ENERGY TRANSFER COMPANY

gas_transmission Incident —

Incident Information

Report Date
OperatorENERGY TRANSFER COMPANY
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates31.78644, -103.06139

Cause

CauseCORROSION FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON JUNE 2, 2022, THERE WAS A NATURAL GAS RELEASE ON THE 99991001 WTG BOOSTER 10IN TX-WINKLER_BLK B5 SUR 3,8,13,14,17,24, A TYPE C GATHERING LINE LOCATED 4.5 MILES SOUTH OF KERMIT, TX IN WINKLER COUNTY. THE LINE SEPARATED AND RELEASED 1,667 THOUSAND CUBIC FEET OF NATURAL GAS DUE TO A PIPE FAILURE FROM A DEFECT DUE TO INTERNAL CORROSION. ON JUNE 14, 2022, IT WAS DETERMINED THAT THE DAMAGE AND REPAIRS WAS GOING TO EXCEED THE $129,300.00 REPORTING CRITERIA. THIS EVENT WAS REPORTED TO THE NRC # AND TRRC # 2000 FEET OF PIPE WILL BE REPLACED WITH NEW PIPE AND TO PREVENT THIS FROM OCCURRING IN THE FUTURE, OPERATIONS WILL HAVE MEASUREMENT CONDUCT MONTHLY CHECKS ON THE THREE MONITORS FEEDING THE SYSTEM AND LOWER THE PPM HIGH AND HIGH HIGH ALARM SET POINTS. THE AFFECTED PORTION OF THE PIPE WAS SENT TO THE LAB, WAITING FOR RESULTS. A SUPPLEMENTAL REPORT WILL BE SUBMITTED WITH LAB RESULT FINDINGS. ON JULY 9, 2022, THE PIPELINE REPLACEMENT WAS COMPLETE AND AT 12:00 THE PIPELINE WAS PUT BACK IN SERVICE. ON NOVEMBER 2, 2022, THE RESULTS OF THE LAB METALLURGICAL ANALYSIS INDICATED SIGNIFICANT WALL LOSS DUE TO INTERNAL CORROSION. THE RESULTS OF THE METALLURGICAL ANALYSIS INDICATE THAT THE RUPTURE INITIATED IN THE PIPE BODY AT THE 12:00 ORIENTATION AND TRAVERSED THROUGH THE PIPE FOR 70-IN BEFORE ARRESTING. SIGNIFICANT WALL LOSS FROM INTERNAL CORROSION WAS OBSERVED IN THE TOP HALF OF THE PIPE DUE TO AN UPSET WITH THE PRODUCERS WHICH ALLOWED OXYGEN IN THE PIPE WHICH CREATED THE INTERNAL CORROSION. THE FAILURE WAS NOT ASSOCIATED WITH THE LONGITUDINAL SEAM. TO PREVENT THIS FROM OCCURRING IN THE FUTURE, OPERATIONS WILL BEGIN PIGGING THIS LINE TWICE A WEEK TO BETTER DISPERSE INJECTED CORROSION INHIBITOR AND ENSURE LINE IS CLEAN. OXYGEN SENSORS HAVE ALSO BEEN INSTALLED ON THIS LINE TO CLOSELY MONITOR THE OXYGEN CONTENT OF GAS STREAM. ADDITIONALLY, OUR CHEMICAL COMPANY HAS BEEN INSTRUCTED TO CHECK INSTALLED COUPONS FOR CHEMICAL RESIDUE QUARTERLY AND PERFORM BACTERIA TESTS AND MAKE NECESSARY ADJUSTMENTS AS NEEDED TO THE ONGOING CHEMICAL TREATMENT INJECTION PROGRAM. THIS SYSTEM HAS ALSO BEEN BUDGETED FOR AN ILI INSPECTION FOR 2023.

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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