Investigation Report
Loss of Well Control and Oil-Based Mud Spill from Wellhead
11-18-2006 13:15 G12761 WC/130 Pollution - Surface Equipment Failure or Procedures
- BSEE
- Investigation Report
- Unknown
- Environmental protectionHydrocarbon releaseMechanical failureWell control
- Drilling
- Wellhead
- Competence and training
- Upstream oil and gas
- Marine waters
Summary
An investigation records loss of well control and mineral oil-based mud spilling into the Gulf after a packing gland nut and hold-down pin were forced from a wellhead flange. It identifies inadequate training and contributing well-operation failures, and recommends designated personnel trained for wellhead work.
Classifications: Environmental protection; environmental safety; pollution prevention.
Classifications: Hydrocarbon release; hydrocarbon leak; oil and gas release.
Classifications: Mechanical failure; equipment failure.
Classifications: Well control; kick control; loss of well control.
Classifications: Drilling; well drilling.
Classifications: Wellhead; well head.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Marine waters.