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Occupational Safety and Health Administration OSHA

Inspection Detail

Inspection: 123449480 - Pennzoil-Quaker State Co. Shreveport Refinery

Inspection Information - Office: Baton Rouge

Nr: 123449480Report ID: 0625700Open Date: 01/20/2000

Pennzoil-Quaker State Co. Shreveport Refinery
3333 Midway Ave
Shreveport, LA 71109
Union Status: Union
SIC: 2911/Petroleum Refining
NAICS: 324110/Petroleum Refineries
Mailing: Po Box 3099, Shreveport, LA 71113

Inspection Type:Accident
Scope:Partial Advanced Notice:N
Safety/Health:Safety Close Conference:06/27/2000
Planning Guide: Safety-Manufacturing Close Case:03/09/2001
Emphasis: N:Petro

Related Activity:TypeIDSafetyHealth

Violation Summary
Serious Willful Repeat Other Unclass Total
Initial Violations 5 5
Current Violations 5 5
Initial Penalty $0 $0 $0 $0 $151,000 $151,000
Current Penalty $0 $0 $0 $0 $151,000 $151,000
FTA Amount $0 $0 $0 $0 $0 $0

Violation Items
# ID Type Standard Issuance Abate Curr$ Init$ Fta$ Contest LastEvent
  1. 01001 Unclass 5A0001 07/17/2000 07/18/2002 $151,000 $151,000 $0 -
  2. 01002 Unclass 19100119 C01 07/17/2000 07/18/2001 $0 $0 $0 -
  3. 01003 Unclass 19100119 C02 07/17/2000 07/18/2001 $0 $0 $0 -
  4. 01004 Unclass 19100119 E03 I 07/17/2000 10/20/2000 $0 $0 $0 -
  5. 01005 Unclass 19100119 E03 II 07/17/2000 10/20/2000 $0 $0 $0 -

Accident Investigation Summary
Summary Nr: 200551414Event: 01/17/2000Four Employees Injured When Heat Exchanger Ruptures
At approximately 7:05 p.m. on January 19, 2000, Employees #1 through #4 were in the naphtha unifiner area of the refinery when a 26 in. diameter by approximately 20 ft long heat exchanger, designated as 55-EX-02B, ruptured, resulting in a fire and a catastrophic release of hydrocarbons. The break occurred approximately 10 1/2 ft from the front of the channel, releasing light hydrocarbons at 300 psi and at temperatures between 130 and 140 degrees F. Employee #1 sustained severe burns and was transported to the LSU burn unit in Shreveport, LA; Employees #2 through #4 suffered from smoke inhalation and other injuries, and were admitted to area hospitals. The 55-EX-02B heat exchanger was a type AEU (or U-tube type exchanger), constructed to ASME code (section VIII, 1968 edition), and inspected using the requirements of API 510/RP572 and NB-23. During normal operations, light hydrocarbons, such as naphtha and benzene, were circulated through the exchangers from the hydrotreater and reactor to the pressure separator. Hydrocarbon vapors from the hydrotreater went into the reactor. From the reactor, the vapors entered a series of heat exchangers, 55-EX-01A through E and 55-EX-02A through B, where the vapor was transformed into a two-phase product (vapor and liquid) by cooling within the exchangers. The product continued on to the pressure separator, where the two states were separated out, along with the wash water. Wash water was injected into the flow before the 55-EX-01D and after the 55-EX-01E exchangers to remove organic and inorganic material that might have been in the naphtha flow. The wash water system had been down for maintenance since the beginning of the month. The temperature of the naphtha when it left the reactor was over 250 degrees F. The temperature at the time the flow entered the 55-EX-02B exchanger was approximately 130 to 140 degrees F. When the flow exited the 55-EX-02A exchanger, the temperature was approximately 90 degrees F. The heat exchanger was manufactured in 1971 by Heat Exchanger Service of Dutchtown, LA.
Keywords: inhalation, equipment failure, explosion, heat exchanger, smoke inhalation, burn, fire, rupture, chemical, high temperature
Inspection Degree Nature Occupation
1 123449480 Hospitalized injury Fracture Miscellaneous plant and system operators
2 123449480 Hospitalized injury Dislocation Miscellaneous plant and system operators
3 123449480 Hospitalized injury Asphyxia Miscellaneous plant and system operators
4 123449480 Hospitalized injury Burn(Chemical) Miscellaneous plant and system operators

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