOK IMMEDIATELY DISPATCHED PERSONNEL TO HEAD TOWARDS THE SITE AND ARRIVED ONSITE AT 1450 HOURS. THE TRENCHER WAS STILL ON THE PIPELINE WITH BLOWING NATURAL GAS. ONEOK PERSONNEL ONSITE CONFIRMED THE PIPELINE THAT WAS STRUCK WAS THE ONEOK PIPELINE 4100-000. THE INCIDENT WAS REPORTED TO THE NATIONAL RESPONSE CENTER AT 1528 HOURS ON APRIL 2, 2013 UNDER INCIDENT NUMBER 1042744. THE RAILROAD COMMISSION OF TEXAS WAS NOTIFIED OF THE INCIDENT AT 1533 HOURS ON APRIL 2, 2013. THE INCIDENT SITE WAS ISOLATED AND BLOWN DOWN IN ORDER TO REPAIR THE DAMAGE VIA PIPE REPLACEMENT. THERE WAS NO FIRE, NO INJURIES, NO DEATHS, NO MEDIA, AND NO LAW ENFORCEMENT OR FIRE DEPARTMENT ON SITE. THE PIPELINE WAS REPAIRED AND RETURNED TO SERVICE AS OF 2000 HOURS ON APRIL 3, 2013. THERE WERE FOUR CUSTOMERS IMPACTED BY THE INCIDENT. A ONECALL TICKET WAS NOT CALLED IN BY THE THIRD PARTY PRIOR TO TRENCHING.