Investigation Report
Shallow Gas Vented Between Conductor and Drive Pipe During Drilling
09-07-2007 06:15 G27858 VR/167 LWC Surface - Shutdown from Gas Release - Other
- BSEE
- Investigation Report
- Unknown
- Hydrocarbon releaseWell controlWell integrity
- Drilling
- Upstream oil and gas
Read at BSEEOpens the document on bsee.gov
Summary
This investigation examines a drilling incident involving apparent conductor-casing cement sheath failure and shallow gas venting between the conductor and drive pipe. Possible contributors include slurry contamination, gas migration, thermal expansion and mechanical vibration. The report records no personnel injuries or pollution of Gulf waters.
Classifications: Hydrocarbon release; hydrocarbon leak; oil and gas release.
Classifications: Well control; kick control; loss of well control.
Classifications: Well integrity; well life cycle integrity.
Classifications: Drilling; well drilling.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.