公开(公告)号：US20190352981A1

公开(公告)日：2019-11-21

申请号：US16528599

申请日：2019-07-31

申请人： Keppel Offshore & Marine Technology Centre Pte Ltd

发明人： Boon Lee TAN ,  Anis Altaf Hussain ,  Aziz Amirali MERCHANT ,  Leng Yeow ONG ,  Boon Seng LIM ,  Yizhe Lester PHONG

IPC分类号： E21B19/14 ,  E21B19/16 ,  E21B15/00 ,  B63B35/44 ,  E21B19/00 ,  E21B15/02

摘要： This invention relates to a drilling rig or a drill ship having a first activity centre with a main well, a second activity centre with an auxiliary well and a third activity centre with offline casing and drill pipe stand-building capabilities. The offline casing and drill pipe stand-building facility is a standalone feature and can be located in the forward or aft side of a drilling rig or drill ship depending on the choice of the builder or operator.