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公开(公告)号：US09856705B2
公开(公告)日：2018-01-02
申请号：US14760440
申请日：2014-01-13
Applicant: Maersk Drilling A/S
Inventor： Michael Kannegaard , Allan McColl
CPC classification number: E21B19/002 , E21B15/02 , E21B19/143 , E21B19/155
Abstract: Embodiments of an offshore drilling rig including—a drill floor deck having a hole defining a first well center;—a first mast upwardly extending relative to the drill floor deck;—a first hoisting system supported by the first mast and configured for hoisting and lowering tubular equipment through the first well center; wherein the load bearing structure of the first hoisting system is displaced from and located on a first side of the first well center;—first pipe handling equipment for moving tubular equipment to the first hoisting system so as to allow the first hoisting system to hoist or lower the tubular equipment through the first well center; wherein the first pipe handling equipment is operable to move tubular equipment at least partly underneath the load bearing structure and/or through a gap formed in said load bearing structure.
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公开(公告)号：US20160032659A1
公开(公告)日：2016-02-04
申请号：US14777017
申请日：2014-03-17
Applicant: MAERSK DRILLING A/S
Inventor： Michael KANNEGAARD , Allan McCOLL , Jesper HOLCK
CPC classification number: E21B15/02 , E21B3/02 , E21B7/12 , E21B19/084 , E21B19/143 , E21B21/001
Abstract: An offshore drilling rig comprising a drill deck, at least one work center arranged in the drill deck; a diverter system operatively connectable at least to a riser extending towards the seafloor; a hoisting system adapted for raising or lowering tubular equipment through the work center; wherein the offshore drilling rig comprises a first positioning system configured for positioning at least the work center and/or the diverter system and/or a riser tensioning system selectively at a first horizontal position and a second horizontal position, different from the first horizontal position; and wherein the hoisting system is operable to raise or lower tubular equipment through the work center when said work center is positioned at said first horizontal position.
Abstract translation: 一种海上钻机，包括钻台，布置在钻机甲板中的至少一个工作中心; 分流器系统至少可操作地连接到朝向海底延伸的立管; 提升系统，适于通过工作中心升高或降低管状设备; 其中所述海上钻机包括第一定位系统，所述第一定位系统被配置为至少定位所述工作中心和/或转向系统和/或提升板张紧系统，所述第一定位系统选择性地位于不同于所述第一水平位置的第一水平位置和第二水平位置; 并且其中当所述工作中心位于所述第一水平位置时，所述提升系统可操作以通过所述工作中心升高或降低管状设备。
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公开(公告)号：US11482753B2
公开(公告)日：2022-10-25
申请号：US16643723
申请日：2018-09-03
Applicant: MAERSK DRILLING A/S
Inventor： John Røn Pedersen
IPC: H02J3/30 , H02J3/32 , H02J7/00 , H01M10/613 , H01M10/0525 , H01M10/6567 , H01M10/627 , H01M10/6552 , H01M50/24 , H01M50/20
Abstract: A fire-resistant energy storage device includes a fire-resistant chassis, one or more energy storage elements housed in the fire-resistant chassis, and a heat exchanger configured to (a) cool the one or more energy storage elements and (b) protect the one or more energy storage elements from a fire external to the fire-resistant energy storage device. An energy storage assembly includes (a) a plurality of physically separate fire-resistant energy storage devices, each of the plurality of physically separate fire-resistant energy storage devices being configured to protect one or more energy storage elements of the fire-resistant energy storage device from a fire external to the fire-resistant energy storage device, and (b) at least one power converter configured to electrically interface the plurality of physically separate fire-resistant energy storage devices with an electric power buss.
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公开(公告)号：US11421503B2
公开(公告)日：2022-08-23
申请号：US16970321
申请日：2019-02-14
Applicant: MAERSK DRILLING A/S
Inventor： Allan McColl
IPC: E21B33/064 , E21B33/038 , E21B17/01 , E21B17/08 , E21B33/035 , E21B33/06
Abstract: A control system for controlling disconnection of riser system that extends between a vessel and a subsea location that comprises a wellbore, the riser system configured to receive a string in use, the control system being configured to disconnect the riser system according to a sequence of operations, the sequence of operations comprising disconnecting the riser system prior to or simultaneous with cutting the string and sealing the well bore.
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公开(公告)号：US11377913B2
公开(公告)日：2022-07-05
申请号：US16989181
申请日：2020-08-10
Applicant: MAERSK DRILLING A/S
Inventor： William James McBeath
Abstract: Disclosed herein are embodiments of an offshore drilling rig comprising: a drill floor (107) defining a well center (123); a hoisting system configured to advance a tubular string (128) downwards through the well center (123) and to the seafloor (124) and to apply a lifting force to a tubular string (128) extending through the well center (123) and to the seafloor (124), the lifting force being large enough to support at least a major part of an apparent weight of the tubular string (128); and an anti-recoil system (218) configured to cause, in case of a sudden reduction of a load suspended from the drilling rig, the hoisting system to raise the tubular string (128) while preventing damage to the hoisting system.
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Patent Agency Ranking
公开(公告)号：US11299939B2
公开(公告)日：2022-04-12
申请号：US16484413
申请日：2018-02-09
Applicant: MAERSK DRILLING A/S
Inventor： Nikolaj Golovinskij
Abstract: A support system (12; 12′) for providing horizontal support to a riser (32) extending downward from a cantilever (18) along a well centre and into a body of water comprising a riser interface (48; 48′) and a tether arrangement (50; 50′). The support system (12; 12′) is configured to permit asymmetric placement of the riser interface (48; 48′) relative to the cantilever (18).
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公开(公告)号：US11028549B2
公开(公告)日：2021-06-08
申请号：US15771688
申请日：2016-10-06
Applicant: MAERSK DRILLING A/S , TOTAL E&P DANMARK A/S
Inventor： Michael Kannegaard , Hicham Chajai , Zhanibek Yerkinovich Rakhmetov
IPC: E02B17/02 , E21B33/035 , E21B33/043 , E21B33/14 , E21B41/08 , E21B19/00
Abstract: Without limitation, embodiments of the present invention relates to an offshore wellhead platform (100), the offshore wellhead platform (100) comprising a configurable support structure (200) for supporting upper parts of a plurality of conductors (210) through which one or more well processing tasks can be performed, wherein the configurable support structure (200) further provides a first position (150) and a second position (160) for the conductors (210), and the offshore wellhead platform (100) allows movement of an upper part of a conductor (210) between its first (150) and second position (160). In this way, efficiency when processing a plurality of wells is provided since repositioning of the well center is not needed or needed significantly less. Effectively, the wells are brought to the well center so-to-speak instead of the well center needing to be moved to each well.
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公开(公告)号：US10907316B2
公开(公告)日：2021-02-02
申请号：US15771684
申请日：2016-10-31
Applicant: Maersk Drilling A/S , TOTAL E&P DANMARK A/S
Inventor： Michael Kannegaard , John Anthony Gill , Jeanne Mia Lønstrup , Meinte Van Der Brug
Abstract: An offshore platform for use in combination with an offshore rig comprises an upper deck defining an upper deck aperture which is alignable with a rig aperture of the offshore rig, when said offshore rig extends over the upper deck, to permit objects to extend between the offshore rig and through the upper deck. The offshore platform further includes a sheath arrangement aligned with the upper deck aperture and extending upwardly relative to the upper deck to be alignable with the rig aperture, wherein the sheath arrangement defines a confinement zone for confining objects which pass downwardly from the offshore rig through the rig aperture.
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公开(公告)号：US20200277031A1
公开(公告)日：2020-09-03
申请号：US16645602
申请日：2018-09-10
Applicant: MAERSK DRILLING A/S
Inventor： John Røn PEDERSEN
Abstract: A controller for a dynamic positioning system, the controller being configured to determine a position of a vessel relative to a target position and to control a propulsion system of the vessel based on the determined position of the vessel relative to the target position, wherein the controller is configured to monitor a property of at least part of a riser; and adjust the control of the propulsion system accordingly.
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公开(公告)号：US10483765B2
公开(公告)日：2019-11-19
申请号：US15552276
申请日：2016-02-22
Applicant: MAERSK DRILLING A/S
Inventor： John Røn Pedersen
IPC: H02J5/00 , E21B41/00 , H01F27/24 , H01F27/28 , H02J3/30 , H02J3/32 , H02J3/38 , H02P9/02 , H02J4/00 , E21B19/00 , H02P27/06 , H02J3/14
Abstract: A power generation and distribution system for a drilling rig includes (1) an AC bus and a DC bus, (2) an AC generator electrically connected to the AC bus, (3) an AC bus load electrically connected to the AC bus, (4) a first power transformer configured to convert a plurality of voltage phases of the AC bus into a plurality of corresponding secondary side voltage phases, (5) a first unidirectional AC-DC power converter connected between the secondary side voltage phases of the first power transformer and the DC bus, (6) one or more DC bus loads connected to the DC bus, and (7) a second AC-DC power converter connected between the DC bus and at least one of an auxiliary transformer winding of the first power transformer and a second power transformer for supplying power from the DC bus to the AC bus.
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