WYOMING PIPELINE COMPANY
hazardous_liquid Incident — — March 6, 2019
Incident Information
| Incident Date | March 6, 2019 |
| Operator | WYOMING PIPELINE COMPANY |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 43.82592, -104.32507 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | THREADED CONNECTION/COUPLING FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $1,000 |
| Emergency Response | $20,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
AT APPROXIMATELY 23:00 P.M. ON WEDNESDAY, MARCH 6, 2019, THE OPERATIONS CONTROL CENTER NOTICED A DEFICIENCY IN THE VOLUME OF OIL BETWEEN THE MUSH CREEK PUMPING STATION AND THE REFINERY. THE ON-CALL PIPELINE PERSON WAS CALLED TO INVESTIGATE. WHILE CHECKING FOR LEAKS, HE NOTICED THAT A PIPE NIPPLE USED TO CONNECT A PRESSURE TRANSMITTER TO THE PIPELINE HAD BROKEN OFF THE PIPE AT BUTTE JUNCTION. THE PIPELINE WAS THEN SHUT DOWN. CLEAN-UP STARTED THE NEXT MORNING AROUND 6:00 A.M. VACUUM TRUCKS WERE USED TO CLEAN UP FREE STANDING LIQUIDS AND A BACKHOE WAS USED TO COLLECT CONTAMINATED SNOW. CONTAMINATED SNOW AND SOIL WAS BE PLACED IN A PLASTIC LINED BERMED .. SOIL WILL BE SAMPLED AND DISPOSED OF ACCORDINGLY. EXPANSION/VIBRATION LOOPS WERE INSTALLED BETWEEN THE MAINLINE AND PRESSURE TRANSMITTED TO ELIMINATE VIBRATION.
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.