TARGA RESOURCES OPERATING LP — Gas transmission and gathering — incident on 2012-07-14

Gas transmission and gathering incident. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 100 NATURAL GAS released, $170,000 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.

Report number: 20120080.

Operator ID: 32296.

Reported incident date: 7/14/2012 16:00.

Cause detail: INTERNAL CORROSION

Cause detail: THE PRESSURE IN THE LINE SEGMENT WAS REDUCED FROM 950 PSIGTO APPROXIMATELY 300 PSIG AND BLOCKED IN. A BOLTED CLAMP WAS INSTALLED AT THE LOCATION OF THE LEAK. THE LEAK IS ASSUMED TO BE CAUSED BY MIC, BUT PIPELINE WAS NOT INTERNALLY INSPECTED TO CONFIRM CAUSES. PIPELINE SEGMENT REMAINS BLOCKED IN WITH NO GAS FLOW. TARGA PLANS TO SELL THE PIPELINE TO OFFSHORE PRODUCER. IF SELL IS NOT COMPLETED, THE SEGMENT OF THE SYSTEM WILL BE ABANDONED.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: CORROSION — INTERNAL.

PHMSA indexed costs: $178,420 reported total cost, $94,874.328 in 1984 dollars, $230,635.13 in current-year dollars.

PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.