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CSB Investigation
Report No. CSB-MACONDO-2016
2016
Explosion Explosion Environmental Environmental
Macondo（Deepwater Horizon）井喷爆炸
Macondo Well, Gulf of Mexico
Related equipment → piping (piping)
11Fatalities
0Injuries
ExplosionMechanism code EXP
⌗Failure Mode · ISO 14224 Mapping
Damage mechanism (recorded in KB)
ExplosionEXP
Internal damage-mechanism code (not ISO 14224)
ISO 14224:2016 functional failure code
OTH · Other
Mapped to ISO OTH — Other.
1What Happened
2010-04-20 井喷爆炸起火，11 名工人死亡，墨西哥湾大量溢油
2Root Cause
井控/防喷器与水泥封固失效（跨行业映射至承压/管道）
3Reliability Lessons (from investigation root cause)
- The 'Root Cause' above is the core lesson of this accident; not split further.
4Associated Failure Mechanisms (Keywords)
井喷 防喷器 爆炸 海上 油气
About the Failure-Mode Code (click to expand)
The mechanism code EXP shown on this card is the KB's internal damage-mechanism abbreviation (not an ISO 14224 code); it describes how the equipment failed. The 'ISO 14224 Mapping' block above maps it to the correct ISO functional failure code (which describes what the equipment failed to do) — these are two distinct dimensions in ISO 14224. The mechanism follows the narrative in the card body.
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 2016-04-20）
↗Related Failure Modes · Traceability
This accident is not yet linked to a specific FM traceability card.