MARKWEST JAVELINA PIPELINE COMPANY, LLC

gas_transmission Incident — — April 28, 2015

Incident Information

Incident DateApril 28, 2015
OperatorMARKWEST JAVELINA PIPELINE COMPANY, LLC
CommodityHYDROGEN GAS
Pipeline Typegas_transmission

Location

State
Coordinates27.80906, -97.49562

Cause

CauseEQUIPMENT FAILURE
SubcauseNON-THREADED CONNECTION FAILURE

Casualties

Fatalities0
Injuries0

Costs

Property Damage$1,450,000
Emergency Response$0
Other Costs$0

Location Map

Incident Narrative

AN IN-LINE INSPECTION OF THE HYDROGEN PIPELINE WAS BEING CONDUCTED AND PRIOR TO THE LAST RUN OF THE IN-LINE INSPECTION TOOL (MFL), HYDROGEN GAS WAS RELEASED AND IGNITED FROM A BLIND FLANGE CONNECTION FAILURE ON A TEMPORARY SEPARATOR FILTER INSTALLED AT THE RECEIVER SITE. THE FIRE WAS IMMEDIATELY IDENTIFIED BY ON-SITE PERSONNEL. THERE WERE NO INJURIES SUSTAINED AS A RESULT OF THE INCIDENT. THE PIPELINE SECTION WAS ISOLATED AND DE-PRESSURED TO THE FACILITY FLARE. LOCAL EMERGENCY RESPONDERS WERE DISPATCHED AND CONTAINED/EXTINGUISHED THE FIRE. THE FIRE AFFECTED THE STATION PIPING AND EQUIPMENT IN THE SURROUNDING AREA. REPAIRS AND/OR REPLACEMENT OF AFFECTED PIPING AND EQUIPMENT WERE COMPLETED AND RE-COMMISSIONED.

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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