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Phillips 66 (2418), Belle Chasse
Releases in 2006
| LDEQ Accident Number Accident Date |
Point Source/Release | Cause | Notes |
| 92941 2006-12-31 | Point Source(s): Saturated Gas Plant 7991-V-2 Pollutant(s):Methane - 1,929 pounds Ethane - 4,954 pounds Propane - 10,841 pounds Butane - 3,902 pounds Volatile Organic Compounds (VOCs) - 5,019 pounds Hydrogen Sulfide - 3 pounds | Cause of Problem: Seal or Gasket Failure of the Process Safety Valve | Could not have been predicted, preventative safety measures were in place already. |
| 92924 2006-12-29 | Point Source(s): None Reported Pollutant(s): | Cause of Problem: No Information Given False alarm. Flare was thought to be out, but it was soon realized that the wind and weather conditions just caused it to appear to be out. Fuel gas to the flare was increased making the flame visible. | Refinery supervision employees in the field saw that the Low Pressure flare was still lit, and confirmed that the ionization detectors at the flare never malfunctioned or failed. Fuel gas was increased to make the flare visible. |
| 92240 2006-11-23 | Point Source(s): 301-D-3 FCC Regenerator Flue Gas Bypass Stack; 308F-D-1 Low Pressure Flare; 308F-D-2 High Pressure Flare Pollutant(s):Carbon Monoxide - 7,169 pounds Hydrocarbon - 200 pounds Hydrogen Sulfide - 7 pounds Nitrogen Oxide - 36 pounds Sulfur Dioxide - 606 pounds | Cause of Problem: Process Upset The FCC process control system malfunctioned causing upset operating conditions at the FCC Unit. This malfunction caused an immediate and unecpected shutdown of the entire FCC Unit. | According to the report: "Although preventative maintenance procedure exist, conditions of this type cannot be anticipated. An investigation is continuing to determine the root cause of this accident." |
| 92063 2006-11-15 | Point Source(s): 308F-D-2 High Pressure Flare Pollutant(s):Nitrogen Oxide - 37 pounds | Cause of Problem: Maintenance/Procedures The HF Acid Rerun Tower in the HF Alkylation Unit was being taken out of service to replace fouled packing. The normal procedure for preparing this equipment for maintenance includes a flush with isobutane to the High Pressure FLare | An attempt was made to reduce the flare flow but it was not sufficient enough. Further occurrence of this maintenance activity will be planned in a manner to allow a variance request to be submitted prior to the event. For a linger term solution, the flare permit will be modified to add this specific maintenance activity. |
| 91249 2006-10-10 | Point Source(s): 308F-D-1 Low Pressure Flare Pollutant(s):Hydrocarbon - 905 pounds | Cause of Problem: Process Upset The water boot control valvve for the straight run debutanizer malfunctioned and at the same time the water boot level indicator malfunctioned and began transmitting false levels | Stabilized using the manual by-pass and a replacement control valve was ordered and hot shot shipped to the refinery. The replacement control valve was installed that same evening. The level indicator was checked, cleaned and placed back in service. |
| 91097 2006-10-04 | Point Source(s): 491-X-9E/F Pollutant(s):Hydrofluoric Acid - 20 pounds | Cause of Problem: Piping or Tubing A leak developed on the channel head of the heat exchanger while it was being taken out of service for maintenance. | An operator was working nearby when the leak occurred. The operator went through HF decontamination on the unit and then complained of eye discomfort. The operator was initailly treated onsite the transferred to West Jeff hospital. |
| 90872 2006-09-25 | Point Source(s): 410 PSV 061 Pollutant(s):Methane/Ethane Mixture - 11,605 pounds | Cause of Problem: Process Upset Final repssure increase on the Enbridge Purchased Fuel Gas line resulted in an out of sync system dynmics which resulted in causing the Process Safety Valve to lift slightly | Immediately lowered the PFG system's pressure which reseated PSV 061 |
| 90077 2006-08-18 | Point Source(s): 308F-D-2 High Pressure Flare Pollutant(s):Hydrocarbon - 1,804 pounds Nitrogen Oxide - 56 pounds | Cause of Problem: Seal or Gasket The bottom recirculation pump for the HDS Hydrotreater Column tripped off line due to unexpected seal failure and sudden pressure surge within the column. | 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. |
| 90091 2006-08-18 | Point Source(s): 1291-D-1 (FCC Regenerator Flue Gas Vent) Pollutant(s):Carbon Monoxide - 22,355 pounds | Cause of Problem: Equipment Failure Unexpected trip of the forced draft fan of the CO-B Boiler. | The forced draft fan was checked for any damage and then put back on line and the CO-B Boiler was broght back on line with minimal impact to refinery operations. |
| 90071 2006-08-17 | Point Source(s): 308F-D-1 Low Pressure Flare; 308FD2 High Pressure Flare Pollutant(s):Nitrogen Oxide - 14 pounds Sulfur Dioxide - 2,338 pounds | Cause of Problem: Power Failure An electrical fault caused a loss of power to the Alkylation Unit cooling tower and tripped the Delayed Coking Unit compressor and other equipment off line. | Stabilized unit allowing restart of the 891K1 compressor and stopping of the flaring off of 491V9 |
| 89980 2006-08-15 | Point Source(s): 308F-D-2 High Pressure Flare Pollutant(s):Hydrocarbon - 7,898 pounds Nitrogen Oxide - 268 pounds | Cause of Problem: Power Failure An oil circuit breaker in the electrical substation supplying electricity to the Alkylation Unit and its cooling tower failed. This power interruption caused a loss of cooling water and tripped several pumps offline. | Plant personnel stabilized the unit to prepare AU 491 for restart. |
| 90011 2006-08-15 | Point Source(s): 308F-D-2 High Pressure Flare Pollutant(s):Hydrocarbon - 2,812 pounds Nitrogen Oxide - 113 pounds | Cause of Problem: Process Upset During restart of Alkylation Unit a pressure surge triggered an automatic shutdown. Pressure safety valves relieved on 491V8. | Plant personnel stabilized unit operations to prepare AU 491 for restart |
| 89872 2006-08-09 | Point Source(s): 308F-D-1 Low Pressure Flare Pollutant(s):Hydrocarbon - 242 pounds Hydrogen Sulfide - 34 pounds Sulfur Dioxide - 3,364 pounds | Cause of Problem: Equipment Failure During Coke Drum switch the actuator on isolation valve XV627 malfunctioned which in turn caused the compressor kickback valve to open. | Coker unit operations and pressures were stabilized and the valve to the flare was closed. |
| 89537 2006-07-18 | Point Source(s): 308F-D-2 High Pressure Flare Pollutant(s):Hydrocarbon - 9,813 pounds Hydrogen Sulfide - 79 pounds | Cause of Problem: Other Low flare vapor traffic and a possible sudden release of high velocity steam may have snuffed out the HP flare flame at its tip. | Operations immediately blocked in the steam controllers and orifices to the High Pressure flare and added additional purchased fuel gas to the tip. The manual flame front generator was then reactivated to reignite the High Pressure Flare. The additional purchased gas was then blocked in and the steam controllers were ublocked to provide smokeless flaring capabilities. |
| 89168 2006-07-11 | Point Source(s): 412-A-FF Pollutant(s):Propane - 64,202 pounds | Cause of Problem: Equipment Failure The propane refrigeration compressor 100K2 was unable to lower the pressure. The venting to the flare was not sufficient to lower the pressure, so the vent to atmosphere was opened. | Preliminary investigation results indicate the insulating coating applied as a replacement of asbestos containing insutation removed duringt he Hurricane Katrina recovery period is not performing as advertised. This results in higher tank temperaure. |
| 89113 2006-07-08 | Point Source(s): 308F-D-2 High Pressure Flare Pollutant(s):Hydrocarbon - 25 pounds Nitrogen Oxide - 12 pounds | Cause of Problem: Process Upset The Process Safety Valve relieved to the HP flare causing the Pressure Swing Absorption unit to trip off line. | The entire 1792 Unit including the PSA portion of the unit was shutdown to allow inspection of the hot spot in the heater. |
| 88719 2006-06-19 | Point Source(s): 308F-D-2 High Pressure Flare Pollutant(s):Hydrocarbon - 848 pounds Nitrogen Oxide - 61 pounds Sulfur Dioxide - 1 pounds | Cause of Problem: Process Upset The Pressure Swing Adsorption Unit tripped off line due to leaking of the Repssure Safety Valve to the HP Flare System. | PSV was isolated from the unit. An investigation is continuing to determine the root cause of this accident. |
| 88523 2006-06-12 | Point Source(s): 308F-D-2 High Pressure Flare Pollutant(s):Hydrocarbon - 378 pounds Nitrogen Oxide - 58 pounds Sulfur Dioxide - 1 pounds | Cause of Problem: Seal or Gasket The reflux pump 294L4B att he Low Sulfur Gasoline Unit experienced a seal failure. | The Low Sulfur Gasoline Unit was taken off line and shutdown. |
| 88395 2006-06-07 | Point Source(s): 308F-D-1 Low Pressure Flare Pollutant(s):Hydrocarbon - 62 pounds Hydrogen Sulfide - 7 pounds Nitrogen Oxide - 7 pounds Sulfur Dioxide - 642 pounds | Cause of Problem: Other Coke fine particles clogged downstream of the valve causing liquid levels in V16 to increase. | It seems these coke particles had accumulated failry quickly near the valve due to the manner in which the outlet valve had been operating over the past several drum switch cycles. |
| 88378 2006-06-06 | Point Source(s): 308F-D-1 Low Pressure Flare Pollutant(s):Hydrocarbon - 81 pounds Hydrogen Sulfide - 2 pounds Nitrogen Oxide - 8 pounds Sulfur Dioxide - 128 pounds | Cause of Problem: Equipment Failure The level float column in the 1291 V 15 Sour Water Drum malfunctioned causing its level controller OLC 180 to open and caused a higher than normal rte of sour water and hydrocarban to inter the Sour Water Stripper Flash Drum v12. | The OLC 180 controller valve was manually closed and then re opened to establish a proper water level in the Sour Water Drum. |
| 87954 2006-05-18 | Point Source(s): 308F-D-1 Low Pressure Flare Pollutant(s):Hydrocarbon - 153 pounds Hydrogen Sulfide - 11 pounds Nitrogen Oxide - 16 pounds Sulfur Dioxide - 1,082 pounds | Cause of Problem: Instrument Failure The 891-K-1 compressor tripped off line due to a faultry level indicator on the high level alaerm in the compressor interstage drum. There was foreign material collecting and plugging the level bridle on V-16. | The liquid levels in the interstage drum were drained manually and the circuit breaker for the compressor was reset and the compressor put back on line. A periodic flush of the V16 level bridle with fresh water is the corrective action. |
| 87876 2006-05-16 | Point Source(s): 308F-D-1 Low Pressure Flare Pollutant(s):Hydrogen Sulfide - 34 pounds Nitrogen Oxide - 30 pounds Sulfur Dioxide - 3,401 pounds | Cause of Problem: Power Failure Malfunction with the bus bar caused the main circuit breaker supplying power to the Crude Unit 191, Saturated Gas Unit 7991 and the WWTP to trip. The power interruption caused unit upsets at the Crude Unit and Hydrotreating Unit 292. | Immediately switched power source to an alternative feeder. |
| 87421 2006-04-26 | Point Source(s): 308F-D-1 Low Pressure Flare Pollutant(s):Hydrocarbon - 159 pounds Hydrogen Sulfide - 19 pounds Nitrogen Oxide - 17 pounds Sulfur Dioxide - 1,895 pounds | Cause of Problem: Process Upset Problems with the coke cutting system required a switch of drums which reduced the flow to the compressor and caused a compressor kickback valve to open to the flare. | Pressures were stabilized and the valve was closed. |
| 87288 2006-04-19 | Point Source(s): 293-PSV-4A Pollutant(s):Butane - 340 pounds Hydrocarbon - 9,123 pounds Hydrogen Sulfide - 449 pounds Propane - 904 pounds | Cause of Problem: Instrument Failure The 293-KN-1 compressor tripped due to a false high level alarm from the suction drum 293-V-5. The suction drum had had been drained by the unit operator but the local level alarm continued to show a high level signal to the compressor. Thie high level alarm indicator caused the compressor to trip unexpectedly. The compressor's turbine could not be reset immediately resulting in 293-PSV-4A lifting to the atmosphere for a short duration. | None |
| 86729 2006-03-25 | Point Source(s): Spent Catalyst Slide Valve 1291-LV92 Pollutant(s):Methane/Ethane Mixture - 952 pounds | Cause of Problem: Instrument Failure The local valve position indicator showed the valve to be closed. | 1291LV92 was manually hand jacked to preperly seat the valve and lock it in place. |
| 86600 2006-03-19 | Point Source(s): Tankfield piping bleeder valve (412-FF) Pollutant(s):Hydrocarbon - 200 gallons | Cause of Problem: Weather A valve fell off of a pipe in a piperack in the tankfield. It is suspected that the valve may have been damaged by storm surge debris of Hurricane Katrina. | The line was isolated, a vacuum trick removed prioduct from ground and containment pool placed under leak. Line will be removed and replaced. |
| 86412 2006-03-13 | Point Source(s): 308F-D-1 Low Pressure Flare Pollutant(s):Sulfur Dioxide - 1,839 pounds | Cause of Problem: Equipment Failure Failure of the motor for the 592K1A blower | The release was due to 2 problems: first the motor powering the blower failed. Second when an alternate blower was placed in service the discharge valve at the blower failed to open due to a hidden mechanical failure. The valve was repaired. |
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