DNVGL-OS-E101 Drilling facilities
equipment. Ch.2 Sec.7 New section covering hoisting, rotating and handling systems (previously covered by Ch.2 Sec.5 in July 2015-edition). Ch.2 Sec.7 [1] New subsection on well barriers, including alternatives on how these may be arranged. Ch.2 Sec.7 [3] Drilling fluid circulation and cementing systems provide well influx prevention (WIP).
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