TC OIL PIPELINE OPERATIONS INC
hazardous_liquid Incident — — October 20, 2018
Incident Information
| Incident Date | October 20, 2018 |
| Operator | TC OIL PIPELINE OPERATIONS INC |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 35.92585, -96.75938 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | FAILURE OF EQUIPMENT BODY (EXCEPT PUMP), TANK PLATE, OR OTHER MATERIAL |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $1,100,000 |
| Emergency Response | $200,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
A CREW INSPECTING THE TANK AREA IDENTIFIED A SMALL AMOUNT OF CRUDE OIL (ESTIMATED AT 2-3 GALLONS) ON THE CONCRETE RING WALL OF TANK 9. TANK 9 WAS ISOLATED AND PRODUCT REMOVED. THE KEYSTONE PIPELINE SYSTEM HAS A SCADA SYSTEM AND CPM LEAK DETECTION SYSTEM. ALL TANKS AT THE CUSHING TANK TERMINAL INCLUDING TANK 9 HAVE A LEAK DETECTION SYSTEM IN ACCORDANCE WITH API 650. CLEAN-UP, PRODUCT RECOVERY, AND VALUE OF LOST PRODUCT WAS EXPECTED TO EXCEED THE REPORTING THRESHOLD OF $50,000.00 AS DEFINED IN PART 195.52 BY OCTOBER 23, 2018. THERE WAS NO IMPACT TO WATER. A ROOT CAUSE FAILURE ANALYSIS HAS BEEN INITIATED. 26 APRIL 2019 UPDATE: THE ROOT CAUSE FAILURE ANALYSIS AND METALLURGICAL REPORT HAVE BEEN RECEIVED AND SUBMITTED TO PHMSA AID. REPAIRS TO THE TANK HAVE BEEN COMPLETED UNDER WARRANTY AND THE TANK IS OPERATIONAL. 6 MAY 2019 UPDATE: THE PRIMARY CAUSE OF THE LEAK WAS A COMPLETE LACK OF FUSION DEFECT IN A FULL FILLET OF A TANK BOTTOM LAP JOINT THAT OCCURRED WHEN THE MECHANIZED WELDER TRAVELLED OFF TRACK.
About This Pipeline Incident
Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.