ENTERPRISE PRODUCTS OPERATING LLC

hazardous_liquid Incident — — January 15, 2016

Incident Information

Incident DateJanuary 15, 2016
OperatorENTERPRISE PRODUCTS OPERATING LLC
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates37.05812, -95.63415

Cause

CauseMATERIAL FAILURE OF PIPE OR WELD
SubcauseENVIRONMENTAL CRACKING-RELATED

Casualties

Fatalities0
Injuries0

Costs

Property Damage$152,000
Emergency Response$400,000
Other Costs$2,500

Location Map

Incident Narrative

"AT 9:32 ON 1/15/2016, A THIRD PARTY CALLED ENTERPRISE'S CONTROL CENTER REPORTING VAPORS IN THE VICINITY OF AN ENTERPRISE PIPELINE. THE CONTROL CENTER BLOCKED THE LINE IN REMOTELY AT 09:45. AT 11:00 THE CLOSEST VALVE UPSTREAM OF THE RELEASE SITE WAS CLOSED. THE CLOSEST VALVE DOWNSTREAM WAS PREVIOUSLY CLOSED REMOTELY. THERE WAS A NOTICEABLE PRESSURE DROP IN THE CONTROL CENTER, AND AT 11:48 AN ENTERPRISE EMPLOYEE ARRIVED ON SITE TO CONFIRM THE VAPORS WERE COMING FROM THE ENTERPRISE PIPELINE. ON 1/19/2016 THE LINE WAS EXCAVATED AND A PLIDCO CLAMP WAS INSTALLED TO STOP THE LEAK. ON 1/23/2016 A DISPLACEMENT PIG WAS PUSHED BY NITROGEN IN ORDER TO EVACUATE THE LINE. ONCE THE LEL WAS DEEMED SAFE AT THE LEAK SITE, THE CRACKED PIPE WAS CUT OUT AND REPLACED. THE LINE WAS PLACED BACK IN TO NORMAL OPERATION ON 1/29/2016. UPDATED ON 7/15/2016 LINE PACK DEVIATIONS ON CPM INDICATED THAT THE LEAK OCCURRED AT APPROXIMATELY 4:30 ON 1/15/2016, HOWEVER THE DEVIATION DID NOT MEET THE ALARM THRESHOLD. THE FAILED SECTION OF PIPE WAS SUBMITTED FOR METALLURGICAL ANALYSIS. CIRCUMFERENTIAL STRESS CORROSION CRACKING WAS FOUND TO BE THE CAUSE OF THE LEAK. THE FINAL METALLURGICAL REPORT AND ENTERPRISE'S REMEDIAL WORK PLAN HAVE BEEN SUBMITTED TO PHMSA."

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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