Investigation Report
Synthetic Oil-Based Mud Discharge During Mud Pill Pit Cleaning
09-13-2017 07:09 G15610 GC 782 A Pollution
- BSEE
- Investigation Report
- Unknown
- Environmental protectionLoss of containment
- Fluid transfer
- Valve
- Operating and work proceduresSafety communication
- Upstream oil and gas
- Marine watersOffshore installation
Summary
BSEE investigates a synthetic oil-based mud discharge during mud pill pit cleaning on the Mad Dog Spar Rig. Findings identify incorrect valve alignment despite checklist verification as the primary cause, with a leaking splitter valve a possible contributor. The report records crew discussions and valve-verification policies.
Classifications: Environmental protection; environmental safety; pollution prevention.
Classifications: Loss of containment; containment loss.
Classifications: Fluid transfer; fluid loading; fluid offloading.
Classifications: Valve; valves.
Classifications: Operating and work procedures.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Marine waters.
Classifications: Offshore installation; offshore platform; offshore rig.