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71. 发明公开

US20230407992A1 DIRECT TIE-IN OF A PIPELINE 审中-公开
公开(公告)号：US20230407992A1
公开(公告)日：2023-12-21
申请号：US18035398
申请日：2021-10-07
申请人： Equinor Energy AS
发明人： Erik LEVOLD , Håvar ILSTAD , Marie Finstad OPGÅRD
IPC分类号： F16L1/26 , F16L1/16
CPC分类号： F16L1/26 , F16L1/16
摘要： A method of installing a subsea pipeline having a direct tie-in between a first section of the pipeline and a subsea structure, wherein, after installation, the first section is located at a tie-in position. The method comprises: laying at least a portion of the pipeline from a laying vessel, the at least a portion of the pipeline including the first section and a second section of the pipeline, such that the first section is beyond the tie-in position in the laying direction, and the first section and the tie-in position are beyond the second section in the laying direction; either before, during or after said laying, configuring the second section such that bending will be preferentially induced in the second section of the at least a portion of the pipeline when the first section is pushed or pulled back to the tie-in position; pushing or pulling the first section back to the tie-in position, wherein, responsive to said pushing or pulling, bending is preferentially induced in the second section.

72. 发明授权

US10865911B2 Method of installing an in-line structure in a pipeline 有权
公开(公告)号：US10865911B2
公开(公告)日：2020-12-15
申请号：US16333656
申请日：2017-09-12
申请人： TECHNIP FRANCE
发明人： Martin Chalmers , Tomasz Tkaczyk
IPC分类号： F16L1/20 , F16L101/20 , F16L1/16 , F16L1/12
CPC分类号： F16L1/207 , F16L1/12 , F16L1/16 , F16L2101/20 , Y10T137/6123
摘要： A method of installing an In-Line Structure (ILS) to a fluid-filled pipeline extending from a reel, over an aligner, and through a lay-tower during offshore reeling, the pipeline having an oblique part from the reel to the aligner, and a vertical part from the aligner through the lay-tower, including at least the steps of: (a) draining fluid in the fluid-filled pipeline from the vertical part of the pipeline to create a drained portion of the vertical part of the pipeline up to and around the aligner; (b) cutting the pipeline at or near the draining of step (a) to create upper and lower open ends of the pipeline; (c) installing the In-Line Structure to at least the upper open end of the pipeline; (d) locating a vent hose through a vent port in the In-Line Structure; (e) adding fluid into the drained portion of the pipeline and venting air from the drained portion of the pipeline through the vent hose to wholly or substantially fill the drained portion of the pipeline with the fluid.

73. 发明申请

US20180087327A1 Termination Bulkheads for Subsea Pipe-in-Pipe Systems 审中-公开
公开(公告)号：US20180087327A1
公开(公告)日：2018-03-29
申请号：US15547762
申请日：2016-01-27
申请人： Acergy France SAS
发明人： Nathalie Delaunay , Gerald Gerometta
IPC分类号： E21B17/00 , F16L53/00 , F16L9/18 , E21B43/01
CPC分类号： E21B17/003 , E21B36/003 , E21B36/005 , E21B36/04 , E21B43/01 , E21B43/013 , F16L1/123 , F16L1/16 , F16L7/00 , F16L7/02 , F16L9/18 , F16L9/19 , F16L9/20 , F16L53/30 , F16L53/38 , F16L59/065 , F17D1/18 , F17D3/01 , H05B3/42 , H05B2214/03
摘要： A pipe-in-pipe bulkhead assembly has inner and outer rings spaced in concentric relation to define a thermally-isolating gap in the annulus between them. Interlocking formations project into the annulus from each of the rings, presenting confronting faces where they overlap radially. The gap extends between the longitudinally-spaced faces. A thermally-insulating spacer is interposed between the faces in the gap to carry axial mechanical loads between the inner and outer rings. Heating elements outside the inner ring extend longitudinally beyond the gap between the faces and along a longitudinal passageway that passes through or beside an interlocking formation of the inner ring. The spacer may be positioned before or after the outer ring is placed, for example as a discrete element or as an injected mass. An additional sealing mass may also be positioned in the annulus, for example by injection, to promote a gas-tight seal.

74. 发明申请

US20180066770A1 Method of Installing an Electrically-Heatable Subsea Flowline and Electrically-Heatable Subsea Flowline Thereof 审中-公开
公开(公告)号：US20180066770A1
公开(公告)日：2018-03-08
申请号：US15563322
申请日：2016-04-07
申请人： Subsea 7 Norway AS
发明人： Eskil Hoyvik
IPC分类号： F16L1/16 , F16L1/20 , F16L1/235 , F16L53/00 , H02G9/12
CPC分类号： F16L1/16 , F16L1/207 , F16L1/235 , F16L53/37 , F16L53/38 , H02G9/12
摘要： A method of installing an electrically-heatable subsea flowline includes launching the flowline with at least one electric power cable attached in piggybacked relation. After landing the flowline with the piggybacked cable on the seabed, a free end portion of the, or each, cable having a length greater than the water depth is released from the flowline. This allows a free end of the, or each, cable to be recovered to the surface to be spliced to one or more power supply conductors. After lowering the, or each, cable and the, or each, connected conductor beneath the surface, the free end portion of at least one cable is reattached to the flowline on the seabed in piggybacked relation. To perform the method, a subsea flowline assembly includes subsea-releasable fastenings spaced along the cable and the flowline to attach at least an end portion of the cable releasably to the flowline.

75. 发明授权

US09834907B1 System and method of concurrently trenching, laying and burying underwater pipeline 有权
公开(公告)号：US09834907B1
公开(公告)日：2017-12-05
申请号：US15299873
申请日：2016-10-21
申请人： Thomas S. Rooney
发明人： Thomas S. Rooney
IPC分类号： E02F5/00 , F16L1/12 , E02F5/10 , F16L55/11
CPC分类号： E02F5/107 , F16L1/123 , F16L1/16 , F16L1/202 , F16L55/11
摘要： A system and method for laying an underwater pipeline is provided. The present invention includes a plurality of pipe support rings connected together by tension cables. The tension cables are secured to a S or J laying ship by a winch. The plurality of pipe support rings form a pipe channel sized to guide the underwater pipeline. The present invention further includes a sea water pipe having a distal portion and a proximal end. The proximal end is fluidly connected with a pump on board the ship. The distal end includes a plurality of nozzles. The sea water pipe is disposed underneath the plurality of pipe support rings. The underwater pipeline is fed through the plurality of pipe support rings while the nozzles form a trench on a sea bed.

76. 发明申请

US20170307106A1 UNDERWATER PIPELINE SUPPORT, AND SYSTEM AND METHOD FOR SETTING UP SUCH A SUPPORT 审中-公开
公开(公告)号：US20170307106A1
公开(公告)日：2017-10-26
申请号：US15523566
申请日：2015-11-03
申请人： SAIPEM S.p.A.
发明人： Stefano Bianchi , Mauro Mottini
IPC分类号： F16L3/12 , F16L1/20 , F16L1/16
CPC分类号： F16L3/12 , F16L1/16 , F16L1/18 , F16L1/20
摘要： A support for an underwater pipeline, in particular configured to elevate an underwater pipeline on a bed of a body of water, with a connecting frame configured to fit to a portion of underwater pipeline extending along a longitudinal axis; and at least two legs, which are hinged to the connecting frame, and movable between a contracted configuration and an extended configuration in which they extend crosswise to the underwater pipeline to rest on the bed of the body of water.

77. 发明授权

US09587766B2 Method of installing pin piles into a seabed 有权
标题翻译：将桩桩安装在海床上的方法
公开(公告)号：US09587766B2
公开(公告)日：2017-03-07
申请号：US14786314
申请日：2014-04-11
申请人： TECHNIP FRANCE
发明人： John Oliphant , Abiola Ojo , Alasdair Maconochie
IPC分类号： E02D7/00 , F16L1/16 , F16L1/20 , E02D5/54 , E02D7/08 , E02D7/14
CPC分类号： F16L1/201 , E02D5/54 , E02D7/00 , E02D7/08 , E02D7/14 , F16L1/16
摘要： A method of installing a plurality of pin piles into a seabed including at least the steps of: (a) lowering a pin pile apparatus comprising a first pin pile and an attached clump weight towards the seabed; (b) allowing the first pin pile to self-penetrate the seabed based on self-weight of the pin pile apparatus and the momentum from step (a) until the clump weight reaches the sea bed; (c) disconnecting the clump weight from the first pin pile; and (d) recovering the clump weight for use with a second pin pile and repeating steps (a)-(c). In this way, the pin piles are easily installed from their descent to the seabed with the clump weight, which can then be removed and applied to the next pin pile in an easy and repeatable operation without requiring a suction apparatus or hammer or drill.
摘要翻译：一种将多个销桩安装在海床中的方法，至少包括以下步骤：（a）将包括第一针桩和附着的重量的针桩装置降低到海底; （b）允许第一针桩基于针桩装置的自重自重穿透海床，并且从步骤（a）到达重量达到海床的动量; （c）从第一针桩断开团块重量; 和（d）回收与第二针桩一起使用的重量，并重复步骤（a） - （c）。以这种方式，销桩很容易从下沉到海床，并且可以以简单且可重复的操作将其卸下并施加到下一个针桩上，而不需要抽吸装置或锤子或钻头。

78. 发明申请

US20160348808A1 SMART SUBSEA PIPELINE 审中-公开
标题翻译： SMART SUBSEA管道
公开(公告)号：US20160348808A1
公开(公告)日：2016-12-01
申请号：US14912012
申请日：2014-11-25
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： Todd J. Green , Alexis Wachtel , William Markus , John L. Maida
IPC分类号： F16L1/20 , F16L59/14 , F16L1/15 , H01P3/127 , F16L53/00 , G02B6/44 , G02B6/50 , E21B47/12 , F16L1/16
CPC分类号： F16L1/20 , E21B17/206 , E21B47/123 , F16L1/15 , F16L1/16 , F16L1/161 , F16L9/22 , F16L53/37 , F16L59/14 , F17D1/05 , F17D1/08 , F17D5/06 , G02B6/4463 , G02B6/50 , H01P3/127
摘要： Pipeline segments can contain cables, such as communication cables (e.g., fiber optic cables) within insulation material surrounding the pipeline segments. Cables can be embedded within the insulation material, run through conduits embedded within the insulation material, placed in channels formed in the insulation material, or otherwise. Channels containing one or more cables can be filled with supplemental insulation material, thus securing the cables within the channels. Pipelines created as disclosed herein can enable data transfer between distant points without the need to lay fiber optic cable in addition to the pipeline. Further, fiber optic cable embedded thusly can be used to sense conditions in the pipeline, such as leaks, seismic activity, strain, and temperature information.
摘要翻译：管道段可以包含电缆，例如围绕管道段的绝缘材料内的通信电缆（例如，光纤电缆）。电缆可以嵌入绝缘材料内，穿过嵌入绝缘材料的管道，放置在绝缘材料中形成的通道中，或以其他方式。包含一个或多个电缆的通道可以填充补充绝缘材料，从而将电缆固定在通道内。如本文所公开创建的管道可以实现远距离点之间的数据传输，而不需要除了管道之外铺设光纤电缆。此外，如此嵌入的光纤电缆可用于检测管道中的状况，例如泄漏，地震活动，应变和温度信息。

79. 发明申请

US20160347422A1 Transportation and Installation of Subsea Rigid Tie-In Connections 有权
标题翻译：海底刚性连接的运输和安装
公开(公告)号：US20160347422A1
公开(公告)日：2016-12-01
申请号：US15111788
申请日：2015-01-14
申请人： ACERGY FRANCE SAS
发明人： Brice Viellard
IPC分类号： B63B21/66 , B63B35/44 , E21B43/017
CPC分类号： B63B21/66 , B63B35/44 , B63C11/52 , B63G8/22 , B63G2008/425 , E21B43/013 , E21B43/017 , F16L1/16 , F16L1/24 , F16L1/26
摘要： A method of transporting a rigid tie-in connection across a body of water for installation underwater is disclosed. The method includes the step of supporting the tie-in connection in the water by buoyancy acting on a frame that supports the tie-in connection until installation. The buoyancy-supported frame is lowered and the tie-in connection into a sub-surface transit configuration. The method further includes in the transit configuration, towing the buoyancy-supported frame and the tie-in connection behind a towing vessel toward an installation site. Also disclosed is a system for implementing the method. The system includes a towable frame arranged to support the tie-in connection until installation and an external buoyancy attached to the frame by an extensible suspension link arranged to suspend the frame from the buoyancy in water in use. The link is extensible to lower the frame from a raised surface-tow configuration into a lowered sub-surface transit configuration.
摘要翻译：公开了一种用于在水下安装用于运输刚性连接穿过水体的方法。该方法包括以下步骤：通过作用在支撑接合连接的框架上的浮力来支撑水中的连接连接，直到安装。浮力支撑的框架被降低，并且连接连接成为亚表面运输配置。该方法还包括在运输配置中，将牵引支撑的框架和牵引船后面的连接连接件朝向安装地点拖动。还公开了一种用于实现该方法的系统。该系统包括布置成支撑连接连接直到安装的可拖动框架，以及通过布置成将框架从使用中的水中浮力悬挂的可延伸悬挂连接件附接到框架的外部浮力。该链接是可扩展的，以将框架从升高的表面丝束构造降低到降低的亚表面转运配置。

80. 发明申请

US20160290530A1 PIPELINE FREESPAN SUPPORT 审中-公开
公开(公告)号：US20160290530A1
公开(公告)日：2016-10-06
申请号：US15176189
申请日：2016-06-08
申请人： DMAR ENGINEERING, INC.
发明人： ZHIMING HUANG , DAGANG ZHANG
IPC分类号： F16L1/14 , F16L3/08 , F16L1/20 , F16L3/00 , F16L1/16
CPC分类号： F16L1/14 , E04G1/06 , E04G7/24 , F16L1/123 , F16L1/16 , F16L1/20 , F16L3/00 , F16L3/02 , F16L3/08 , F16L3/22
摘要： Apparatus and methods related to pipeline freespan support are described. For example, some embodiments may contain an upper structure, which contains at least four legs connected to one another by a number of bracing members, and a number of attachment points through which the upper structure can be lifted, and a lower structure, which contains at least four posts that can be connected to, and disconnected from as needed, the four legs of the upper structure, two spaced mud mats on which the posts stand, and at least two horizontal arms that can be attached to the posts, rotate about the posts, connect to and be locked with the posts on the other mud mat, and be lifted to an appropriate height to provide suitable support at the pipeline freespan location.

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