# SEA ROBIN PIPELINE CO — Gas transmission and gathering — incident on 2017-03-09

- **operation:** document
- **citation:** PHMSA Report 20170030
- **title:** SEA ROBIN PIPELINE CO — Gas transmission and gathering — incident on 2017-03-09
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2017-04-07
- **effective on:** 2017-03-09
- **summary:** Gas transmission and gathering incident. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 2110 NATURAL GAS released, $266,243 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. PHMSA trend classification: significant incident, not serious.
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**body:**

Gas transmission and gathering incident. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 2110 NATURAL GAS released, $266,243 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: 20170030.

Operator ID: 18152.

Reported incident date: 3/9/2017 10:40.

Cause detail: INTERNAL CORROSION

Cause detail: AT APPROXIMATELY 10:40 AM ON 3/9/2017, AERIAL OBSERVATION REPORTED BUBBLES WITH A SLIGHT SILVER SHEEN IN THE AREA NEAR A SEA ROBIN PIPELINE IN THE SOUTH TIMBALIER 100 AREA. THE NRC WAS NOTIFIED (NRC #1172831), AT 11:03 AM ON 3/9/17 OF A POSSIBLE LEAK. WE WERE ABLE TO MAKE A SECOND FLIGHT ON 3/9/2017 AND OBSERVED BUBBLES WITH NO SHEEN AND BASED ON THE COORDINATES FOR THE LEAK, WE SHUT DOWN THE PIPELINE AT 11:30 AM ON 3/9/17. A DIVE VESSEL WAS DISPATCHED ON 3/9/2017 AND WAS ABLE TO ASSESS THE LEAK ON 3/10/2017. THE PIPELINE REMAINED SHUT IN UNTIL REPAIRS WERE COMPLETED. SUPPLEMENT/FINAL SUBMITTED ON 09/08/17 CREATED TO CORRECT PART A, QUESTION 5; LATITUDE AND LONGITUDE, QUESTION 15B; FACILITY RESTART; PART D, QUESTION 7B COSTS; PART E, QUESTION 1; CORRECTING THE PRESSURE WAS 753 PSIG NOT 780 PSIG, QUESTION 6D; ANSWER SHOULD HAVE BEEN NO.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: CORROSION — INTERNAL.

PHMSA indexed costs: $291,842 reported total cost, $154,450.769 in 1984 dollars, $350,349.67 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.
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