ENTERPRISE PRODUCTS OPERATING LLC

hazardous_liquid Incident — — December 9, 2021

Incident Information

Incident DateDecember 9, 2021
OperatorENTERPRISE PRODUCTS OPERATING LLC
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates35.57208, -101.12427

Cause

CauseEQUIPMENT FAILURE
SubcauseTHREADED CONNECTION/COUPLING FAILURE

Casualties

Fatalities0
Injuries0

Costs

Property Damage$25
Emergency Response$100
Other Costs$0

Location Map

Incident Narrative

"ON 12/09/21 AT 06:50 CST, AN ENTERPRISE TECHNICIAN NOTICED PRODUCT RELEASING INTO THE ATMOSPHERE BY THE SOUTH RED METER RUN AT SKELLYTOWN STATION. PIPELINE CONTROL WAS IMMEDIATELY NOTIFIED AND THE PIPELINE WAS SHUTDOWN. UPON INVESTIGATION A NIPPLE CONNECTION LEADING TO TWO TRANSMITTERS HAD CRACKED AND RELEASED APPROXIMATELY 7 BARRELS OF NORMAL BUTANE INTO THE ATMOSPHERE. THE CAUSE OF THE FAILURE WAS DETERMINED TO BE UNSUPPORTED WEIGHT ON A SMALL DIAMETER NIPPLE COUPLED WITH VIBRATION FROM NORMAL OPERATIONS. A SUPPORT RACK WAS BUILT TO BEAR THE WEIGHT OF THE TRANSMITTERS AND THE BROKEN NIPPLE WAS REPLACED."

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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