EPIC CONSOLIDATED OPERATIONS, LLC

Incident Narrative

DURING NORMAL OPERATIONS A COMPANY EMPLOYEE AT THE LINE 100 GARDENDALE PUMP STATION DISCOVERED A 1 INCH SCHEDULE 80 PIPE NIPPLE FAILED AT THE THREADED CONNECTION TO A VALVE. THE VALVE AND NIPPLE WERE PART OF A CORROSION COUPON ASSEMBLY LOCATED ON THE FACILITY PIPING. THE EMPLOYEE IMMEDIATELY TOOK ACTION TO ISOLATION THE SEGMENT OF ABOVEGROUND PIPING AND MINIMIZE THE IMPACT OF THE RELEASE. A TOTAL OF 63.81 BARRELS OF CRUDE OIL WAS RELEASED. THE RELEASE WAS CONFINED TO EPIC PROPERTY WITH THE EXCEPTION OF A FINE MIST THAT CARRIED OVER TO AN ADJACENT OIL AND GAS OPERATOR FACILITY WITH INSIGNIFICANT IMPACT. EPIC EMPLOYEES ALONG WITH CONTRACTORS ONSITE WERE ABLE TO QUICKLY BERM THE LOCATION AND ISOLATE THE SPILL. AFTER ISOLATION, THE ASSEMBLY WAS INSPECTED, THE FAILED NIPPLE WAS REPLACED AND THE SEGMENT WAS RETURNED TO SERVICE. THE FAILED NIPPLE WAS SENT TO A 3RD PARTY LAB FOR METALLURGICAL ANALYSIS TO DETERMINE THE ROOT CAUSE OF THE FAILURE. A SUPPLEMENTAL REPORT WILL BE SUBMITTED WHEN THE METALLURGICAL ANALYSIS AND INVESTIGATION IS FINALIZED. 04/19/2023 UPDATE - ROOT CAUSE INVESTIGATION WAS COMPLETED ON 04/13/2023. METALLURGICAL ANALYSIS DETERMINED FAILURE WAS DUE TO AN EXISTING MECHANICAL DEFECT FROM/PRIOR TO THE NIPPLE INSTALLATION PROPAGATED OVER TIME DUE TO OPERATING CONDITIONS (VIBRATIONS AND/OR PRESSURE CYCLING).