PVR MARCELLUS GAS GATHERING, LLC
gas_transmission Incident — — May 5, 2013
Incident Information
| Incident Date | May 5, 2013 |
| Operator | PVR MARCELLUS GAS GATHERING, LLC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 41.32713, -77.26595 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
AT APPROXIMATELY 10:00 AM ON MAY 5, 2013, PVR DISCOVERED A PRESSURE RELIEF VALVE RELIEVING NATURAL GAS INTO THE ATMOSPHERE. PVR PERSONNEL RESPONDED BY ISOLATING THE VALVE AND MAKING THE APPROPRIATE INTERNAL NOTIFICATIONS. PVR'S ENGINEERING MANAGER CALCULATED THE RELEASE VOLUME AT APPROXIMATELY 26.53 MMCF. AT NO TIME WAS THE PUBLIC, THE ENVIRONMENT, OR PVR EMPLOYEES IN ANY DANGER AS THE NATURAL GAS BEING RELEASED QUICKLY DISSIPATED INTO THE ATMOSPHERE. PVR NOTIFIED THE NRC (PETTY OFFICER HARDY ' CASE # 1046086) AT 11:47 AM AND PROVIDED AN UPDATED VOLUME AT 5:22 PM (PETTY OFFICER LAYMAN). A REVIEW OF THE OPERATIONAL DATA CONFIRMED THAT THE RELIEF VALVE ACTIVATED BEFORE REACHING ITS SET POINT. THE AFFECTED VALVE WAS REMOVED AND A THIRD PARTY FAILURE INVESTIGATION COMPLETED.
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.