A Study To Determine Necessity of Pilot Holes When Drilling Shallow Gas Zones Using Top Hole Dual Gradient Drilling Technology

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dc.contributorSchubert, Jerome
dc.creatorKing, Lauren
dc.date.accessioned2010-01-16T00:08:22Z
dc.date.accessioned2017-04-07T19:54:26Z
dc.date.available2010-01-16T00:08:22Z
dc.date.available2017-04-07T19:54:26Z
dc.date.created2009-05
dc.date.issued2010-01-16
dc.description.abstractWhen drilling offshore, shallow gas hazards are a major concern because of their potential to cause a major blowout. This is a special concern when drilling in shallower water, where the gas influx reaches the rig sooner. A common practice used to avoid the potential dangers of shallow gas is to drill a pilot hole through the shallow gas zone with the hope that the smaller diameter hole will prevent such a large influx. The use of dual-gradient top hole drilling technology would allow for a larger hole to be drilled and the possible gas influx to be killed dynamically, which I have simulated with the use of a top hole dual-gradient simulator.
dc.identifier.urihttp://hdl.handle.net/1969.1/ETD-TAMU-2009-05-591
dc.language.isoen_US
dc.subjectDual gradient drilling
dc.subjecttop hole drilling
dc.titleA Study To Determine Necessity of Pilot Holes When Drilling Shallow Gas Zones Using Top Hole Dual Gradient Drilling Technology
dc.typeBook
dc.typeThesis

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