Safety Alert

Safety Alert 70 - Blowout During Workover

BSEEBureau of Safety and Environmental EnforcementBSEE Safety Alert 70

Safety Alert 70 - Blowout During Workover

Read at BSEEOpens the publisher’s page on bsee.gov

Summary

A workover well apparently swabbed in while a perforation wash tool was being withdrawn. A safety valve failed to close; sand in its working parts could have contributed. The alert recommends mud monitoring during pipe tripping, reserving safety valves for well control and checking valve operation before withdrawal.

Topics

About This Record
Publisher
Bureau of Safety and Environmental Enforcement
Type
Safety Alert
Reference
BSEE Safety Alert 70
Date
12 June 1978 (added from another catalogue record)
Topic
Mechanical Failure, Well Control
Activity
Well Intervention
Equipment
Valve
Control
Functional Testing
Sector
Upstream Oil and Gas
Link
Checked , working
Record
bsee-safety-alert-70 · added 2 September 2026

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