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Large-scale ocean oil-gas module multilayer deck construction precision control method

A precision control and deck technology, which is applied in shipbuilding, ship design, ships, etc., can solve problems such as sunken decks, reduced manufacturing precision of oil and gas modules, hidden safety hazards in offshore oil and gas production, etc., and achieve the effect of improving construction precision

Active Publication Date: 2021-03-12
天津博迈科海洋工程有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

In addition, the self-weight of each deck of the oil and gas module and various equipment on it will also cause the deck to sag
[0003] Uneven foundation settlement and the self-weight of the deck and the equipment on it will reduce the manufacturing accuracy of the oil and gas modules, affect the construction quality of the oil and gas modules, and bring safety hazards to offshore oil and gas production

Method used

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  • Large-scale ocean oil-gas module multilayer deck construction precision control method
  • Large-scale ocean oil-gas module multilayer deck construction precision control method
  • Large-scale ocean oil-gas module multilayer deck construction precision control method

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Embodiment Construction

[0020] The method of the present invention will be further described below in conjunction with the accompanying drawings.

[0021] The method for controlling the construction accuracy of a large-scale offshore oil and gas module multi-layer deck of the present invention includes the following steps:

[0022] Step 1. Calculate and obtain the total weight G of each deck of the offshore oil and gas module 2 and the equipment on each deck i And add up the total weight of each deck of the offshore oil and gas module and the equipment on each deck to obtain the total weight G of the offshore oil and gas module;

[0023] Take the four decks as an example: the quality of the steel used for the four decks is obtained through the design drawings, and on this basis, the weight of the equipment installed on each deck is added to estimate the first deck (that is, the bottom deck, The weight G of the deck 2-1) and the equipment on it as shown in the figure 1 , Weight G of the second deck ...

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Abstract

The invention discloses a large-scale ocean oil-gas module multilayer deck construction precision control method. The method comprises the following steps: obtaining a downward concave quantity Ki generated by each layer of deck of an ocean oil and gas module under unit weight and a downward concave quantity Ji of each layer of deck caused by unit foundation settlement through modeling and simulation; estimating the weight Gi of each layer of deck and equipment on the deck and the foundation settlement li of each layer of deck after completion through a design drawing and previous foundation settlement data; and performing calculating according to the data to obtain the deck sunken deformation Hi of each layer of deck. In the construction process, the pre-deformation upward protruding amount which is the same as the total downward concave amount Hi of each layer of deck is applied to each layer of deck so as to counteract the downward concave amount of each layer of deck caused by self-weight and foundation settlement. Through the method, the construction precision of the ocean oil-gas module deck can be improved.

Description

technical field [0001] The invention relates to a method for controlling the construction accuracy of an offshore oil-gas module, in particular to a method for controlling the construction accuracy of a multi-layer deck of a large-scale offshore oil-gas module. Background technique [0002] With the trend of large-scale offshore oil and gas modules, their overall weight is getting heavier and heavier. The largest offshore oil and gas module has a total weight of 30,000 tons. The huge weight of the marine module will generate huge pressure on the ground during the construction process, which will cause the foundation to settle. Due to the uneven distribution of oil and gas modules, the foundation settlement is also uneven. The central part of the oil and gas module construction site has the largest foundation settlement, and the surrounding foundation settlement is the smallest. The settlement of the foundation will cause the pier of the oil and gas module to settle. Since ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B73/00B63B71/10
CPCB63B73/00B63B71/10
Inventor 徐玉宝黄付龙张阳
Owner 天津博迈科海洋工程有限公司
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