CHEVRON PIPE LINE CO

hazardous_liquid Incident — — September 8, 2011

Incident Information

Incident DateSeptember 8, 2011
OperatorCHEVRON PIPE LINE CO
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates32.25117, -101.30585

Cause

CauseMATERIAL FAILURE OF PIPE OR WELD
SubcauseDESIGN-, CONSTRUCTION-, INSTALLATION-, OR FABRICATION-RELATED

Casualties

Fatalities0
Injuries0

Costs

Property Damage$400,000
Emergency Response$100,000
Other Costs$0

Location Map

Incident Narrative

CPL'S HOUSTON CONTROL CENTER (INVESTIGATING A POTENTIAL LEAK, DUE TO SYSTEM IMBALACE) HAD SHUT DOWN THE TWO 10' SECTIONS OF THE LPG SYSTEM FOR A STAND UP TEST (BLOCKED @MP 158 & MP 139). ONE OF THE 10' LINES WAS BLOCKED IN @ 06:47 & THE OTHER @ 06:58. THE CONTROL CENTER RECEIVED A PHONE CALL @ 07:52 REPORTING A VAPOR CLOUD IN THE VACINITY OF OUR PIPELINES. THE CONTROL CENTER THEN RECEIVED ANOTHER PHONE CALL A FEW MINUTES LATER REPORTING THAT THE VAPOR CLOUD HAD IGNITED. CHEVRON PERSONNEL & LOCAL VFD'S ARRIVED & BEGAN SPRAYING WATER AROUND THE PERIMETER TO EXTINGUISH ANY GRASS FIRES. BOTH 10' LINES HAVE BEEN EXCAVATED & EXAMINED FOR HEAT DAMAGE. ALL BLOCK VALVES AT THE MP 148.8 SWAB TRAP AREA WERE DISMANTLED & INSPECTED FOR ANY HEAT RELATED DAMAGE AND ALL SEALS REPLACED ON 9-11-11. THE PIPE NEAR THE LEAK SITE WAS EXAMINED BY METALLURGISTS AND DETERMINED TO BE UNDAMAGED ON 9/11/11. THE DAMAGED PIPE WAS REPLACED WITH NEW TESTED PIPE AND THE 10' LOOP LINE WAS PUT BACK IN SERVICE ON 9/15/11. SEE ATTACHED LAB ANALYSIS PN:1251849

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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