"MEDALLION OPERATING COMPANY, LLC"

hazardous_liquid Incident — — June 27, 2025

Incident Information

Incident DateJune 27, 2025
Operator"MEDALLION OPERATING COMPANY, LLC"
CommodityCRUDE OIL
Pipeline Typehazardous_liquid

Location

State
Coordinates32.29018, -101.41168

Cause

CauseEQUIPMENT FAILURE
SubcauseTHREADED CONNECTION/COUPLING FAILURE

Casualties

Fatalities0
Injuries0

Costs

Property Damage$0
Emergency Response$7,000
Other Costs$0

Location Map

Incident Narrative

"AT 5:30 ON 6/27/25, A ONEOK EMPLOYEE ENTERED THE SANDHILL FACILITY AND DISCOVERED A LEAKING PIPE NIPPLE LOCATED ON THE PUMP BYPASS VALVE. THE EMPLOYEE IMMEDIATELY CALLED THE CONTROL ROOM TO INFORM THEM OF THE LEAK AND THE CONTROL ROOM SHUT DOWN THE FACILITY. THE EMPLOYEE THEN NOTIFIED LOCAL MANAGEMENT AT 5:35. MANAGEMENT DEPLOYED ADDITIONAL PERSONNEL TO RESPOND. EMPLOYEES ARRIVED TO ASSESS THE LEAK AND CONFIRMED THE SOURCE TO BE THE PIPE NIPPLE LOCATED ON THE PUMP BYPASS VALVE. THE VALVE WAS ISOLATED TO STOP THE LEAK AND BEGIN REPAIRS. THE NIPPLE WAS REPLACED WITH A NEW EXTRA HEAVY WALL NIPPLE. ONCE REPAIRS WERE MADE, THE FACILITY WAS BROUGHT BACK IN SERVICE AT 6:55. TO PREVENT REOCCURRENCE IN THE FUTURE, OPERATIONS LOCATED ALL NIPPLES IN THE FACILITY AND REPLACED THEM WITH EXTRA HEAVY WALL NIPPLES."

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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