Investigation Report
Lift Boat Legs Damage Gas Pipeline During Jack-Down Operations
05-02-2005 13:32 G02353 HI/110 Lift Boat Damages Pipeline
- BSEE
- Investigation Report
- Unknown
- Structural and asset integrityVessel collision
- Marine operations
- Process pipework and pipelines
- Safety communicationUnderground utility locating and verification
- Marine industryUpstream oil and gas
Summary
Investigation of the Audrey lift boat setting two legs onto a gas pipeline during jack-down operations. Sonar failed to locate the pipeline; impacts damaged its concrete coating and dented the pipe beneath the stern leg. The report examines missing location information and marking, and recommends pipeline surveys and operator notification before rig moves.
Classifications: Structural and asset integrity; asset integrity; structural integrity.
Classifications: Vessel collision; ship collision; marine allision.
Classifications: Marine operations; maritime operations.
Classifications: Process pipework and pipelines; process piping.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Underground utility locating and verification.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.