TESORO HIGH PLAINS PIPELINE COMPANY LLC
hazardous_liquid Incident — — January 19, 2016
Incident Information
| Incident Date | January 19, 2016 |
| Operator | TESORO HIGH PLAINS PIPELINE COMPANY LLC |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 47.86055, -103.93250 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | THREADED CONNECTION/COUPLING FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $2,500 |
| Emergency Response | $5,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON JANUARY 19TH, 2016 AT 1535 CT A 1 1/4"" X 3/4 REDUCING NIPPE FROM THE PIPELINE TO PRESSURE TRANSMITTER CRACKED AT CARTWRIGHT STATION, SPRAYING 1 BARREL OF CRUDE OIL TO THE GROUND. THE SOIL WAS REMOVED FOR DISPOSAL. THE REPAIRS WERE MADE BY REPLACING THE NIPPLE AND ELBOW TO THE PRESSURE TRANSMITTER. AN INVESTIGATION HAS BEEN INITIATED. UPDATE: THE LAB REPORT CONCLUDED THAT THE FAILURE WAS DUE TO FATIGUE MOST LIKELY ASSOCIATED WITH MECHANICAL VIBRATION OF THE ABOVE GROUND STATION PIPING. APPROXIMATELY .3 CUBIC YARDS OF CONTAMINATED SOIL WAS REMOVED FROM THE SITE. THE PRESSURE INDICATOR DID NOT SUBMIT AN ALARM TO THE CONTROL ROOM BECAUSE OF THE PLC PROGRAMING IN THE FIELD HAD BEEN MISCONFIGURED DURING RECENT MODIFICATIONS. THE PLC PROGRAMING WAS IMMEDIATELY CORRECTED. CORRECTED TIMES TO REFLECT CORRECT TIME ZONE.
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.