WO2017215053A1 - Terminal de transport en mer à amarrage sur point unique - Google Patents

Terminal de transport en mer à amarrage sur point unique Download PDF

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Publication number
WO2017215053A1
WO2017215053A1 PCT/CN2016/088847 CN2016088847W WO2017215053A1 WO 2017215053 A1 WO2017215053 A1 WO 2017215053A1 CN 2016088847 W CN2016088847 W CN 2016088847W WO 2017215053 A1 WO2017215053 A1 WO 2017215053A1
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WO
WIPO (PCT)
Prior art keywords
rigid arm
bow
leg
anchor leg
point mooring
Prior art date
Application number
PCT/CN2016/088847
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English (en)
Chinese (zh)
Inventor
王翎羽
董旭
传建
崔文涛
Original Assignee
天津市海王星海上工程技术股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 天津市海王星海上工程技术股份有限公司 filed Critical 天津市海王星海上工程技术股份有限公司
Publication of WO2017215053A1 publication Critical patent/WO2017215053A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B63B2021/505—Methods for installation or mooring of floating offshore platforms on site

Definitions

  • the invention relates to the technical field of marine engineering, in particular to a single-point mooring external transmission terminal for storing and transporting marine oil.
  • the single point mooring system is divided into two application areas from the industry characteristics.
  • First, the single point is used as a transit terminal at sea. Through this “floating terminal”, large ships can be moored and loaded with crude oil or other materials, giving full play to the superiority of large-scale ship transportation, namely, use and external terminals.
  • Second, the single point acts as a terminal for offshore oilfield production and plays a role of “floating oil depot”. It is an economical and advanced storage and transportation method for deep sea and marginal oilfield development, that is, for offshore oil and gas development, such as FSO (floating storage and unloading tanker). ) or FPSO (floating production storage and offloading device).
  • FSO floating storage and unloading tanker
  • FPSO floating production storage and offloading device
  • the single point mooring system can be applied in the following aspects:
  • the single point mooring device is an advanced technical means for economic exploitation of marginal oil fields, deep sea oil fields and offshore remote oil fields.
  • mooring system devices have been or are being applied to sea areas around the world, such mooring devices
  • CALM Catenary Anchor Leg Mooring
  • SALM Single Anchor Leg Mooring
  • ALT Articulated Loading Tower
  • the single-point mooring and external terminal developed by marginal oilfields has higher cost, higher requirements for waters, poor safety performance and shorter service life.
  • the present invention proposes a single-point mooring external transmission terminal, which has low cost, can be applied to various sea conditions and water depths, and improves safety.
  • the invention provides a single point mooring external transmission terminal, which comprises a base plate fixed on the seabed, a single anchor leg, a platform capable of placing equipment, a suspension mechanism and an outer oil transfer wheel floating on the water surface;
  • the single anchor leg is vertically disposed, the platform is rotatably coupled to the upper portion of the single anchor leg about the single anchor leg, and the lower end of the single anchor leg is fixedly coupled to the base plate;
  • the suspension mechanism includes a rigid arm, a rafter and a rafter; the rigid arm is located below the water surface, the rigid arm has a stern end and a stern end, the stern end being rotatably coupled to the single anchor leg a lower portion of the single anchor leg; the rafter and the raft are both located above the rigid arm, the raft is connected to the rigid arm by a chain of anchors connected by a chain of rafts On the rigid arm;
  • the outer oil transfer wheel has a bow and a bow, and the bow is connected to the platform and the rake, respectively, and the bow is connected to the rake.
  • the present invention has the beneficial effects that the single-point mooring external transmission terminal of the invention can be repeatedly disassembled and reused, and the cost of the development of the marginal oil field is reduced.
  • the rigid arm is connected to the lower part of the single anchor leg and can be rotated around it.
  • the floating buoy is attached to the end of the rigid arm, and the buoy is attached to the end of the rigid arm; the bow of the outer tank is attached to the buoy and its bow is It is attached to the pontoon to avoid collision between the external oil tanker and the rafter and the raft. This improves safety and extends the service life of the single-point mooring terminal.
  • Adjusting the counterweight of the weight compartment can adjust the depth position of the buoy and the rigid arm in the water; adjusting the counterweight of the counterweight can adjust the depth position of the buoy and the rigid arm in the water, which can be applied to various sea conditions. And water depth.
  • the rigid arm can not only rotate around the single anchor leg through the rolling inner ring of the link structure, but also rotate around the pin shaft provided on the link structure, and the rigid arm can swing freely in the horizontal plane and the vertical plane when impacted by an external force.
  • FIG. 1 is a front elevational view of a single-point mooring external transmission terminal of the present invention
  • FIG. 2 is a partial front elevational view showing the suspension mechanism of the single-point mooring external terminal of the present invention
  • FIG. 3 is a partial front elevational view showing the connection relationship between the suspension mechanism and the single anchor leg of the single-point mooring outer terminal of the present invention
  • Figure 4 is a top plan view of Figure 3;
  • Figure 5 is a perspective view showing the link structure of the single-point mooring outer terminal of the present invention.
  • FIG. 6 is a partial front elevational view showing the connection relationship between the platform of the single-point mooring external transmission terminal and the external oil transfer wheel of the present invention
  • Figure 7 is a top plan view of Figure 6.
  • the present invention provides a single-point mooring external transmission terminal, which comprises a base plate 6 fixed on the seabed, a single anchor leg 4, a platform capable of placing equipment, a suspension mechanism and floating on the water surface.
  • External oil tanker 3 External oil tanker 3.
  • the single anchor leg 4 is vertically disposed, the platform 1 is rotatably coupled to the upper portion of the single anchor leg 4 about the single anchor leg 4, and the lower end of the single anchor leg 4 is fixedly coupled to the base plate 6.
  • the suspension mechanism includes a rigid arm 7, a rafter 73 and a rafter 77; the rigid arm 7 is located below the water surface, and the rigid arm 7 has a stern end 701 and a stern end 702, and the stern end 701 can be wound around the single
  • the anchor leg 4 is rotatably coupled to the lower portion of the single anchor leg 4; both the raft float 73 and the raft float 77 are located above the rigid arm 7.
  • the raft 104 is attached to the rigid arm 7 by a chain of anchors 72 that are coupled to the rigid arm 7 by a chain of anchors 76.
  • the outer oil transfer 3 has a bow 301 and a bow 302.
  • the bow 301 is connected to the platform 1 and the rake 73, respectively, and the bow 302 is connected to the rake 77.
  • the single-point mooring external transmission terminal of the invention can be repeatedly disassembled and reused, and the cost of the development of the marginal oil field is reduced.
  • the rigid arm 7 is coupled to and rotatable about a lower portion of the single anchor leg 7, which is attached to the end 701 of the rigid arm 7, and the raft 104 is attached to the end 702 of the rigid arm 7; the bow of the outer transfer 3
  • the 301 is attached to the rafter 73, and the stern 302 is attached to the rafter 77, thereby avoiding collision between the outer tanker 3 and the rafter 73 and the rafter 77, thereby improving safety and extending single point mooring.
  • the service life of the external terminal is
  • the wellhead equipment can be selectively placed on the platform 1: if the equipment is not placed, the platform 1 can be used as a common single point mooring device; if the wellhead equipment is placed, the platform 1 can be used as a single wellhead platform and configured with FSO (floating)
  • FSO floating
  • the type of storage and offloading tanker or FPSO floating production, storage and unloading device
  • the single-point mooring device is connected to the sea floor by a single anchor leg.
  • the single anchor leg 4 is connected to the base plate 6 anchored on the sea floor, and the single anchor leg 4 can be catenary or pre-tensioned.
  • the anchor chain legs can also be steel columns or steel trusses.
  • the single anchor legs 4 are rigid members that provide a moorable location for the outer oil transfer wheel 3.
  • the point of attachment of the rigid arm 7 to the single anchor leg 4 is near the lower end of the single anchor leg 4, i.e., the rigid arm 7 is adjacent to the base plate 6 or the seabed.
  • the rigid arm 7, the yoke chain 72, the rafter 73, the outer oil transfer 3, the rafter 77 and the raft anchor 76 are connected end to end to form a flexible frame similar to a rectangle, and the outer oil transfer wheel 3 is subjected to a rigid arm 7, an anchor chain 72, The rafter 73, the raft anchor 76 and the rafter 77 are used to maintain a certain stability on the water surface.
  • the end 701 of the rigid arm 7 is rotatably connected to the single anchor leg 4, and the bow 301 of the outer oil transfer wheel 3 is connected to the platform 1, so that the flexible frame is respectively subjected to a force at the upper portion and the lower portion, when subjected to an external impact force,
  • the outer oil tanker 3 can swing with the waves or the wind direction, and has a certain flexibility to adapt to the environment.
  • connection point of the anchor chain 72 and the rigid arm 7 is located at or near the end 701
  • connection point of the anchor chain 76 and the rigid arm 7 is located at or near the end 702.
  • End 702. the ear rest 71 is disposed on the rigid arm 7 near the end 701
  • the lug 75 is disposed on the rigid arm 7 near the end 702.
  • the anchor chain 72 and the anchor chain 76 are respectively connected.
  • the ear rest 71 and the ear rest 75 are attached.
  • the length of the rigid arm 7 is greater than or equal to the length of the outer oil transfer wheel 3.
  • the rigid arm 7 has a strip shape and a long length, and has good self-floating performance, so that the bow 301 and the bow 302 of the outer oil transfer wheel 3 are respectively connected to the end 701 and the end 702 of the rigid arm 7, and the outer end is lost.
  • the oil tanker 3 receives the force from the rigid arm 7, which improves the stability of the outer oil transfer wheel 3, and prevents the outer oil transfer wheel 3 from floating freely on the water surface to affect the external operation.
  • the rigid arm 7 is suspended horizontally in the water, and the rigid arm 7 can also be tilted at a small angle.
  • a helium counterweight 74 and a helium counterweight 78 are disposed on the raft anchor chain 72 and the raft anchor chain 76, respectively. Adjusting the weight of the weight compartment 74 can adjust the depth position of the raft 104 and the rigid arm 7 in the water; adjusting the weight of the raft weight 78 can adjust the depth position of the raft 104 and the rigid arm 7 in the water. Can be applied to a variety of sea conditions and water depth.
  • the rigid arm 7 is rotatably coupled to the single anchor leg 4 by a link structure 5.
  • the link structure 5 includes a rolling inner ring 52, a support ring 53 and a pin 51.
  • the support ring 53 is fixedly sleeved outside the rolling inner ring 52.
  • the rolling inner ring 52 includes a plurality of rollers uniformly distributed along the circumferential direction of the single anchor leg 4, the axial direction of each roller is parallel to the axial direction of the single anchor leg 4, and the rolling inner ring 52 is rotatably fitted to the single anchor leg.
  • the roller is a nylon roller, and when the rigid arm 7 rotates around the single anchor leg 4, each nylon roller also rotates about its own axis to make the friction between the rolling inner ring 52 and the single anchor leg 4. The rubbing resistance is small.
  • the rigid arm 7 can not only rotate 360 degrees around the single anchor leg 4 through the rolling inner ring 52 of the link structure 5, the rigid arm 7 is suspended in the water, and the rigid arm 7 can swing freely in the horizontal plane when subjected to an external force.
  • the rotational stability is high and it is less likely to sway.
  • the rigid arm 7 is also rotatable about a pin 51 provided on the link structure 5, and the rigid arm 7 can swing freely around the pin shaft 51 in a vertical plane when subjected to an external force to accommodate the force of the sea bottom in the up and down direction.
  • the range of rotation of the rigid arm 7 around the pin 51 is small, the pitch amplitude is not too large, and the rigid arm 7 is generally maintained at a horizontal position or close to the level to maintain the stability of the single-point mooring outer terminal and the outer oil transfer wheel 3.
  • Sexually, and the end 702 of the rigid arm 7 does not touch the seabed.
  • two pins 51 are symmetrically disposed on the support ring 53, and the end 701 of the rigid arm 7 is provided with two mounting holes, and the pins 51 are rotatably mounted in the two mounting holes, respectively. It is also possible to provide a lug on the support ring 53, and connect the through hole provided in the ear seat to the mounting hole by a connecting member such as a bolt to form a rotatable structure.
  • two symmetrically disposed pins 51 are used, and the pin shaft 51 is laterally arranged with respect to the single anchor leg 4 to stabilize the force-bearing structure, and the rigid arm 7 is relatively evenly applied during long-term use, thereby avoiding excessive local load. Extend the service life of related parts.
  • the platform 1 is provided with a platform hose bracket 11 , and the top of the bow 301 is fixedly provided with an outer hose bracket 31 for external transmission.
  • the hose bracket 31 is connected to the platform hose bracket 11 by at least one anchor cable 13; as shown in Fig. 1, the bow 301 and the raft 34, the bow 302 and the raft float 77 are respectively connected by cables.
  • the base 6 of the single point mooring terminal of the present invention includes a base post 61, a base box beam 62 and at least three foundations 63.
  • the foundation 63 is anchored on the seabed, the base box beam 62 is connected to the upper end of each foundation 63, the base pillar 61 is vertically disposed, the end of the base pillar 61 is connected to the lower end of the single anchor leg 4, and the lower end of the base pillar 61 is The base box beam 62 is fixedly connected.
  • the base plate 6 may be selected to adopt a long pile foundation form (single pile form or multiple pile forms) according to different geological conditions and environmental conditions; or a cylinder base form (single cylinder base form or multi-tube base form), in the present invention,
  • a long pile foundation form single pile form or multiple pile forms
  • a cylinder base form single cylinder base form or multi-tube base form
  • the single-point mooring outer terminal of the present invention further comprises an oil pipeline and an outer hose 2, the oil pipeline is connected from the input port on the base plate 6 to the platform 1, and the outer hose 2 is connected from the platform 1 to the outer oil tanker. 3.
  • one end of the outer hose 2 is placed in the platform hose bracket 11 and the other end is placed in the outer hose bracket 31, and the end of the outer hose 2 is at the platform hose bracket 11 and outside.
  • the inside of the hose holder 31 is better protected.
  • the outer hose 2 is respectively placed near the both ends, the outer hose 2 is not placed between the platform hose bracket 11 and the outer hose bracket 31. Some are not easy to fall into the sea water to avoid damage in the harsh marine environment.
  • the oil pipeline includes an inner pipeline of the base plate 6 and an inner pipeline of the single anchor leg 4, and the crude oil is transported to the platform 1 through the oil pipeline, and after being processed by the equipment on the platform 1, the oil is transported to the outer oil tanker 3 through the outer hose 2. .
  • the platform 1 is coupled to the upper end of the single anchor leg 4 by the platform rotation system 12, and the platform rotation system 12 ensures that the platform 1 can be in the anchor cable 13 when the outer delivery vessel 3 is rotated or swayed by the impact of the ocean waves or wind direction. Drive to rotate.
  • the anchor cable 13 is provided with a weight 14 which ensures that the outer oil transfer wheel 3 can rotate synchronously with the platform 1.
  • the rigid arm 7 includes at least three steel pipes arranged in parallel with each other, and at least two connecting ribs are fixedly connected between each two adjacent steel pipes.
  • the raft float 73 is a cylindrical pontoon or a box-shaped pontoon
  • the raft float 77 is a cylindrical pontoon or a box-shaped pontoon.
  • the single anchor leg 4 is a combination of a cylindrical leg, a truss leg, or a cylindrical leg and a truss leg, and the structure of the single anchor leg can be selected according to the use environment and water depth of the single point mooring terminal.
  • the installation and use process of the single-point mooring outer terminal of the present invention is as follows: the single anchor leg 4 is mounted to the base plate 6, and the rigid arm 7 is mounted to the lower portion of the single anchor leg 4 by the link structure 5, the raft 34 and The rafts 77 are connected to the rigid arms 7 via the shackle 72 and the shackle 76, respectively, and the outer stern 3 and the stern 302 are moored to the raft 34 and the raft 34, respectively, and the outer transfer 3
  • the outer hose bracket 31 of the bow 301 is connected to the platform 1 via two anchor cables 13, and the outer hose 2 is connected to the outer tank 3.
  • the external transfer operation is started, and the oil pipeline is transported to the platform 1 from the input port located on the base plate 6, and the crude oil processed by the platform 1 is transported to the outer tanker 3 via the external hose 2.
  • the outer oil tanker 3 rotates around the single anchor leg 4 with the wave and wind direction.
  • the platform 1 will rotate synchronously with the outer oil tanker 3 through the anchor cable 13.
  • the mooring is untied.
  • the cable on the rafter 73 and the rafter 77 is detached from the outer hose 2, and the outer tank 3 is detached.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Earth Drilling (AREA)

Abstract

La présente invention concerne un terminal de transport en mer, à amarrage à point unique, qui comprend un disque de base (6) fixé au fond marin, un seul pied d'ancrage (4), une plate-forme (1) où un dispositif peut être placé, un mécanisme de suspension et un pétrolier de transport en mer (3) flottant sur la surface de l'eau. Le pied d'ancrage unique (4) est disposé verticalement. La plate-forme (1) est reliée à la partie supérieure du pied d'ancrage unique (4) et peut tourner autour de celui-ci (4). L'extrémité inférieure du pied d'ancrage unique (4) est reliée fixement au disque de base (6). Le mécanisme de suspension comprend un bras rigide (7), une bouée d'étrave (73) et une bouée de poupe (77). Le bras rigide (7) est situé sous l'eau et pourvu d'une extrémité d'étrave (701) et d'une extrémité de poupe (702). L'extrémité d'étrave (701) est reliée à la partie inférieure du pied d'ancrage unique (4) et peut tourner autour de celui-ci (4). À la fois la bouée d'étrave (73) et la bouée de poupe (77) sont situées au-dessus du bras rigide (7). La bouée d'étrave (73) est reliée au bras rigide (7) au moyen d'une chaîne d'ancre d'étrave (72), et la bouée de poupe (77) est reliée au bras rigide (7) au moyen d'une chaîne d'ancre de poupe (76). Une étrave (301) du pétrolier de transport en mer (3) est relié séparément à la plate-forme (1) et à la bouée d'étrave (73), et la poupe (302) est reliée à la bouée de poupe (77). Le terminal de transport en mer, à amarrage sur point unique, peut être réutilisé, est peu coûteux, convient à diverses conditions de mer et profondeurs d'eau, tout en offrant une meilleure sécurité.
PCT/CN2016/088847 2016-06-14 2016-07-06 Terminal de transport en mer à amarrage sur point unique WO2017215053A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610412622.4 2016-06-14
CN201610412622.4A CN105947116A (zh) 2016-06-14 2016-06-14 单点系泊外输终端

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108664747A (zh) * 2018-05-18 2018-10-16 中船黄埔文冲船舶有限公司 一种艏锚驻锚部件的设计方法及装置
WO2020206499A1 (fr) * 2019-04-10 2020-10-15 Pivotree Pty Ltd Ensemble d'amarrage
CN113443089A (zh) * 2021-07-15 2021-09-28 海洋石油工程股份有限公司 一种用于码头靠泊筒型fpso的方法

Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
CN107517906A (zh) * 2017-02-07 2017-12-29 浙江舟山海王星蓝海开发有限公司 一种单点系泊船形浮框调载升降网箱
IL268914B (en) * 2019-08-26 2022-08-01 Israel Ports Dev & Assets Company Ltd Marine construction and method for its construction

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US20010029879A1 (en) * 2000-01-07 2001-10-18 Fmc Corporation Mooring systems with active force reacting systems and passive damping
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US20110139054A1 (en) * 2009-12-14 2011-06-16 Sofec,Inc. Adjustable and disconnectable submerged-yoke mooring system
CN202243965U (zh) * 2011-06-30 2012-05-30 中国海洋石油总公司 一种水下单点系泊装置
CN205686573U (zh) * 2016-06-14 2016-11-16 天津市海王星海上工程技术股份有限公司 装卸油单点系泊外输终端

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US4176615A (en) * 1977-11-21 1979-12-04 Amtel, Inc. Mooring attachment for single point mooring terminals
GB2056391A (en) * 1979-08-17 1981-03-18 Tecnomare Spa A mooring system for surface vessels
US4468205A (en) * 1983-01-13 1984-08-28 Sofec, Inc. Apparatus for single point mooring
US20010029879A1 (en) * 2000-01-07 2001-10-18 Fmc Corporation Mooring systems with active force reacting systems and passive damping
CN2878506Y (zh) * 2004-11-29 2007-03-14 天津市海王星海上工程技术有限公司 一种单点系泊井口平台
US20110139054A1 (en) * 2009-12-14 2011-06-16 Sofec,Inc. Adjustable and disconnectable submerged-yoke mooring system
CN202243965U (zh) * 2011-06-30 2012-05-30 中国海洋石油总公司 一种水下单点系泊装置
CN205686573U (zh) * 2016-06-14 2016-11-16 天津市海王星海上工程技术股份有限公司 装卸油单点系泊外输终端

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108664747A (zh) * 2018-05-18 2018-10-16 中船黄埔文冲船舶有限公司 一种艏锚驻锚部件的设计方法及装置
CN108664747B (zh) * 2018-05-18 2022-04-01 中船黄埔文冲船舶有限公司 一种艏锚驻锚部件的设计方法及装置
WO2020206499A1 (fr) * 2019-04-10 2020-10-15 Pivotree Pty Ltd Ensemble d'amarrage
GB2597010A (en) * 2019-04-10 2022-01-12 Pivotree Pty Ltd Mooring assembly
GB2597010B (en) * 2019-04-10 2023-02-22 Pivotree Pty Ltd Mooring assembly
IE20200298A3 (en) * 2019-04-10 2023-12-06 Pivotree Pty Ltd Mooring assembly
CN113443089A (zh) * 2021-07-15 2021-09-28 海洋石油工程股份有限公司 一种用于码头靠泊筒型fpso的方法
CN113443089B (zh) * 2021-07-15 2023-02-28 海洋石油工程股份有限公司 一种用于码头靠泊筒型fpso的方法

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