TEXAS EASTERN TRANSMISSION, LP (SPECTRA ENERGY PARTNERS, LP) — Gas transmission and gathering — incident on 2019-01-08

Gas transmission and gathering incident in RAGLEY, BEAUREGARD PARISH County, LA. Reported cause: NATURAL FORCE DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 112.8 NATURAL GAS released, $250,000 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: 20190013.

Operator ID: 19235.

Reported incident date: 1/8/2019 14:34.

Location detail: 64.4

Cause detail: OTHER NATURAL FORCE DAMAGE

Cause detail: ORIGINAL REPORT: 48 HR NRC REPORT 1234963 AT APPROXIMATELY 2:34 PM CST ON JANUARY 8, 2019, AN ENBRIDGE EMPLOYEE DISCOVERED A NATURAL GAS RELEASE BELOW GROUND AT THE GILLIS COMPRESSOR STATION ON THE TEXAS EASTERN TRANSMISSION (TETLP) SYSTEM IN BEAUREGARD PARISH, LA. THE LEAK WAS LOCATED NEAR THE INLET OF A FILTER SEPARATOR. THE FILTER SEPARATOR WAS ISOLATED AND BLOWN DOWN ON JANUARY 8, 2019, AND IT REMAINED ISOLATED UNTIL REPAIR WAS COMPLETE. THE APPARENT CAUSE IS UNDER INVESTIGATION. THE 2 INCH PIPE WAS REPLACED AND ADDITIONAL PIPE SUPPORTS WERE INSTALLED. SUPPLEMENTAL REPORT (08/26/2019) TETLP PERFORMED METALLURGICAL TESTING OF THE PIPE AND THE RESULTS DID NOT IDENTIFY ANY ROOT CAUSE. IN ADDITION, THE RADIOGRAPH FILM WAS REVIEWED BY AN ASNT LEVEL III. THE RADIOGRAPH WAS FREE OF DEFECTS AND MET API 1104. BASED ON THE METALLURGICAL TESTING PERFORMED, ASSESSMENT OF THE SITE AND REVIEW OF THE RADIOGRAPHIC REPORT IT WAS DETERMINED THAT THE CAUSE OF THE LEAK WAS THE TWO PIPES SETTLING IN DIFFERENT DIRECTIONS CAUSING A STRESS CONCENTRATION AT THIS POINT.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: NATURAL FORCE DAMAGE — OTHER NATURAL FORCE DAMAGE.

PHMSA indexed costs: $250,488 reported total cost, $117,644.087 in 1984 dollars, $289,096.432 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.