"HOLLY ENERGY PARTNERS - OPERATING, L.P."

Incident Narrative

"AT 11:40 CST ON NOVEMBER 19, 2024, A PIPELINE TECHNICIAN WITH HOLLY ENERGY WAS NOTIFIED BY A LINE LOCATOR WITH ANOTHER PIPELINE OPERATOR OF A SUSPECTED LEAK NEAR SWEETWATER, TEXAS. THE PIPELINE TECHNICIAN ARRIVED ON SITE AT 12:00 CST, AND SEVEN MINUTES LATER THE ARTESIA CONTROL CENTER INITIATED A PIPELINE SHUTDOWN. FIELD TEAMS WERE DEPLOYED TO SECURE THE AREA. AS PART OF THE INITIAL RESPONSE, SCADA DATA WAS REVIEWED FOR PRESSURE DROPS AND FLOW ANOMALIES, AND A WALKDOWN OF ADJACENT RIGHT-OF-WAYS WAS CONDUCTED TO RULE OUT OTHER POSSIBLE SOURCES. NO WORK ACTIVITIES WERE UNDERWAY IN THE AREA, AND THERE WERE NO SIGNS OF RECENT GROUND DISTURBANCE NEAR THE RELEASE SITE. UPON CONFIRMATION OF THE LEAK AT 14:15 CST, REGULATORY NOTIFICATIONS WERE MADE. THE NATIONAL RESPONSE CENTER (NRC, REPORT #1416839) WAS CONTACTED AT 15:01, FOLLOWED BY THE TEXAS RAILROAD COMMISSION (RRC) AT 15:10, BOTH WITHIN THE REQUIRED TIMEFRAMES. THE TEXAS COMMISSION ON ENVIRONMENTAL QUALITY (TCEQ) WAS NOTIFIED LATER THE SAME DAY AT 16:44. HOLLY ENERGY ACTIVATED ITS OIL SPILL REMOVAL ORGANIZATION (OSRO) AT 14:30 CST. LOCAL EMERGENCY RESPONSE AGENCIES WERE NOTIFIED, THOUGH NO ASSISTANCE WAS ULTIMATELY REQUIRED FROM LOCAL RESPONDERS. BLACKLAND SERVICES, OUR PRIMARY LOCAL CONTRACTOR, MOBILIZED VACUUM TRUCKS, AN EXCAVATOR, AND A LIGHT PLANT FOR NIGHT OPERATIONS. HF SINCLAIR