Navicular structure and method for designing navicular structure

A structure and ship shape technology, applied in the direction of auxiliary equipment, ship construction, ship parts, etc., can solve the problems of different design and construction methods, multiple man-hours and costs, and achieve shortened delivery time, reduced design costs, low cost and rapid supply Effect

Active Publication Date: 2015-12-30
MITSUI ENG & SHIPBUILD CO LTD
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Problems solved by technology

[0015] On the other hand, if the structural design for a floating offshore storage structure that is not sailing at sea is different from the structural design for a ship, and the design and construction methods are different, then two design and construction methods are prepared for a similar hull structure. , requiring more man-hours and costs

Method used

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  • Navicular structure and method for designing navicular structure
  • Navicular structure and method for designing navicular structure
  • Navicular structure and method for designing navicular structure

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Embodiment Construction

[0057] Hereinafter, a boat-shaped structure and a design method of a boat-shaped structure according to an embodiment of the present invention will be described with reference to the drawings.

[0058] First, refer to figure 1 The boat-shaped structure of the first embodiment of the present invention will be described. The ship-shaped structure 1A according to the first embodiment of the present invention is a ship-shaped structure having a common storage tank structure between a ship and a floating offshore storage structure. In addition, the "floating offshore storage structure" mentioned here refers to a floating structure that has an oil tank for storing liquid cargo such as oil or liquefied gas, such as FPSO and FSO, but does not have a propulsion device for self-propulsion like a ship. Structures at sea.

[0059] Such as figure 1 As shown, the ship-shaped structure 1A is equipped with a central oil tank 11 and side wing oil tanks 12 on both sides symmetrically with ...

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Abstract

A navicular structure having a tank structure shared between a tanker and a floating offshore storage structure, and a method for designing a navicular structure; wherein wing cargo tanks (12) and shipboard and ship-bottom sections (13) are provided sequentially toward both outer sides of the ship from middle center cargo tanks (11) in bilateral symmetry in the beam direction, the tanks excluding slop tanks (14) are counted, and the number (Nw) of wing cargo tanks (12) on one side of the ship is set greater than the number (Nc) of center cargo tanks (11). A section placement particularly resistant to shipboard damage is thereby planned with as little increase as possible in the number of costly tanks, i.e., in the surface area of the watertight bulkheads for partitioning the tanks, the tanker remains easy to use, the cost is kept competitive, and the section placement can be used in a floating offshore storage structure. A floating offshore storage structure that has reduced design costs and shortened lead time is provided inexpensively and quickly.

Description

technical field [0001] The present invention relates to a ship-shaped structure having a storage tank structure common between a ship and a floating offshore storage structure and a method of designing the ship-shaped structure. Background technique [0002] In recent years, a floating offshore oil / gas storage and offloading facility called FPSO and a floating offshore oil / gas storage and offloading facility called FSO have been used for development and utilization of seabed energy. [0003] The FPSO is a facility that produces oil / gas at sea, stores the product in a storage tank inside the facility, and directly unloads it to the delivery ship, and the FSO is used for offshore storage without a facility for oil / gas production And the dedicated equipment for unloading is the following equipment: fixed production equipment, floating production equipment without storage facilities such as TLP (Tension Tethered Platform), or land production equipment, etc. The produced crude o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B25/08B63B35/44B63B43/18
CPCB63B2035/448B63B11/02B63B43/06
Inventor 萱岛孝一岩崎正城藤原行久
Owner MITSUI ENG & SHIPBUILD CO LTD
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