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Phillips 66 (2418), Belle Chasse

Causal Factor: Seal or Gasket

LDEQ Accident Number
Accident Date
Point Source(s) Notes Amount of Release

Chevron Texaco Bridgeline Pipeline
Cause: During product switch from Propane to Propylene the level gauge gasket on the seal pot of the 411 L 95 C pump failed.

Followup: No

Notes: Pump was shut down and isolated and repaired.
Propylene: 102.0 pounds

Saturated Gas Plant 7991-V-2
Cause: Failure of the Process Safety Valve

Followup: No

Notes: Could not have been predicted, preventative safety measures were in place already.
Methane: 1,929.0 pounds
Ethane: 4,954.0 pounds
Propane: 10,841.0 pounds
Butane: 3,902.0 pounds
Volatile Organic Compounds (VOCs): 5,019.0 pounds
Hydrogen Sulfide: 3.0 pounds


308F-D-2 High Pressure Flare
Cause: The bottom recirculation pump for the HDS Hydrotreater Column tripped off line due to unexpected seal failure and sudden pressure surge within the column.

Followup: No

Notes: Executed all shutdown mechanisms for the Low Sulfur Gasoline Unit safely, stablized HDS Column product streams and isolated L3 pump. The Alkylation Unit operation was adjusted to the available cooling water supply and stop the flaring.
Hydrocarbon: 1,804.0 pounds
Nitrogen Oxide: 55.7 pounds

308F-D-2 High Pressure Flare
Cause: The reflux pump 294L4B att he Low Sulfur Gasoline Unit experienced a seal failure.

Followup: No

Notes: The Low Sulfur Gasoline Unit was taken off line and shutdown.
Hydrocarbon: 378.0 pounds
Nitrogen Oxide: 57.9 pounds
Sulfur Dioxide: 1.0 pounds

broken valve on bottom of a vacuum tower

Followup: no

Notes: Spilled material solidified on the ground and removed.
Vacuum Bottoms, Gas Oil, 6 Oil: 210.0 gallons
No LDEQ Reported

Product Dock 1
Cause: On Tuesday, March 26, 2013, the operator on Dock 1 observed a sheen and the investigation of the sheen led to the discovery of a very small dripping leak on the gasoline loading line for Dock 1. The leak was off an engineered clamp on the gasoline loading line that had been installed following a previous leak on November 17, 2012. The line that leaked was not in use for any vessel loading, but it was pressured up as gasoline was being loaded onto a vessel at Dock 2. The leak rate observed was 4 drops per minute. The Dock 2 loading commenced at 11:15PM on March 25, so the worse case duration would be 580 minutes (9 hours, 40 minutes). Assuming an average drop volume of 0.05ml, the estimated volume is 0.03 gallons.

Followup: No

Notes: Upon discovery of the leak, the gasoline loading at Dock 2 was stopped, and the visual leaking ceased. The Dock 1 line was then isolated from the refinery system supplying the Dock 2 loading; as an additional precaution, a temporary containment was placed under leak area. Once the Dock 1 isolation was confirmed and the clamp was verified as no longer leaking, loading operations resumed on Dock 2. The clamp was re-pumped with sealant, and the line remains isolated pending further investigation.
Gasoline: 0.0 gallons