WO2012167717A1 - 一种基于锚墩固定的海底输油输气软管管线 - Google Patents

一种基于锚墩固定的海底输油输气软管管线 Download PDF

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Publication number
WO2012167717A1
WO2012167717A1 PCT/CN2012/076495 CN2012076495W WO2012167717A1 WO 2012167717 A1 WO2012167717 A1 WO 2012167717A1 CN 2012076495 W CN2012076495 W CN 2012076495W WO 2012167717 A1 WO2012167717 A1 WO 2012167717A1
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Prior art keywords
hose
cable
oil
anchor pier
clamp
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Ceased
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PCT/CN2012/076495
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English (en)
French (fr)
Inventor
张爱晖
张大地
张修
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Zhejiang University ZJU
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Zhejiang University ZJU
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Priority to US14/124,670 priority Critical patent/US9033615B2/en
Publication of WO2012167717A1 publication Critical patent/WO2012167717A1/zh
Anticipated expiration legal-status Critical
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/26—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting the pipes all along their length, e.g. pipe channels or ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/12—Laying or reclaiming pipes on or under water
    • F16L1/123—Devices for the protection of pipes under water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/12—Laying or reclaiming pipes on or under water
    • F16L1/16—Laying or reclaiming pipes on or under water on the bottom
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
    • F16L3/20—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction

Definitions

  • the invention relates to the field of offshore operation systems such as offshore oil production and gas production, and particularly relates to a hose pipeline for conveying crude oil and oil and gas under the sea.
  • the submarine oil pipeline is one of the key structural structures in the deep sea oil production system.
  • the design, construction and operation management of the traditional steel pipeline oil pipeline are more and more difficult, and the construction cost is getting higher and higher.
  • the technical problem to be solved by the invention is to provide a submarine oil and gas pipeline pipe which is safe and reliable, convenient to construct, fast in construction speed and low in cost.
  • a submarine oil and gas pipeline line fixed on an anchor pier comprising a cable and a hose for oil and gas transmission, wherein the cable is provided with an anchor pier assembly for preventing drift of the cable on the seabed, and A constraint assembly that constrains the hose.
  • the anchor pier assembly includes a first clamp for connection to a cable, and a first clamp fixed to the gravity block, the gravity block being placed directly on the seabed.
  • the constraint assembly includes a restraining strip and a second clamp disposed at two ends of the restraining strip, the end of the second clamp is provided with a positioning groove, the cable is clamped and fixed in the positioning groove, and the hose sleeve is connected at the end of the end Within the restraint band on the cable.
  • the end of the hose is provided with a hose joint
  • the hose joint includes a connecting pipe and a reinforcing hoop with a bolt
  • the hose is sleeved on the connecting pipe
  • the reinforcing hoop is sleeved on the
  • the outlet end of the connecting pipe is provided with a connecting portion for mounting connection.
  • the invention adopts The hose is used to realize oil and gas transmission, and the cable is provided with an anchor pier assembly and a restraining component for restraining the hose in turn, which can effectively restrain the hose, realize reliable oil and gas transmission, and prevent the hose from being large on the seabed.
  • the drift of displacement has the advantages of good hose protection, firm and reliable, and low cost;
  • the invention adopts The hose is used to realize oil and gas transmission.
  • the hose is light in weight, does not need anti-rust treatment, can be folded, can be rounded on the drum, and will not cause buckling damage of the pipeline due to seawater pressure during construction, and there are few joints.
  • the laying speed is fast; when the hose is used to transport oil and gas, the pressure generated by the oil and gas in the hose can be balanced by the sea pressure outside the hose, the stress on the hose wall is small, and the material is saved;
  • the proportion of oil and gas in the pipe is smaller than that of seawater.
  • the oil and gas in the hose can be affected by the buoyancy of seawater. Under the action of buoyancy, the oil and gas will have a tendency to move to the sea surface in the pipeline, which can reduce the pipeline transportation pressure;
  • the hose and cable of the present invention are both flexible structures, and both the seabed acceleration caused by the submarine earthquake and the displacement of the seabed have a very small effect on the pipeline structure of the present invention.
  • FIG. 1 is a schematic structural view of a pipeline according to an embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional structural view of a pipeline according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of an anchor pier assembly according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a constraint component according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural view of a hose joint according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural view of a laying application according to an embodiment of the present invention.
  • the hose line for submarine oil and gas transmission in the embodiment of the present invention includes a cable 1 And the hose 2 for the oil and gas transmission, the cable 1 is provided with an anchor pier assembly 3 for preventing the drift of the pipeline and a restraining component 4 for restraining the hose 2 in this order.
  • the anchor pier assembly 3 includes a gravity block 31 and a first clamp 32, and the first clamp 32 and the cable 1 Connected, gravity block 31 is placed on the seabed, and the structure is simple and reliable.
  • the restraining assembly 4 includes a restraining belt 41 and a second clamp 42 disposed at both ends of the restraining belt 41, and a second clamp
  • the end of the 42 is provided with a positioning slot 421
  • the cable 1 is clamped and fixed in the positioning slot 421
  • the hose 2 is sleeved in the restraining strip 41 which is connected end to end on the cable 1.
  • Constraint component 4 The simple structure and low cost make it possible to secure the hose 2 without damaging the hose 2 .
  • the constraint assembly 4 Before the cable 1 is clamped and fixed, the constraint assembly 4 is provided with a second clamp at both ends 42 The strip is clamped and fixed to the cable 1 during use, then the restraining strip 41 is placed over the hose 2, and finally the other second clamp 42 is clamped to the cable 1 The installation of the Constraint Component 4 can be achieved.
  • the end of the hose 2 is provided with a hose joint 21, and the hose joint 21 includes a connecting pipe 211. And a reinforcing ferrule 213 with a bolt, the hose 2 is sleeved on the connecting pipe 211, and the reinforcing ferrule 213 is sleeved on the joint portion of the hose 2 and the connecting pipe 211, and the connecting pipe 211
  • the outlet end is provided with a connection portion 212 for mounting the connection.
  • the structure of the hose connector 21 can be used on the one hand for the hose 2 Connection to other connectors, for example to underwater, offshore production equipment, on the other hand to hose 2
  • the extension is long and the connection structure is firm and reliable, and can effectively bear the tensile force applied to the pipeline during construction.
  • the hose 2 is sleeved on the connecting pipe 211 to form a sealed connection, and the sealing is safe and reliable.
  • Connection portion 212 Bolt holes are provided for connection to the flanges of other equipment.
  • the cable 1 Steel cables are used, and cables made of other materials may be used.
  • the number of cables may be two or more.
  • Hose 2 It is formed by winding high-strength fiber and primer material.
  • the high-strength fiber can be made of carbon fiber, glass fiber, aramid fiber or other high-strength fiber; or it can be made of ordinary plastic or rubber material.
  • Constraint component 4 In addition to the shape disclosed in the embodiment, other structures may be employed as long as the hose 2 can be restrained, the restraining belt 41 Steel plates, steel bars, steel cables, steel wires or fiber products can be used.
  • the gravity block 31 in the anchor pier assembly Concrete blocks are used, and other materials can be used to form box-shaped containers or bag-shaped containers filled with sand or stones, as long as the gravity block can provide sufficient self-weight and can fix the first jig. All steel materials in contact with seawater in this embodiment can be subjected to anti-rust coating treatment or cathodic protection and anti-rust treatment.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Earth Drilling (AREA)

Abstract

一种基于锚墩固定的海底输油输气软管管线被提供，它包括线缆（1）和用于输油输气的软管（2），线缆（1）上依次设有防止管线在海底漂移的锚墩组件（3）和用于约束软管（2）的约束组件（4），锚墩组件（3）包括重力块（31）和第一夹具（32），第一夹具（32）与线缆（1）相连。该软管管线采用软管（2）来实现输油输气，且线缆（1）上依次设有锚墩组件（3）和用于约束软管（2）的约束组件（4），可以有效约束软管，实现可靠的输油输气，防止软管在海底发生大位移的漂移，具有软管保护好、牢固可靠、成本低，安全可靠、施工方便容易且速度快的优点。

Description

一种基于锚墩固定的海底输油输气软管管线 技术领域
本发明涉及海上采油、采气等海上作业系统领域，具体涉及一种海底输送原油和油气的软管管线。
背景技术
随着沿海地区和浅水区储备油气资源的日益枯竭，深水区油气资源的开采和生产成为了海洋能源开发的目标。目前发现的大型海上油田大多处于深水海域，世界各国海洋油气资源的开采和生产正加快向更深的水域发展。海底输油管线是深海采油生产系统中关键的结构体之一，随着海底油田的深度加深，传统的钢管输油管道的设计、施工及运行管理越来越困难，造价也越来越高。
技术问题
本发明要解决的技术问题是提供一种安全可靠、施工方便容易、施工速度快、成本低 的海底输油输气软管管线。
技术解决方案
为了解决上述技术问题，本发明采用的技术方案为：一种 基于锚墩固定的海底输油输气软管管线，它包括线缆和用于输油输气的软管，所述线缆上依次设有防止线缆在海底发生漂移的锚墩组件和用于约束所述软管的约束组件。
作为本发明技术方案的进一步改进：
所述锚墩组件包括第一夹具和重力块，所述第一夹具用于与线缆相连，所述第一夹具固定于重力块上，所述重力块直接放置于海床上。
所述约束组件包括约束带和设于约束带两端的第二夹具，所述第二夹具的端部设有定位槽，所述线缆夹持固定于定位槽中 ，软管套设于首尾连接于线缆上的约束带内。
所述软管的端部设有软管接头，所述软管接头包括连接管和带螺栓的加强箍，所述软管粘结套设于连接管上，所述加强箍套设于所述软管与连接管的结合部上，所述连接管的出口端设有用于安装连接的连接部。
 有益效果
本发明具有下述优点：
1 、本发明采用 软管来实现输油输气，且线缆上依次设有锚墩组件和用于约束软管的约束组件，可以有效约束软管，实现可靠的输油输气，防止软管在海底发生大位移的漂移，具有软管保护好、牢固可靠、成本低的优点；
2 、本发明采用 软管来实现输油输气，软管质量轻便、无需防锈处理、能折叠、能盘圆于滚筒之上，不会在施工过程中由于海水压力而发生管道的压曲破坏，接头少，铺设施工速度快；采用软管输送油气时，软管内油气产生的压力可以由软管外部的海水压力来平衡，作用于软管管壁上的应力小，更加节省材料；采用软管在输送油气时，管内油气的比重比海水小，软管内的油气能够受到海水的浮力作用，油气在浮力的作用下在管道内有自行向海面运动的趋势，可以减少管线的输送压力；
3、本发明的软管及线缆均为柔性结构，无论是海底地震引起的海床加速度还是海床位移均对本发明的管线结构的作用非常小。
 附图说明
图 1 为本发明实施例的管线结构示意图。
图 2 为本发明实施例的管线剖面结构示意图。
图 3 为本发明实施例中锚墩组件的结构示意图。
图 4 为本发明实施例中约束组件的结构示意图。
图 5 为本发明实施例中软管接头的结构示意图。
图 6 为本发明实施例的铺设应用时的结构示意图。
图例说明： 1 、线缆； 2 、软管； 21 、软管接头； 211 、连接管； 212 、连接部； 213 、加强箍； 3 、锚墩组件； 31 、重力块； 32 、第一夹具； 4 、约束组件； 41 、约束带； 42 、第二夹具； 421 、定位槽； 5 、线缆入水控制滑轮； 6 、软管控制绞盘； 7 、线缆控制绞盘。
 本发明的实施方式
如图 1 和图 2 所示，本发明实施例中的 用于海底输油输气的软管管线包括线缆 1 和用于输油输气的软管 2 ，线缆 1 上依次设有用于防止管线漂移的锚墩组件 3 和用于约束软管 2 的约束组件 4 。
如图 3 所示， 锚墩组件 3 包括重力块 31 和第一夹具 32 ，第一夹具 32 与线缆 1 相连，重力块 31 放置于海床上，结构简单可靠。
如图 4 所示， 约束组件 4 包括约束带 41 和设于约束带 41 两端的第二夹具 42 ，第二夹具 42 的端部设有定位槽 421 ，线缆 1 夹持固定于定位槽 421 中，软管 2 套设于首尾连接于线缆 1 上的约束带 41 内。约束组件 4 结构简单、成本低，可以实现对软管 2 的固定可靠而又不会损伤软管 2 。未与线缆 1 夹持固定前，约束组件 4 为两端设有第二夹具 42 的带状物，在使用时将一个第二夹具 42 夹持固定于线缆 1 上，然后将约束带 41 套住软管 2 ，最后将另一个第二夹具 42 夹持固定于线缆 1 上即可实现约束组件 4 的安装。
如图 5 所示，软管 2 的端部设有软管接头 21 ，软管接头 21 包括连接管 211 和带螺栓的加强箍 213 ，软管 2 粘结套设于连接管 211 上，加强箍 213 套设于软管 2 与连接管 211 的结合部上，连接管 211 的出口端设有用于安装连接的连接部 212 。软管接头 21 的结构一方面可以用于软管 2 与其他连接件的连接，例如与水下、水上采油生产设备的连接，另一方面也可以用于软管 2 的加长，连接结构牢固可靠，可以有效承担施工时对管线施加的拉力。本实施例中，软管 2 粘结套设于连接管 211 上形成密封连接，密封安全可靠。连接部 212 上设有螺栓孔，可以将其与其他设备的法兰相连。
本实施例中， 线缆 1 采用钢缆，此外也可以采用其他材料制作的缆绳，线缆的根数也可以是两根或者多根。软管 2 为高强度纤维丝与底胶材料绕制形成，高强度纤维丝可采用碳纤维、玻璃纤维、芳纶纤维或者其他高强度纤维丝；此外也可以由普通塑料或者橡胶材料制成。约束组件 4 除本实施例公开的形状以外，也可以采用其他结构，只要能将软管 2 约束即可，约束带 41 可采用钢板、钢条、钢索、钢丝或者纤维制品等。本实施例中，锚墩组件中的重力块 31 采用混凝土块，此外也可以采用其它材料制作成箱形容器或者袋状容器，在其中填满砂子或石子，只要重力块能提供足够的自重且能固定第一夹具即可。本实施例中与海水接触的一切钢质材料可以进行防锈涂层处理或者阴极保护防锈处理。
如图 6 所示，通过铺设船在海上按管线设计线路连续铺设管线时， 线缆 1 绕设在线缆控制绞盘 7 上，软管 2 绕设在软管控制绞盘 6 上，船尾侧设有线缆入水控制滑轮 5 ，详细操作步骤如下：
1 ）安装软管接头 21 。 将软管控制绞盘 6 上的软管 2 拉出足够的长度，将软管 2 粘结套设于软管接头 21 的连接管 211 上，将加强箍 213 套设于软管 2 与连接管 211 的结合部上，通过拧紧加强箍 213 上的螺栓将连接管 211 与软管 2 紧密套接达到完全密封的程度。
2 ）将 线缆控制绞盘 7 上的 线缆 1 拉出足够的长度，让 线缆 1 穿过 线缆入水控制滑轮 5 之后，将 线缆 1 的端头焊接到 软管 2 的软管接头 21 上。
3 ）随着铺设船前行，由线缆控制绞盘 7 、软管控制绞盘 6 及线缆入水控制滑轮 5 将线缆 1 和软管 2 逐渐同步放入海里，只有需要在线缆 1 上连接锚墩组件 3 和约束组件 4 时，铺设船暂时停止前行并停止放缆。每 5 米 放置一个锚墩组件 3 ，每 1 米 放置一个约束组件 4 ，锚墩组件 3 和约束组件 4 与线缆 1 的连接安装均在船尾进行，且均设在线缆入水控制滑轮 5 的后侧方。安装锚墩组件 3 时，先将第一夹具 31 与线缆 1 相连，将锚墩组件 3 悬挂在线缆 1 上。安装约束组件 4 时，将一个第二夹具 42 夹持固定于线缆 1 上，然后将约束带 41 套住软管 2 ，最后将另一个第二夹具 42 夹持固定于线缆 1 上即可。
以上所述仅为本发明的优选实施方式，本发明的保护范围并不仅限于上述实施方式，凡是属于本发明原理的技术方案均属于本发明的保护范围。对于本领域的技术人员而言，在不脱离本发明的原理的前提下进行的若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (6)

  1. 一种基于锚墩固定的海底输油输气软管管线，其特征在于：它包括线缆（ 1 ）和用于输油输气的软管（ 2 ），所述线缆（ 1 ）上依次设有防止线缆在海底漂移的锚墩组件（ 3 ）和用于约束所述软管（ 2 ）的约束组件（ 4 ）。
  2. 根据权利要求 1 所述的 基于锚墩固定的海底输油输气软管管线，其特征在于：所述锚墩组件（ 3 ）包括重力块（ 31 ）和第一夹具（ 32 ），所述第一夹具（ 32 ）与线缆（ 1 ）相连。
  3. 根据权利要求 2 所述的 基于锚墩固定的海底输油输气软管管线，其特征在于：所述第一夹具（ 31 ）固定于重力块（ 32 ）上。
  4. 根据权利要求 1 或 2 或 3 所述的 基于锚墩固定的海底输油输气软管管线，其特征在于：所述约束组件（ 4 ）包括约束带（ 41 ）和设于约束带（ 41 ）两端的第二夹具（ 42 ），所述第二夹具（ 42 ）的端部设有定位槽（ 421 ），所述线缆（ 1 ）夹持固定于定位槽（ 421 ）中，所述 软管（ 2 ）套设于首尾连接于线缆（ 1 ）上的约束带（ 41 ）内。
  5. 根据权利要求 1 或 2 或 3 所述的 基于锚墩固定的海底输油输气软管管线，其特征在于：所述软管（ 2 ）的端部设有软管接头（ 21 ），所述软管接头（ 21 ）包括连接管（ 211 ）和带螺栓的加强箍（ 213 ），所述软管（ 2 ）粘结套设于连接管（ 211 ）上，所述加强箍（ 213 ）套设于所述软管（ 2 ）与连接管（ 211 ）的结合部上，所述连接管（ 211 ）的出口端设有用于安装连接的连接部（ 212 ）。
  6. 根据权利要求 4 所述的 基于锚墩固定的海底输油输气软管管线，其特征在于：所述软管（ 2 ）的端部设有软管接头（ 21 ），所述软管接头（ 21 ）包括连接管（ 211 ）和带螺栓的加强箍（ 213 ），所述软管（ 2 ）粘结套设于连接管（ 211 ）上，所述加强箍（ 213 ）套设于所述软管（ 2 ）与连接管（ 211 ）的结合部上，所述连接管（ 211 ）的出口端设有用于安装连接的连接部（ 212 ）。
PCT/CN2012/076495 2011-06-09 2012-06-06 一种基于锚墩固定的海底输油输气软管管线 Ceased WO2012167717A1 (zh)

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