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Novel floating production oil storage platform structure

A technology for floating production and storage of oil and platforms, applied to floating buildings, etc., can solve problems such as high investment, high added value, and high risks, and achieve the effects of saving construction costs, reducing structural steel consumption, and facilitating installation

Inactive Publication Date: 2013-05-08
NEPTUNE OFFSHORE ENG DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as an FPSO that integrates oil and gas production, storage and export functions, it has the characteristics of high risk, high technology, high added value, high investment, etc., and cannot be widely used in the development of small marginal oil fields.

Method used

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  • Novel floating production oil storage platform structure
  • Novel floating production oil storage platform structure
  • Novel floating production oil storage platform structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The structure of the new floating production and storage platform see figure 1 It is composed of suction anchor 1, steel cable or anchor chain 2, annular floating protection frame 3, oil storage tank 4, and upper production and living platform 7. The structure of the new floating production and storage platform can be self-floating and dragged to the construction site by tugboat .

[0014] The overall self-floating state of the new floating production and storage platform structure is as follows: figure 2 After the suction anchor 1 is connected to the annular floating protection frame 3 through a steel cable or anchor chain 2, the upper part of the suction anchor 1 and the steel cable or anchor chain 2 are shrunk to the reserved hole in the lower part of the annular floating protection frame 3, and are fixed by welding the auxiliary bracket As a whole, the annular floating protection frame 3 and the oil storage tank 4 are fixed together by snap rings. Through the pos...

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Abstract

The invention discloses a floating production oil storage platform structure. The platform structure consists of a tension leg floating barrel structure, an oil storage tank (4) and an upper production and living platform (7) and is characterized in that: the oil storage tank (4) can provide enough buoyancy for the upper producing and living platform (7) and has enough buoyancy when the oil storage tank is under full load; when crude oil in the oil storage tank (4) reaches a certain degree, the crude oil can be transported outwards through a shuttle tanker; an annular floating protective frame (3) can provide buoyancy and buffer the impact of waves on the oil storage tank for protecting; and a suction anchor (1) is convenient to install and easy to recycle. When oil in an oil field is fully recovered, the platform structure is convenient to detach and can be arranged on a next boundary oil field, so that repeated utilization of the floating production oil storage platform structure is realized, the marine installation period of a shallow sea boundary oil field platform structure is shortened and the development cost of an oil field is lowered.

Description

technical field [0001] The invention belongs to the innovation of the offshore production and storage platform structure and its construction method. Background technique [0002] At present, there are two ways to integrate oil and gas processing, power and oil storage: one is an oil and gas production and storage platform, and the other is an FPSO ship. [0003] The offshore oil and gas production and storage platform is supported by the jacket structure of the upper block, which is divided into at least three layers, integrating production, power and oil storage. Its working principle is: the crude oil is extracted from the subsea oil well through the oil pipeline, processed on the platform, then stored in the oil storage tank at the bottom of the platform, and finally transported to the shuttle tanker through the subsea pipeline. This type of method is mainly used in the development of small and medium-sized oil fields in shallow seas, and the cost is relatively low. As...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63B35/44
Inventor 王翎羽马红城
Owner NEPTUNE OFFSHORE ENG DEV
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