UGI ENERGY SERVICES

gas_transmission Incident —

Incident Information

Report Date
OperatorUGI ENERGY SERVICES
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates40.83935, -80.70768

Cause

CauseEQUIPMENT FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

THE INCIDENT TOOK PLACE AT FARMER BROTHERS METERING AND REGULATING STATION BEGINNING AT 20:41 ON MARCH 25, 2024. AT THE FACILITY, NATURAL GAS NORMALLY FLOWS THROUGH A FILTER SEPARATOR WHERE ANY LIQUIDS FLOWING THROUGH THE SEPARATOR GO TO A SUMP. WHEN THE SUMP LEVEL EXCEEDS A CERTAIN THRESHOLD, THE CONTROLLER ACTUATES THE CONTROL VALVE TO THE OPEN POSITION TO RELEASE LIQUIDS TO A WASTE TANK. THE CONTROL VALVE'S MECHANICAL LEVEL CONTROLLER FAILED TO REVERT POSITION ONCE THE LIQUID LEVEL IN THE SUMP HAD DROPPED BELOW THE DESIGN THRESHOLD. GAS FLOWED FROM THE SEPARATOR THROUGH A 2"" NPS PIPE INTO A WASTE TANK AND THEN ENTERED THE ATMOSPHERE THROUGH THE TANK BLOWOFF VALVES UNTIL THE AFTERNOON OF MARCH 26, 2024 AT 14:45 WHEN THE INCIDENT WAS DISCOVERED. UPON ARRIVAL AT THE FACILITY, PERSONNEL IMMEDIATELY SHUT THE MANUAL VALVE TO THE LIQUIDS TANK WHICH CEASED EMISSIONS OF NATURAL GAS TO THE ATMOSPHERE AT 15:07 ON MARCH 26, 2024. THE CONTROLLER ON THE CONTROL VALVE WAS FOUND TO BE MISALIGNED BECAUSE THE SPRING TENSION WAS TOO HIGH, NOT ALLOWING THE VALVE TO CLOSE. THE VALVE'S CONTROLLER WAS IMMEDIATELY RECALIBRATED, RESET, AND TESTED TO ENSURE FUNCTIONALITY.

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.

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