PANTHER OPERATING COMPANY, LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorPANTHER OPERATING COMPANY, LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.20100, -89.03333

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

ON THURSDAY APRIL 4, 2024, AT APPROXIMATELY 10:45 AM WHILE CONDUCTING THE MPOG INTEGRITY TEST A HOSE THREAD FAILED RELEASING LESS THAN 1 GALLON OF CRUDE INTO THE WATER. WHILE FOLLOWING THE PROCEDURES FOR THE MPOG INTEGRITY TEST, THE PIG TRAP PER THE PROCEDURES HAD TO BE DRAINED OF ALL LIQUIDS. THERE WAS A TEMPORARY HOSE CONNECTION TO THE PIG TRAP DRAIN. THE HOSE CONNECTED TO A TANK ON A BARGE. THE DISTANCE BETWEEN THE BARGE PLACEMENT AND THE PIG TRAP WAS TO LONG FOR ONE HOSE. TWO HOSES WERE CONNECTED VIA HAMMER UNION THREADED CONNECTIONS. THIS CONNECTION SPANNED MARSH WATER UNDER THE PLATFORM. DURING THE DRAINING PROCESS, THE THREAD CONNECTION SHOWED SIGNS OF A LEAK. WHEN THE HAMMER UNION WAS HAMMERED BACK (TIGHTENED) THE THREAD CONNECTION FAILED RELEASING LESS THAN 1 GALLON OF CRUDE INTO THE WATER. ALL OPERATIONS WERE SHUT DOWN IMMEDIATELY AND THE CRUDE ON THE WATER WAS IMMEDIATELY CLEANED UP VIA BOOM AND ABSORBENT PADS. A CALL WAS PLACED TO THE NRC AT 11:19 ON 4/4/24 (NRC# 1395572). THE HOSES WERE REPLACED, AND ALL CONNECTIONS WERE CHECKED BEFORE OPERATION OF THE INTEGRITY TEST CONTINUED.

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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