Investigation Report
Drill Pipe and Bottom Hole Assembly Dropped During Well Abandonment
04-01-2022 08:15 G19409 AC 815 Other Lifting: Top Drive
- BSEE
- Investigation Report
- Unknown
- Dropped objects
- Inspection and maintenanceROV operationsWell abandonment
- Non-destructive testing
- Upstream oil and gas
- Offshore installation
Summary
Investigation of drill pipe and a bottom hole assembly dropped during well abandonment from the Helix Q-4000. Weight-indicator records placed separation on 31 March, before discovery on 1 April 2022. The report identifies inadequate connection torque, describes ROV surveys and ultrasonic inspection, and reports no subsea infrastructure damage.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: ROV operations; remotely operated vehicle operations.
Classifications: Well abandonment; plug and abandonment; P&A.
Classifications: Non-destructive testing; NDT; non-destructive examination; NDE.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.