ROSE ROCK MIDSTREAM L.P.

Incident Narrative

AT 12:55 ON 1/24/2017, THE AERIAL PATROL PILOT NOTIFIED THE MAINTENANCE SUPERVISOR BY TEXTING HIM AND SENDING HIM AN AERIAL PICTURE OF A POSSIBLE LEAK ON THE HANSTON TO HUDSON 8"". THE CONTROL CENTER WAS NOTIFIED AND THE CONTROLLER SHUT DOWN THE PIPELINE AT 12:58. THE CONTROL CENTER INITIATED A LOCKOUT / TAGOUT OF THE PIPELINE SEGMENT IN SCADA. AT 13:15, THE MAINTENANCE SUPERVISOR ARRIVED ONSITE AND CONFIRMED THE LEAK. THE MAINTENANCE SUPERVISOR SENT A PIPELINE OPERATIONS EMPLOYEE TO SHUT IN THE PIPELINE AT THE KAUFMAN JUNCTION VALVE SITE. THE MAINTENANCE SUPERVISOR NOTIFIED THE DISTRICT MANAGER OF THE LEAK AT 13:32 AND PROCEEDED TO CONTACT THE EXCAVATOR REQUESTING THEY INITIATE A ONE-CALL TICKET TO BEGIN REPAIRS. THE DISTRICT MANAGER MADE NOTIFICATION TO KDHE AT 14:11. EXCAVATION BEGAN AT 16:00 ON 1/24, BUT DIGGING WAS HALTED DUE TO DARKNESS. REPAIR WORK CONTINUED AT 7:30 ON 1/25/17. A NIPPLE AND COMPOSITE SLEEVE WERE INSTALLED FOR THE REPAIR. THE PIPELINE WAS BROUGHT BACK INTO SERVICE ON 1/25/2017 AT 11:46. NINE (9) YARDS OF CONTAMINATED SOIL WAS REMOVED FROM THE DIG SITE AND WILL BE LAND FARMED. CLEAN SOIL WAS BROUGHT IN TO FILL THE EXCAVATION SITE. AN ILI WAS RAN ON THIS PIPELINE SEGMENT JULY, 2016. THE FINAL RESULTS OF THE TOOL RUN HAVE NOT BEEN RECEIVED FROM THE VENDOR. UPON REVIEW OF THE FINAL REPORT, ADDITIONAL FINDINGS WILL BE ADDED TO THIS REPORT. ROSE ROCK IS CURRENTLY HAVING TWO AERIAL PATROLS PER WEEK ON THIS PIPELINE SINCE JULY 2016. WE WILL CONTINUE WITH TWICE A WEEK AERIAL PATROLS UNTIL FINAL ILI REPORTS ARE PROVIDED. UPDATE 3/1/2018 - ROOT CAUSE WAS DETERMINED TO BE INTERNAL CORROSION AND THE LEAK WAS REPAIRED BY INSTALLING A COMPOSITE SLEEVE. THE ILI IDENTIFIED THIS LOCATION AS NEEDING REPAIR, BUT RESULTS HAD NOT BEEN RECEIVED AT THE TIME OF THE LEAK. ALL NOTED REQUIRED REPAIRS FROM THE ILI RESULTS HAVE BEEN MADE ACCORDING TO REQUIREMENTS OF THE INTEGRITY MANAGEMENT PROGRAM.