COX OPERATING LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorCOX OPERATING LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.73750, -93.82319

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 AUGUST 14, 2021 INTERNAL CORROSION CAUSED A PINHOLE LEAK ON COX'S 6"" HL PIPELINE SEGMENT #3495. OPERATORS NOTICED THE THE OIL TANK LEVEL HAD NOT INCREASED AND THE PIPELINE WAS IN PRODUCTION. THEY HAD ALL PRODUCTION SHUT IN AND CLOSED THE VALVES ON BOTH ENDS OF THE PIPELINE. A HELICOPTER WAS THEN UTILIZED TO DETERMINE THAT THERE WAS A SPILL IN THE MARSH ABOUT 4 MILES FROM THE STATION. THE OPERATOR THEN CONTACT THE NRC TO COMPLETE A NOTIFICATION AND CONTACTED FOREFRONT COX'S OSRO. AT 1057 HOURS: LOUISIANA STATE POLICE HAZMAT; MRS. SHANNON; MADE NOTIFICATION OF INCIDENT AND ISSUED REPORT #21-03650. AT 1112 HOURS: CAMERON PARISH LEPC; OPERATOR #796 MR. LOGAN; MADE NOTIFICATION OF INCIDENT, NO REPORT # ISSUED. TWO ADDITIONAL NRC NOTIFICATIONS WERE MADE REPORT #1313688 AND #1313827 (48-PHMSA UPDATE). BASED ON EVAPORATION MODELING, FOREFRONT EXPECTED 84% OF THE RELEASED 283.8 BBLS OF CONDENSATE (238.392 BBL) TO NATURALLY EVAPORATE LEAVING 45.408 BBLS THAT WAS RECOVERED BY ABSORBENTS AND FROM THE IN SITU BURN. TO REPAIR THE LINE COX OPERATING HAD CERTIFIED SPLIT-SLEEVE CLAMP (SN-6193401) INSTALLED ON THE PIPELINE. COX WILL CONTINUE TO MONITOR THE CORROSION COUPON MONTHLY TO DETERMINE IF CHEMICAL TREATMENT WILL BE REQUIRED.

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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