TENNESSEE GAS PIPELINE COMPANY — Gas transmission and gathering — incident on 2018-01-22

Gas transmission and gathering incident in BATESVILLE, PANOLA County, MS. Reported cause: MATERIAL FAILURE OF PIPE OR WELD. Reported consequences: 0 fatalities, 0 injuries, 4030 NATURAL GAS released, $137,061 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: 20180023.

Operator ID: 19160.

Reported incident date: 1/22/2018 17:37.

Location detail: 63-1+6.63

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

Cause detail: AT 5:37 PM A LOCAL RESIDENT CONTACTED, BY PHONE, A TGP LINE PATROLLER TO REPORT A SUSPECTED LEAK. THE LEAK WAS CONFIRMED ONSITE AND COMPANY EMERGENCY RESPONSE PROCEDURES WERE IMPLEMENTED AT 6:05 P.M. THE VALVE SECTION 63-1BL TO 64-1 WAS ISOLATED BY 6:21 P.M., BLOWN DOWN, AND THE LEAK SITE WAS SECURED. A SECTION OF THE PIPE INCLUDING THE LEAK LOCATION WAS CUT OUT AND SHIPPED BY TGP PERSONNEL TO ANDERSON AND ASSOCIATES IN HOUSTON, TEXAS FOR METALLURGICAL EVALUATION. THE SECTION OF PIPELINE REMOVED WAS REPLACED AND THE PIPELINE SEGMENT WAS PLACED BACK INTO SERVICE ON JANUARY 30, 2018 AT 11:05 P.M CORRECTIVE ACTION: PRIOR TO RETURN TO SERVICE, PIPE WITH CIRCUMFERENTIAL CRACKING AND THE REMAINING SAG WRINKLE BENDS IN THE VICINITY WHERE REMOVED AND REPLACED WITH COMMENSURATE PIPING FOR THE LOCATION. POST COMPLETION OF STARTUP OPERATIONS CONDUCTED A GAS LEAK SURVEY OVER THE ENTIRE VALVE SECTION. NO PUBLIC AND NON-OPERATOR PRIVATE PROPERTY DAMAGE WERE INCURRED WITH THIS INCIDENT.

PHMSA trend classification: significant incident, not serious.

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

PHMSA indexed costs: $250,606 reported total cost, $137,785.848 in 1984 dollars, $293,631.198 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.