MARKWEST LIBERTY ETHANE PIPELINE, L.L.C.
hazardous_liquid Incident — — May 19, 2022
Incident Information
| Incident Date | May 19, 2022 |
| Operator | MARKWEST LIBERTY ETHANE PIPELINE, L.L.C. |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 40.26492, -80.26016 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | NON-THREADED CONNECTION FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $500 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
07:28 HOUSTON REPORTED A LEAK AND REQUESTED THE LINE SHUT-IN. 07:28 RICH MOORE WAS CONTACTED BY TONY DAMI 07:29 CONTROL VALVE WAS CLOSED 07:30 OPS ARRIVES ON SITE 07:33 MANUAL BLOCK VALVE WAS CLOSED AND DEPRESSURIZED TO FLARE 10:15 GASKET IS CHANGED AND LEAK CHECKED 11:07 NOTIFIED ETP READY FOR FLOW, THEY WILL CALL BACK WITH RATE 12:08 ETP/MARINER EAST AT FULL RATE BACK IN SERVICE ALL ACTIVITY OCCURRED ON MAY 19TH. THE LEAK WAS CAUSED DUE TO A FAILED GASKET THAT WAS DISCOVERED TO HAVE A CRACK. THE FAILED GASKET WAS A PHENOLIC RING, AND WAS REPLACED WITH A NEW STEEL CORED GASKET.
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.