DOUBLE H

Incident Narrative

AT 2:52AM LOCAL TIME, MDT, THE CONTROL CENTER RECEIVED A PUMP SEAL POT LEAK ALARM FROM PUMP P1440 AT THE BIDDLE PUMP STATION. THE PUMP WAS AUTOMATICALLY SHUT DOWN AT THE TIME OF THE ALARM AND THE STATION BYPASSED. AN OPERATOR WAS DISPATCHED TO INVESTIGATE THE SITE AND ARRIVED ONSITE AND CONFIRMED A RELEASE OF LESS THAN 1 GALLON CONTAINED ON THE PUMP SKID AT 5:24AM LOCAL TIME. THE INVESTIGATION INCLUDED: CLEANING THE PUMP DRAIN LINE, INSPECTING THE EQUIPMENT, AND STARTING THE PUMP TO OBSERVE THE RATE OF PRODUCT LEAKING FROM THE PUMP SEAL INTO THE PUMP SEAL POT. THE PUMP WAS RESTARTED AT 6:10AM LOCAL TIME BUT IMMEDIATELY EXPERIENCED ANOTHER PUMP LEAK ALARM AND SHUT DOWN THE PUMP STATION AUTOMATICALLY. AT THIS TIME THE ENTIRE LINE WAS SHUTDOWN. THIS LEAK RELEASED APPROXIMATELY 17 GALLONS OF CRUDE OIL ON THE PUMP SKID AND SURROUNDING GRAVEL. THE OPERATOR LOCKED OUT THE PUMP, DISABLING ITS USE. THE CONTAMINATED GRAVEL WAS COLLECTED FOR TREATMENT AND DISPOSAL. THE PUMP WAS CLEANED AND THOROUGHLY ASSESSED. A FAILED PUMP SEAL WAS FOUND TO BE THE CAUSE OF RELEASE. THE SEAL WAS TRANSPORTED TO A THIRD PARTY FOR FAILURE ANALYSIS. THE PIPELINE WAS RESTARTED AT 12:01PM AFTER THE ALTERNATIVE PUMP AT BIDDLE PUMP STATION (NAMED P1430) WAS CONFIRMED TO HAVE NO ISSUES. AN INTERNAL INVESTIGATION HAS BEGUN AND IS ONGOING. A SUPPLEMENTAL REPORT WILL BE PROVIDED. 9/9/20 UPDATE - A METALLURGICAL ANALYSIS SHOWED THE FAILED SEAL WAS MADE FROM MATERIAL THAT WAS NOT COMPATIBLE WITH THE PRODUCT BEING TRANSPORTED. THE SEAL WAS REPLACED WITH THE APPROPRIATE MODEL FOR CRUDE OIL SERVICE.