CENTURION PIPELINE L.P.

Incident Narrative

ON JUNE 10, 2019, AT APPROXIMATELY 9:30 AM, A MEMBER OF THE PUBLIC REPORTED A RELEASE TO CENTURION PIPELINE COMPANY L.P. (CPL) ON A RIGHT OF WAY NEAR BLAIR, OKLAHOMA, IN JACKSON COUNTY, OKLAHOMA. CPL SHUT DOWN THE PIPELINE AT 9:39 AM AFTER CONFIRMING THE RELEASE. APPROXIMATELY 4201 BARRELS OF CRUDE OIL WERE RELEASED. 1897 BARRELS OF OIL WERE RECOVERED WITH 1741 BARRELS BEING RECOVERED IN LIQUID FORM WHILE 156 BARRELS IN SOIL HAVE BEEN MOVED TO AN OFFSITE LOCATION FOR REMEDIATION. NO INJURIES, FATALITIES, OR FIRES WERE ASSOCIATED WITH THIS ACCIDENT. THE INITIAL NATIONAL RESPONSE CENTER (NRC) REPORT NUMBER CONCERNING THIS ACCIDENT IS 1248387. THE 48 HOUR FOLLOW UP CALL MADE TO THE NRC ON JUNE 12, 2019 HAS A REFERENCE NUMBER OF 1248615. THE ROOT CAUSE ANALYSIS OF THE FAILURE HAS DETERMINED THAT A THIRD PARTY ROAD GRADER STRUCK THE LINE LEADING TO LOSS OF CONTAINMENT. THE PIPELINE HAS BEEN REPAIRED WITH A PLIDCO SPLIT + SLEEVE, A COMMERCIALLY AVAILABLE BOLT ON SPLIT SLEEVE REPAIR, AND RESTARTED THE PIPELINE AT 8:20 AM ON JUNE 12, 2019. ENVIRONMENTAL REMEDIATION IS STILL UNDERWAY AND A SUPPLEMENTAL REPORT WILL BE COMPLETED ONCE REMEDIATION COSTS HAVE BEEN DETERMINED. SUPPLEMENTAL FINAL REPORT SUBMITTED OCTOBER 10, 2019 PERMANENT REPAIRS TO THE PIPELINE WERE COMPLETED JULY 24, 2019. APPROXIMATELY 20 FEET OF PIPE WAS REPLACED WITH NEW API 5L, PS2L, X52 SPECIFICATION PIPE. REMEDIATION EFFORTS WERE COMPLETED SEPTEMBER 23, 2019. PART D, ITEM 8 HAS BEEN UPDATED TO INCLUDE THE FINAL REMEDIATION ESTIMATE AS WELL AS THE COST OF THE PERMANENT REPAIR.