NATURAL GAS PIPELINE CO OF AMERICA (KMI)

gas_transmission Incident — — June 6, 2012

Incident Information

Incident DateJune 6, 2012
OperatorNATURAL GAS PIPELINE CO OF AMERICA (KMI)
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates35.54393, -100.67853

Cause

CauseMATERIAL FAILURE OF PIPE OR WELD
SubcauseORIGINAL MANUFACTURING-RELATED (NOT GIRTH WELD OR OTHER WELDS FORMED IN THE FIELD)

Casualties

Fatalities0
Injuries0

Costs

Property Damage$25,000
Emergency Response$5,000
Other Costs$200

Location Map

Incident Narrative

THE NPS 26 #1 OKLAHOMA EXTENSION FAILED 0.85 MILES DOWNSTREAM (WEST) OF COMPRESSOR STATION 154 IN GRAY COUNTY TEXAS. THE FRACTURE INITIATED NEAR THE OD SURFACE 17 INCHES DOWNSTREAM OF GIRTH WELD 1220 DUE TO HYDROGEN STRESS CRACKING AT A HARD SPOT. THE HARD SPOT WAS A MANUFACTURING DEFECT PRESENT SINCE PLATE ROLLING. THE 3.3 MILES OF PIPELINE (AFFECTED AREA) WAS RETURNED TO SERVICE ON JUNE 29, 2012 AT 80% OF THE OPERATING PRESSURE AT THE TIME OF THE INCIDENT. THE PROCESS TO RETURN IT TO 100% OF MAOP WAS STARTED ON NOVEMBER 16, 2012.

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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