ENTERPRISE PRODUCTS OPERATING LLC

Incident Narrative

ON 09/12/2011 AT 13:45 THE BEAUMONT TERMINAL OPERATIONS SUPERVISOR RECEIVED A CALL FROM A BEAUMONT AREA PIPELINE TECHNICIAN REPORTING A POSSIBLE LEAK ON ONE OF THE FIVE PIPELINES THAT CONNECT MOTIVA PAR TO THE ENTERPRISE NPA REFINED PRODUCT TERMINAL. THE ENTERPRISE PIPELINE TECHNICIAN REPORTED TO THE BEAUMONT TERMINAL OPERATION SUPERVISOR THAT A VALERO PIPELINE TECHNICIAN HAD SPOTTED AN AREA OF BROWN GRASS AND COULD SMELL HYDRO CARBON ODOR AT THE LOCATION. THE BEAUMONT TERMINAL OPERATIONS SUPERVISOR REPORTED THE POSSIBLE LEAK TO THE BEAUMONT AREA MANAGER AND AN INVESTIGATION GOT UNDER WAY. UPON ARRIVING AT THE REPORTED SITE THE BEAUMONT AREA OPERATIONS TEAM DISCOVERED GASOLINE PRODUCT JUST UNDER THE GROUND SERVICE IN THE P108, P109, P110, P, 111 AND P112 PIPELINES RIGHT OF WAY. SAMPLES WERE TAKEN TO THE ENTERPRISE NPA LAB AND TESTED, THE PRODUCT ANALYSIS TO CONCLUDED THAT THE GRAVITY AND N POINT MATCH THAT OF THE PRODUCT BEING DELIVERED FROM MOTIVA PAR TO ENTERPRISE NPA TERMINAL ON THE P109 (GASOLINE #2). THE GASOLINE #2 PIPELINE WAS NOT DELIVERING AT THE TIME OF THE REPORT BECAUSE THE SCHEDULED DELIVERY WAS BETWEEN BATCHES. BOTH OF THE GASOLINE PIPELINES FROM MOTIVA PAR TO ENTERPRISE NPA WERE ISOLATED. AND A PRESSURE TEST WAS PERFORMED BY INTRODUCING A 60 PSI NITROGEN SUPPLY TO EACH LINE THEN MONITORING THE PRESSURE FOR 45 MINUTES. THE PRESSURE CONTINUED TO DECREASE ON THE P109 PIPELINE WHILE PRESSURE HELD STEADY ON THE P108 LINE. BECAUSE OF THE PRESSURE DECREASE AND THE FACT THAT THE GRAVITY OF THE PRODUCT IN P109 MATCH TO THE PRODUCT RECOVERED AT THE LEAK SITE BEAUMONT OPERATIONS CONCLUDED THAT THE LEAK IS ON THE P109 GASOLINE #2 PIPELINE. AT THIS POINT THE CONTROL CENTER WAS NOTIFIED THAT THE GASOLINE #1 LINE COULD BE RETURNED TO SERVICE BUT THE GASOLINE #2 LINE WILL REMAIN UNDER LOCK OUT TAG OUT UNTIL REPAIRS ARE COMPLETE AN INVESTIGATION DIG AT THE SITE WAS DONE AND THE LEAK WAS LOCATED ON 09/14/2011 AT 1511 HRS. ON 09/15/2011 INSTALLATION OF A REPAIR CLAMP WAS COMPLETE AS A TEMPORARY REPAIR AND THE PIPELINE WAS RETURNED TO SERVICE WHILE OPERATIONS MADE PREPARATIONS TO MAKE REPAIRS BY CUTTING OUT A SECTION OF PIPE AND REPLACING IT ON 09/28/2011.