CRESTWOOD MIDSTREAM PARTNERS LP

Incident Narrative

AN OPERATOR WAS INSTRUCTED TO SWITCH THE 10K TANKS THAT WERE BEING PULLED FROM FOR SALES TO THE 200K TANK. AS THE OPERATOR WAS COMPLETING THE TASK HE WAS DISTRACTED BY A TRUCK DRIVER REQUIRING ASSISTANCE AT THE UNLOADING AREA. UPON RETURNING TO THE VALVE LINE-UP HE SIMPLY CHANGED THE POSITION OF THE VALVE NOT REALIZING UNTIL AFTER THE EVENT THAT HE OPENED THE VALVE WHEN IN FACT HE WAS SUPPOSED TO BE CLOSING THE #928 TANK VALVE, JUST AS HE HAD ALREADY CLOSED THE TWO OTHER 10K TANK VALVES. THE OPERATOR COMPLETED THE SWITCHING F VALVES AND RETURNED TO THE OPERATING ROOM. APPROXIMATELY TEN MINUTES AFTER HIS RETURN A HIGH LEVEL ALARM WENT OFF AND HE RADIOED ANOTHER OPERATOR TO CHECK THE TANK. THE OPERATOR DISCOVERED THE OVERFLOW AT 07:37. THE OPERATOR CONTACTED HIS SUPERVISOR WHO IN TURN SET U THE EMERGENCY RESPONSE CALLS. APPROXIMATELY 610 BBL.'S OF CRUDE OIL WAS RELEASED INTO SECONDARY CONTAINMENT. ALL LIQUID AND CONTAMINATED SOIL HAVE BEEN REMOVED. CONTRIBUTING FACTORS: 1.) THE OPERATOR WAS DISTRACTED BY A REQUEST FOR ASSISTANCE BY A TRUCK DRIVER AT THE CRUDE OIL UNLOADING RACK. 2.) WHILE AN OPERATOR WAS RE-ALIGNING THE VALVE SET AT THE TANKS, HE WAS DISTRACTED BY A TRUCK DRIVER REQUIRING ASSISTANCE. UPON RETURNING TO THE VALVE SET HE CHANGED THE POSITION OF THE VALVE NOT REALIZING UNTIL AFTER THE EVENT THAT HE OPENED THE VALVE WHEN IN FACT HE WAS SUPPOSED TO BE CLOSING THE VALVE ON TANK #928, JUST AS HE HAD ALREADY CLOSED THE TWO OTHER 10K TANK VALVES.