Investigation Report

Dropped Spider Dog Safety Door Struck Floorhands During BOP Reinstallation Preparation

BSEEBureau of Safety and Environmental Enforcement

10-31-2020 18:00 G27277 MC 503 Injury - required evacuation - LTA (>3 days)

Read at BSEEOpens the document on bsee.gov

Summary

BSEE investigates a dropped spider dog safety door aboard the drillship West Neptune during preparation to reinstall a blowout preventer. The grating struck two floor hands, who were subsequently rescued and medically evacuated. Findings identify sheared securing bolts, inadequate secondary retention, failure to follow operating procedures and communication failures.

Topics

About This Record
Original title
10-31-2020 18:00 G27277 MC 503 Injury - required evacuation - LTA (>3 days)
Publisher
Bureau of Safety and Environmental Enforcement
Type
Investigation Report
Date
Unknown
Topic
Dropped Objects, Human Factors, Mechanical Failure
Activity
Inspection and Maintenance, Working at Height
Equipment
Fall Protection Equipment
Control
Evacuation, Escape and Rescue, Operating and Work Procedures, Positive Retention and Reliable Securing, Safety Communication
Sector
Upstream Oil and Gas
Setting
Vessel
Link
Checked , working
Record
bsee-321938552a · added 2 October 2026

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