EXPLORER PIPELINE CO

Incident Narrative

ON MARCH 21, 2017 A RELEASE OF 9.2 BARRELS OF FUEL OIL OCCURRED FROM AN MEI PROVER AT THE GREENVILLE TANK FARM IN HUNT COUNTY, TEXAS. THE RELEASE WAS TOTALLY CONTAINED ON TERMINAL PROPERTY, AND WAS IMMEDIATELY CLEANED-UP TO STATE REQUIREMENTS. EXPLORER PERSONNEL ASSOCIATED WITH THE PROJECT WERE IMMEDIATELY POST-INCIDENT DRUG AND ALCOHOL TESTED. ALL THE POST-INCIDENT TESTS WERE NEGATIVE. PERSONNEL ADDITIONALLY RECEIVED RE-TRAINING FROM AN EXPLORER OPERATOR QUALIFICATION EVALUATOR, PROCEDURES WERE REVIEWED, AS WELL AS THE MANUFACTURER OF THE PROVER WAS CONSULTED. THE RELEASE WAS CAUSED DURING A MAINTENANCE FUNCTION TO REPLACE A PROVER BALL. THE PERSONNEL INVOLVED WITH THE MAINTENANCE TASK WERE PROPERLY OPERATOR QUALIFIED FOR THE TASK. THE PROVER WAS ISOLATED FROM THE STATION PIPING AND PIPELINE, LOTOED, AND THE PROVER WAS DRAINED. THE PROVER TATTLE TALE WAS ALSO OPENED TO CONFIRM NO PRESSURE. WHEN THE PROVER DOOR CLAM SHELL WAS LOOSENED PRODUCT BEGAN TO RELEASE FROM THE DOOR. APPROPRIATE EMERGENCY ACTIONS WERE IMMEDIATE TAKEN. THE PROVER WAS ISOLATED FROM THE STATION PIPING AND MAINLINE PIPELINE, BUT THE PRESSURE IN THE REPORT WAS LISTED AT 14.7 FOR ATMOSPHERIC PRESSURE. THE EXPLORER INVESTIGATION INDICATED THE PROVER WAS NOT ADEQUATELY DRAINED PER THE PROCEDURES. THE INVESTIGATION ADDITIONALLY INDICATED THAT THE TATTLE TALE ON THE PROVER DOOR MALFUNCTIONED, AND THE MANUFACTURER WAS CONSULTED. STEPS HAVE BEEN TAKEN TO ADDRESS THE TATTLE TALE MALFUNCTION AT GREENVILLE, AND REVIEWED SYSTEM-WIDE.