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Keywords: primary barrier envelope
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25256-MS
... overbalance can be regained dynamically to stop an influx, as well as circulate it from the wellbore. This fundamental difference from conventional drilling allows components of the primary barrier envelope to be used without having to activate secondary well control equipment, as the MPD system is designed...

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