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CSB Investigation
Report No. CSB-EXXON-BATONROUGE-2017
2017
Fire Fire Safety Safety
ExxonMobil Baton Rouge 炼厂化学品释放火灾
ExxonMobil Refinery, Baton Rouge, Louisiana
Related equipment → piping (piping)Related equipment → Centrifugal compressor (centrifugal_compressor)
0Fatalities
4Injuries
FailureMechanism code ELP
⌗Failure Mode · ISO 14224 Mapping
Damage mechanism (recorded in KB)
FailureELP
ISO functional code (as recorded)
ISO 14224:2016 functional failure code
ELP · External leakage - process
ISO ELP — External leakage - process.
1What Happened
2016-11-22 硫酸烷基化单元异丁烷释放，4 人重伤
2Root Cause
烷基化单元工艺管道/压缩机密封失效，释放后点火
3Reliability Lessons (from investigation root cause)
- The 'Root Cause' above is the core lesson of this accident; not split further.
4Associated Failure Mechanisms (Keywords)
烷基化 异丁烷 释放 管道 压缩机 灼伤
About the Failure-Mode Code (click to expand)
The recorded code ELP is an ISO 14224:2016 functional failure code (describes what the equipment failed to do). The damage mechanism (how it failed) is shown in the Mapping block above. The two are distinct dimensions in ISO 14224.
5Evidence Source (transparent)
Authority：U.S. Chemical Safety and Hazard Investigation Board (CSB)
Official Report：www.csb.gov ↗
Data Verification：verified_url_csb_investigations_list_2026-08-07（终报 2017-09-18）
↗Related Failure Modes · Traceability