"KOCH PIPELINE COMPANY, L.P."
hazardous_liquid Incident — — February 20, 2012
Incident Information
| Incident Date | February 20, 2012 |
| Operator | "KOCH PIPELINE COMPANY, L.P." |
| Commodity | REFINED AND/OR PETROLEUM PRODUCT (NON-HVL) WHICH IS A LIQUID |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 44.75965, -93.03531 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | INTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $50 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
"DURING A STATION CHECK, FACILITY PERSONNEL OBSERVED A MISTING OF DIESEL FUEL FROM UNIT 1 PUMP BEARING COOLING TUBING LINE. UNIT 1 WAS RUNNING UNDER NORMAL PRESSURES AT THE TIME THE RELEASE WAS DISCOVERED. COOLING TUBING LINE HAD BEEN REPLACED 40 DAYS PRIOR TO THE RELEASE. ALL EVIDENCE INDICATES TRANSGRANULAR CRACKING CAUSED BY A COMBINATION OF CHLORIDES AND ELEVATED TEMPERATURE CAUSING THROUGH WALL INTERNAL CORROSION. 316 STAINLESS STEELS ARE SUSCEPTIBLE TO TRANSGRANULAR CHLORIDE STRESS CRACKING AT AMBIENT TEMPERATURES AND AT ACCELERATED RATES ABOVE 150 DEGREES F. BEARING TEMPERATURES AT THIS PUMP HAVE BEEN RECORDED OVER 150 DEGREES F (WHICH IS WITHIN NORMAL TEMPERATURE RANGE) DURING THE TIME PERIOD OF THIS FAILURE. PHOTOMICROGRAPHS OF THE FAILED COMPONENT REVEALED THE PRESENCE OF TRANSGRANULAR CRACKING. SEMI QUANTITATIVE ANALYSIS OF PRODUCT SAMPLE FILTERED DEPOSITS REVEALED THE PRESENCE OF CHLORIDES."
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.