The influx of a shallow gas kick during top hole drilling operations without a riser can result in critical well control and safety problems for both the dirlling rig and personnel. With appropriate well planning tools these top hole challenges and possible corrective actions can be addressed prior to and during these drilling operaitons. Based on modifications to an existing gas kick simulator package, such a well planning tool has been developed and demonstrated for the simulation and analysis of possible shallow gas kick scenarios.
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