BP PIPELINE (NORTH AMERICA) INC.

Incident Narrative

AT APPROXIMATELY 06:45 ON MONDAY SEPTEMBER 19TH, A MAGELLAN PIPELINE OPERATOR AT DRUMRIGHT STATION CONTACTED BP'S LOCAL TECHNICIAN NOTIFYING HIM THAT THERE MAY BE A POSSIBLE RELEASE FROM THE BP PIPELINE FACILITIES. DRUMRIGHT STATION IS A MANNED MAGELLAN PIPELINE FACILITY THROUGH WHICH BP'S #1 CRUDE SYSTEM TRAVERSES AND HAS SEVERAL PUMPS. THE LOCAL BP TECHNICIAN CONTACTED BP'S TULSA CONTROL CENTER AND THE PIPELINE WAS SHUT DOWN IMMEDIATELY. THE BP TECHNICIAN ARRIVED ONSITE AT APPROXIMATELY AT 07:30 AND CONFIRMED THE RELEASE. AN ESTIMATED 22 BARRELS OF CRUDE OIL WAS RELEASED. THE RELEASED CRUDE WAS REMOVED AND THE SUB-GRADE SOURCE IDENTIFIED VIA HYDRO-VACUUMING. THE SOURCE OF THE RELEASE WAS DETERMINED TO BE A BLOCK VALVE FLANGE. THE VALVE WAS INSTALLED IN THE 1950'S. THE VALVE INCORPORATED RING JOINT FLANGES WHILE THE CONNECTING PIPING FLANGES WERE RAISED FACE. THE GASKET CONNECTING THE VALVE TO THE PIPE WAS FOUND TO NOT BE OF A CURRENTLY APPROVED DESIGN FOR JOINING THE TWO FLANGE TYPES . ADDITIONALLY, SOME OF THE BOLTS ON THE LEAKING FLANGE WERE FOUND TO BE LOOSE. THE FLANGE SURFACES AND GASKET WERE INSPECTED, THE GASKET REPLACED WITH ONE SUITABLE FOR THE INSTALLATION, THE ASSEMBLY APPROPRIATELY TORQUED, AND THE LINE RESTARTED. THE OTHER VALVES IN THE AREA WERE EXCAVATED AND THEIR FLANGED CONNECTIONS CHECKED FOR TO ENSURE THEY WERE APPROPRIATELY TORQUED. PLEASE NOTE DUE TO PHMSA WEBSITE ERROR A DRAFT WAS SUBMITTED AS AN ORIGINAL ON 10/18/16 THIS REPORT SHOULD SERVE AS THE ORIGINAL.