ENTERPRISE CRUDE PIPELINE LLC

Incident Narrative

ON 01-15-2015, AT 13:50 DURING A ROUTINE AERIAL PATROL, THE PILOT, CONTRACTED BY ENTERPRISE PRODUCTS, DISCOVERED A STAIN ON ENTERPRISE'S RIGHT-OF-WAY IN CLOSE PROXIMITY TO THE C-20 PIPELINE (KADANE TO CLARA) IN THE RED RIVER GATHERING SYSTEM. AT 14:40, ENTERPRISE PERSONNEL WERE IMMEDIATELY DISPATCHED TO VERIFY THE AERIAL DISCOVERY AND PIPELINE CONTROL SHUTDOWN THE PIPELINE. THE LEAK OCCURRED IN A RURAL, NON-HCA LOCATION IN WICHITA COUNTY, TEXAS. THERE WAS AN APPROXIMATE RELEASE OF 25 BARRELS OF CRUDE OIL AND A CREW WAS DISPATCHED THE SAME DAY FOR REMEDIATION EFFORTS, ALL FREE OIL REMAINED IN PIPELINE RIGHT-OF-WAY AND WAS CLEANED UP IMMEDIATELY. AN EMERGENCY ONE CALL WAS MADE IN ORDER TO EXCAVATE AND BEGIN THE INVESTIGATION INTO THE CAUSE OF THE RELEASE. THE LEAK WAS CLAMPED USING A PLIDCO SPLIT+SLEEVE AND PUT BACK IN SERVICE. THE CAUSE OF THE LEAK IS TO BE DETERMINED. A PLAN HAS BEEN SET TO REPLACE THE PIPE AND SEND THE CUTOUT TO A THIRD PARTY LAB FOR METALLURGICAL ANALYSIS. ONCE THE METALLURGICAL ANALYSIS RESULTS COME IN, THIS ACCIDENT REPORT WILL BE UPDATED AND CLOSED OUT. UPDATE (9/29/2017): METALLURGICAL ANALYSIS RECEIVED ON SEPTEMBER 13, 2017. BASED ON THE ANALYSIS THE LEAK WAS A RESULT OF INTERNAL CORROSION AT APPROXIMATELY THE 6 O'CLOCK POSITION. ALL MECHANICAL AND CHEMICAL PROPERTIES ARE TYPICAL OF HF-ERW PIPE MANUFACTURED IN ACCORDANCE TO API 5L PSL-2. ADDITIONALLY, THE STRENGTH AND TOUGHNESS OF THE PIPE WERE SUFFICIENT FOR THE REQUIRED SERVICE CONDITIONS AT THE TIME OF THE FAILURE/LEAK. PLIDCO SPLIT+SLEEVE WAS REMOVED AND NEW PIPE WAS INSTALLED AND RETURNED TO SERVICE.