KEYERA ENERGY, INC.

Incident Narrative

ON 12/20/2022 AT APPROXIMATELY 11:45 AM, A CONTRACT WORKER IDENTIFIED A SMALL CRUDE OIL LEAK (ESTIMATED 11 GALLONS) AT BREAKOUT TANK 215 ON WILDHORSE TERMINAL PROPERTY. THE WORKER IMMEDIATELY REPORTED THE LEAK TO THE CONTROL ROOM. AN OPERATOR WAS DISPATCHED TO TANK 215 AND CONFIRMED THE LEAK, REPORTED TO CONTROL ROOM AND CONFIRMED SOURCE OF THE LEAK WAS A FAILED SEAL ON A TANK MIXER AT 12:00 PM. TERMINAL SUPERINTENDENT WAS NOTIFIED AT 12:07 PM AND PROVIDED DIRECTION TO CONTAIN LEAK (DRIP PAN) AND START CLEANUP. LEAKAGE WAS CONTAINED TO AN IMMEDIATE AREA BELOW MIXER AND GRAVEL AT TANK 215. IMPACTED MATERIAL WAS REMOVED AND TAKEN FOR PROPER WASTE DISPOSAL ON THE DAY OF DISCOVERY AND FOLLOWED UP WITH PRESSURE WASH FOR CONCRETE TANK BASE ON 12/21/202. THE FAILED MIXER SEAL WAS REPAIRED AND RETURNED TO SERVICE. NO PIPELINE OR FACILITY SHUTDOWN WAS REQUIRED DURING THIS ACCIDENT. INVESTIGATION: AS A PART OF THE INVESTIGATION, WE ENGAGED THE OEM TO CONDUCT AN INITIAL INSPECTION AND TO DISASSEMBLE AND REASSEMBLE THE MIXER HOUSINGS, BEARING AND SEALS. IMPORTANTLY THE WORK INCLUDED A CAREFUL EXAMINATION TO DETERMINE WHAT COULD HAVE CAUSED THE FAILURE. THE OEM'S TECHNICIANS WERE UNABLE TO DETERMINE WHAT CAUSED THE BEARING/SEAL FAILURE. ROOT CAUSE UNDETERMINED BASED ON ANALYSIS BY OEM.