EXPLORER PIPELINE CO

hazardous_liquid Incident —

Incident Information

Report Date
OperatorEXPLORER PIPELINE CO
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates32.80916, -97.10101

Cause

CauseINCORRECT OPERATION
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON NOVEMBER 5, 2019 AT 10:35 CST AN EXPLORER PIPELINE EMPLOYEE WAS REMOVING 0.25-INCH STAINLESS STEEL TUBING THAT WAS BURIED APPROXIMATELY 18-INCH UNDERGROUND AS PART OF A STATION INTEGRITY IMPROVEMENT PROJECT. THE VALVE AND COMPRESSION FITTING WERE VISIBLE, BUT THEY WERE CONTAINED INSIDE A METAL ENCASEMENT THAT WAS APPROXIMATELY 18 INCHES BELOW GRADE. APPROXIMATELY 4 FEET OF BURIED STAINLESS-STEEL TUBING EXTENDED 90 DEGREES UNDERGROUND FROM THE METAL ENCASEMENT. IN CONJUNCTION WITH INTEGRITY MANAGEMENT FACILITY IMPROVEMENTS, DURING A TUBING REMOVAL PROCESS, FORCE WAS APPLIED TO REMOVE UNDERGROUND STAINLESS-STEEL TUBING AND A CRACK WAS EXPERIENCED IN THE VALVES 0.75 TO 0.25 REDUCER THREADED FITTING. TESTING CONFIRMED THE FITTING WAS SEIZED DUE TO INCORRECT INSTALLATION FROM A PREVIOUS OPERATOR, BUT UNKNOWN TO THE EMPLOYEE. TO AVERT FUTURE POTENTIAL RISKS RELATED TO THIS INCIDENT, EXPLORER PIPELINE IS INCORPORATING TUBING REMOVAL AS AN OPERATOR QUALIFICATION (OQ) COVERED TASKS. A REVISED PROCEDURE IS CURRENTLY UNDERGOING A FINAL REVIEW IN THE MANAGEMENT OF CHANGE (MOC) PROCESS.

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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