ANR PIPELINE CO
gas_transmission Incident — — February 7, 2012
Incident Information
| Incident Date | February 7, 2012 |
| Operator | ANR PIPELINE CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 41.56624, -85.16742 |
Cause
| Cause | MATERIAL FAILURE OF PIPE OR WELD |
| Subcause | ORIGINAL MANUFACTURING-RELATED (NOT GIRTH WELD OR OTHER WELDS FORMED IN THE FIELD) |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $753,000 |
| Emergency Response | $5,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON CALL TCPL EMPLOYEE RECEIVED A CALL FROM GAS CONTROL ADVISING A LANDOWNER HAD CALLED IN REPORTING A BUBBLING NOISE IN THE AREA OF THE PIPELINE. TCPL EMPLOYEES INVESTIGATED AND FOUND A SLOW BUBBLE FORMATION EVERY 3 TO 4 SECONDS WAS OBSERVED CLOSE PROXIMITY TO THE 22 INCH 504 TIELINE LOCATED IN THE LAGRANGE SECTION NEAR ORLAND, INDIANA, EAST OF STATE ROUTE 327 NEAR MILEPOST 45. COMPANY INVESTIGATED FURTHER AND USED INSTRUMENTS TO DETECT A GAS LEAK. FOLLOWING ISOLATION OF THE SEGMENT, THE AREA WAS EXCAVATED AND THE PIPE SEGMENT CONTAINING THE LEAK WAS REMOVED FROM THE PIPELINE. SUBSEQUENTLY, THE COMPANY'S PIPE INTEGRITY GROUP HAS EXAMINED THE FAILED SEGMENT OF PIPE THROUGH METALLURGICAL ANALYSIS AND DISCOVERED THAT THE FAILURE WAS DUE TO A LACK OF FUSION IN THE LONGITUDINAL WELD."
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.