公开(公告)号：US20140060416A1

公开(公告)日：2014-03-06

申请号：US14061454

申请日：2013-10-23

Applicant: Itrec B.V.

Inventor： Joop Roodenburg ,  Diederick Bernardus Wijning

IPC: B63B27/04 ,  B63B35/44

CPC classification number: E21B15/02 ,  B63B21/507 ,  B63B27/04 ,  B63B35/44 ,  B63B35/4413 ,  B63B2003/147 ,  E21B19/002 ,  E21B19/004 ,  E21B19/006 ,  E21B19/02 ,  E21B19/09 ,  E21B19/143 ,  E21B19/155 ,  E21B19/16

Abstract: A monohull offshore drilling vessel includes a hull having a moonpool; a multiple firing line hoist system mounted on the hull at the moonpool and including a mast having a top side and a base connected to the hull, wherein the mast has a hollow construction with a first side and an opposed second side; a first hoisting device having load attachment means displaceable along a first firing line extending on the outside of and adjacent to the first side of the mast; a second hoisting device having load attachment means displaceable along a second firing line, which on the outside of and adjacent to the second side of the mast; wherein the first and second hoisting devices each include cable(s) and associated winch(es), the winches disposed in the hollow construction of the mast, to manipulate the position of each of the load attachment devices relative to the mast.

Abstract translation: 单体海上钻井船包括具有月球的船体; 安装在月球上的船体上并包括具有连接到船体的顶侧和底座的桅杆的多重起火线葫芦系统，其中桅杆具有中空结构，其具有第一侧和相对的第二侧; 第一提升装置具有沿着在所述桅杆的第一侧的外侧延伸的第一起火线可移位的负载附接装置; 第二提升装置，具有可沿着所述桅杆的第二侧的外侧并与其邻近的第二起火线移动的负载附接装置; 其中所述第一和第二提升装置各自包括电缆和相关联的绞盘，所述绞盘设置在所述桅杆的中空结构中，以操纵每个所述负载附接装置相对于所述桅杆的位置。