"ONEOK NGL PIPELINE, LLC"

hazardous_liquid Incident — — June 3, 2024

Incident Information

Incident DateJune 3, 2024
Operator"ONEOK NGL PIPELINE, LLC"
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates31.87049, -103.85733

Cause

CauseEQUIPMENT FAILURE
SubcauseMALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Casualties

Fatalities0
Injuries2

Costs

Property Damage$190,000
Emergency Response$96,000
Other Costs$160,000

Location Map

Incident Narrative

"ON JUNE 3, 2024 AT APPROXIMATELY 11:50 A.M., PRODUCT IGNITED DURING A PIGGING OPERATION AT WEST TEXAS NGL PIPELINE'S ORLA INJECTION SITE. A 3RD PARTY IS PERFORMING A CAUSE FAILURE ANALYSIS AND WILL SUBJECT THE RELEVANT EQUIPMENT TO LAB ANALYSIS. THE RESULTS WILL BE SHARED WITH PHMSA AND ONEOK WILL SUPPLEMENT THIS REPORT AS APPROPRIATE. SUPPLEMENTAL 2/17/25: THE THIRD-PARTY CAUSAL REPORT IDENTIFIED THAT THE ASSOCIATED VALVES LEAKED DUE TO MECHANICAL DAMAGE TO THE VALVE SEALS. THE DAMAGE WAS A COMBINATION OF WEAR FROM THE VALVES OPENING AND CLOSING, AND PARTICULATE MATERIALS SCRATCHING AND EMBEDDING IN THE SEALS. FAILURE TO FOLLOW THE HOT WORK STANDARD BY ALLOWING A NON-INTRINSICALLY SAFE DEVICE INTO THE WORK AREA WITH A POTENTIALLY HAZARDOUS ATMOSPHERE HAS ALSO BEEN IDENTIFIED AS A CONTRIBUTING FACTOR TO THE EVENT. THE RELEASE AND SUBSEQUENT IGNITION RESULTED IN TWO CONTRACTOR INJURIES. A LINE STOP ON THE ASSOCIATED PIPELINE WAS UTILIZED TO MAKE THE REQUIRED REPAIRS."

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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