Multiple-upright-integrated single-column platform

An integrated single and column platform technology, used in ships, special-purpose ships, floating buildings, etc., can solve the problems of difficult maintenance of truss structures, loss of oil storage capacity, etc. Time-consuming in the early stage of development and the effect of small overall movement range

Inactive Publication Date: 2017-05-31
TIANJIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the design of the intermediate truss structure also makes the changed platform form lose its oil storage capacity, and the underwater truss structure is more difficult to maintain

Method used

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  • Multiple-upright-integrated single-column platform
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Embodiment Construction

[0024] The invention provides a single-column platform suitable for deep-sea oil and gas development and adopting an integrated classic multi-column design. The main body of the platform is integrated with a single column and a bunch of small-sized columns attached to its outer wall, and is equipped with multiple top tensioned risers and support structures. In the construction of the platform, large-diameter cylindrical structures are avoided, and small-diameter cylindrical groups are used instead, which reduces the difficulty and cost of construction. Each small-sized column can be flexibly assembled inside to meet different development needs, and greatly increases the platform functions. diversity. Each small-sized column is divided into a plurality of horizontal cabins through the horizontal deck structure. The form of the platform completely retains the advantages of the traditional single-column platform, that is, it has excellent stability and motion characteristics, an...

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Abstract

The invention relates to a multiple-upright-integrated single-column platform which is connected with an upper structure 1 through a supporting structure. The platform comprises a central main upright 2 and multiple peripheral small-size uprights 3 arranged on the outer side of the central main upright, the central main upright 2 is provided with multiple cabins from top to bottom, multiple cabins are arranged in each peripheral small-size upright 3, and top tensioning-type vertical pipes 4 connected with the upper structure 1 are arranged in the central main upright 2.

Description

technical field [0001] The invention relates to a single-column platform suitable for deep-sea oil and gas development and adopting an integrated multi-column design. [0002] Background technique: [0003] The natural environment of the deep sea is very complex, oil and gas exploration and development are technically difficult, construction is difficult, maintenance is time-consuming, laborious and risky. Compared with the fixed platform, the floating platform can better solve the contradiction between technology and economy, and its overall performance is relatively excellent. It is an ideal operating platform in deep sea waters. [0004] At present, the forms of floating platforms used in the world are divided into four categories: tension leg platform, semi-submersible platform, single column platform and floating production and storage system. Among them, when the water depth of the tension leg platform exceeds 1,000 meters, the construction cost rises sharply and the e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B35/44
CPCB63B35/4413
Inventor 余杨徐立新余建星
Owner TIANJIN UNIV
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