TENNESSEE GAS PIPELINE COMPANY — Gas transmission and gathering — incident on 2013-01-15

Gas transmission and gathering incident. Reported cause: MATERIAL FAILURE OF PIPE OR WELD. Reported consequences: 0 fatalities, 0 injuries, 1000 NATURAL GAS released, $962,206 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: 20130015.

Operator ID: 19160.

Reported incident date: 1/15/2013 12:45.

Cause detail: DESIGN-, CONSTRUCTION-, INSTALLATION-, OR FABRICATION-RELATED

Cause detail: THIRD PARTY PRODUCER NOTICED SMALL PRESSURE REDUCTION ISSUES ON PLATFORM. NOTIFIED TGP. TGP SCADA DID NOT SHOW ANY PRESSURES OUTSIDE NORMAL PARAMETERS. PRODUCER SUBSEQUENTLY IDENTIFIED BUBBLES ON SURFACE AND PROVIDED COORDINATES TO TGP. BUBBLES LOCATED BY AIRCRAFT PILOT WITH GPS COORDINATES NEAR THE 821E-100 LINE IN HIGH ISLAND BLOCK 39. INITIAL ACTIONS / REPORT: ISOLATED LINE 821E-100 LINE BY SHUTTING IN TWO FLOWING PRODUCERS AND MAINLINE VALVE AT SABINE PASS 18 CG. SUBSEQUENT INVESTIGATION FOUND A CRACK ON 6" SADDLE AT SUB-SEA TIE-IN. REPAIR PART HAS NINE WEEK LEAD TIME. PROVIDED A NOTICE TO MARINERS WITH THE PORT ARTHUR COAST GUARD ON JANUARY 20TH. GAS BLANKET WILL BE MAINTAINED ON PIPELINE TO PREVENT OIL IN LINE FROM ESCAPING. AS A RESULT GAS WILL CONTINUE TO BE RELEASED UNTIL REPAIR CAN BE MADE. FINAL GAS VOLUME RELEASED WILL BE CALCULATED AT THAT TIME. UPDATE / FINAL REPORT: THE REPAIRS WERE BEEN COMPLETED ON APRIL 25, 2013 AND THE PIPELINE WAS PUT BACK INTO SERVICE ON APRIL 30, 2013.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: MATERIAL FAILURE OF PIPE OR WELD — CONSTRUCTION, INSTALLATION OR FABRICATION-RELATED.

PHMSA indexed costs: $1,425,037 reported total cost, $840,810.861 in 1984 dollars, $1,715,815.479 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.