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公开(公告)号：US20080271896A1
公开(公告)日：2008-11-06
申请号：US11596762
申请日：2005-05-23
IPC分类号： E21B43/01
CPC分类号： E21B19/006 , E21B17/07
摘要： The present invention relates to a heave compensator for a riser, particularly a working riser (9), comprising a telescopic connection (10) with a first chamber (60) which is in fluid connection with the interior of the riser and a second chamber (62) which is connected with a source of pressure fluid. By varying the pressure in the second chamber in response to the movements of the platform, the telescopic connection can be arranged to move in correspondence with the platform's movements, thereby permitting access to the riser during working operations.
摘要翻译： 本发明涉及一种用于提升管，特别是工作提升管（9）的升沉补偿器，其包括具有与提升管内部流体连通的第一室（60）的伸缩连接件（10）和第二室 62），其与压力流体源连接。 通过响应于平台的移动来改变第二室中的压力，伸缩连接可以被布置成与平台的运动相对应地移动，从而允许在工作操作期间进入提升管。
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公开(公告)号：US20110005767A1
公开(公告)日：2011-01-13
申请号：US12734562
申请日：2008-11-07
IPC分类号： E21B17/01
CPC分类号： E21B19/006 , E21B33/076
摘要： The present invention regards a riser system comprising at least one riser extending from a subsea wellhead to a surface vessel, tension means for keeping the at least one riser tensioned, which tension means are connected to the vessel, a upper workover riser package (UWRP) located at the upper section of the riser and arranged to seal off the riser passage. According to the invention the UWRP is located below the connection point of the tension means to the vessel, giving the UWRP a position stationary relative a seabed, and that the UWRP comprises an interface adapted for the connection of different kinds of workover equipment. The invention also regards a method for inserting tools into a riser.
摘要翻译： 本发明涉及一种提升管系统，其包括至少一个从海底井口延伸到地面船舶的提升管，用于保持至少一个提升管张紧的张紧装置，该张力装置连接到该船上，上部修井提升管包装（UWRP） 位于提升管的上部并且布置成密封提升管通道。 根据本发明，UWRP位于紧张装置的连接点下方到容器，给予UWRP相对于海底静止的位置，并且UWRP包括适于连接不同种类修井设备的接口。 本发明还涉及一种将工具插入立管中的方法。
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公开(公告)号：US09022127B2
公开(公告)日：2015-05-05
申请号：US12734562
申请日：2008-11-07
IPC分类号： E21B17/01 , E21B19/00 , E21B33/076
CPC分类号： E21B19/006 , E21B33/076
摘要： The present invention regards a riser system comprising at least one riser extending from a subsea wellhead to a surface vessel, tension means for keeping the at least one riser tensioned, which tension means are connected to the vessel, a upper workover riser package (UWRP) located at the upper section of the riser and arranged to seal off the riser passage.According to the invention the UWRP is located below the connection point of the tension means to the vessel, giving the UWRP a position stationary relative a seabed, and that the UWRP comprises an interface adapted for the connection of different kinds of workover equipment. The invention also regards a method for inserting tools into a riser.
摘要翻译： 本发明涉及一种提升管系统，其包括至少一个从海底井口延伸到地面船舶的提升管，用于保持至少一个提升管张紧的张紧装置，该张力装置连接到该船上，上部修井提升管包装（UWRP） 位于提升管的上部并且被布置成密封提升管通道。根据本发明，UWRP位于紧张装置的连接点的下方到容器，使得UWRP相对于海床静止的位置，并且 UWRP包括适于连接不同种类的修井设备的接口。 本发明还涉及一种将工具插入立管中的方法。
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