ROSE ROCK MIDSTREAM L.P.

Incident Narrative

AT 1735 HRS OPERATIONS RECEIVED A CALL FROM THE CONTROL CENTER THAT A LANDOWNER HAD NOTICED CRUDE OIL ON THE GROUND. THE CONTROL CENTER SHUTDOWN HUDSON STATION AT 1735 HRS AND CONTACTED OPERATIONS. OPERATING PIPELINE PRESSURE WAS 65 PSIG. FIELD OPERATIONS ARRIVED ON SITE AT 1750 HRS AND CLOSED THE PENALOSA BLOCK VALVE MILE POST 10 AT 1755. TANK TRUCKS ARRIVED ON SITE AT 1900 HRS TO RECOVER THE OIL. EXCAVATION AND REPAIRS BEGAN AT 1915 HRS. A REPAIR CLAMP WAS INSTALLED AND WORK WAS COMPLETED AT 2015 HRS. PIPELINE REMAINED SHUTDOWN. ON 2/17, THE CONTRACTOR WELDED A TYPE B FULL ENCIRCLEMENT SLEEVE ON THE LEAK LOCATION. WORK WAS COMPLETED AT 1330 HRS. ON 2/18, WELDS WERE MAG PARTICLE TESTED AND INSPECTED. THE PIPELINE WAS BROUGHT BACK INTO SERVICE AT 0730 HRS. CONTRACTOR BACKFILLED AND SPREAD SOIL TO 12 IN. THICKNESS TO LAND FARM AS PER KDHE. NO SOIL WAS REMOVED. APPROXIMATELY 8 YDS OF SOIL WAS AFFECTED BY THE LEAK. ENVIROCLEAN SOIL REMEDIATION PRODUCT WAS SPRAYED ON THE GROUND AND CONTINUES TO BE LAND FARMED. THE ROOT CAUSE OF THE LEAK IS LAMINAR FLOW CONDITIONS. ACCIDENT INVESTIGATION WORK PLAN INCLUDES THE FOLLOWING ACTION ITEMS: SCHEDULE CLEANING PIG FOR 2/22/16. ROSEN TOOL SCHEDULED FOR APRIL 19 - APRIL 21. TOOLS INCLUDE A GEOMETRY AND PASSAGE ANALYSIS AND A HI RESOLUTION METAL LOSS INSPECTION. REQUEST EXPEDITED PRELIMINARY ILI REPORT FROM ROSEN. INCREASE AIR PATROL TO 3X PER WEEK: MONDAY, WEDNESDAY AND FRIDAY. BEGIN TREATING TRUCK UNLOADING TANKS WITH INHIBITOR PRIOR TO CRUDE OIL ENTERING PIPELINE. REVIEW LOCATION OF CHEMICAL INJECTION POINTS ON THE PIPELINE AND COUPON PLACEMENT.