Investigation Report
Gas Surge Expelled Drilling Mud Through Degasser Vent Line
08-04-2009 11:30 G32536 GC/858 Pollution
- BSEE
- Investigation Report
- Unknown
- Environmental protectionLoss of containmentWell control
- Drilling
- Upstream oil and gas
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Summary
This investigation examines gas breaking out of drilling mud after a kick and well-killing operations. A surge expelled mud through the degasser vent line; approximately five barrels were unaccounted for and believed lost overboard. The report identifies insufficient mud parameters to control gas influx and records no recommendations.
Classifications: Environmental protection; environmental safety; pollution prevention.
Classifications: Loss of containment; containment loss.
Classifications: Well control; kick control; loss of well control.
Classifications: Drilling; well drilling.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.