Investigation Report
Pressure Burst Expels BOP and Lubricator During Wireline Plug Removal
08-15-2008 12:00 G03135 VR/267 Required Evacuation - LT (>3 days) - Lubricator blew off well
- BSEE
- Investigation Report
- Unknown
- Line of firePressure systemsSlips, trips and fallsWell control
- Pressure testingWell intervention
- Blowout preventer
- Job safety analysisManagement of changeOperating and work proceduresStop-work authority
- Upstream oil and gas
- Offshore installation
Summary
Investigation of a wireline incident at VR-267-I platform during removal of a modified DX plug. Unequalised pressure and an unsuitable pulling tool preceded a pressure burst that expelled the BOP and lubricator. The operator suffered facial injuries while falling to escape. Findings address pressure testing, approved procedures, job safety analysis and stop-work practices.
Classifications: Line of fire; struck-by hazards.
Classifications: Pressure systems; stored pressure; pressurised systems; pressurized systems.
Classifications: Slips, trips and falls; same-level falls.
Classifications: Well control; kick control; loss of well control.
Classifications: Pressure testing; hydrostatic testing; pneumatic testing.
Classifications: Well intervention; workover; well servicing.
Classifications: Blowout preventer; BOP; blow-out preventer.
Classifications: Job safety analysis; JSA; job hazard analysis; JHA.
Classifications: Management of change; MOC; change management.
Classifications: Operating and work procedures.
Classifications: Stop-work authority; stop work; stop-work intervention.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.