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Zero-pollution underwater oil storage system with oil and water displacement function

An oil storage system, oil-water replacement technology, applied in the direction of containers, packaging, transportation and packaging, etc., can solve the problems of lack of design and application, and achieve the effect of reducing construction and operating costs

Active Publication Date: 2015-06-24
CHINA NAT OFFSHORE OIL CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there is no underwater oil storage scheme similar to the oil-water replacement method in China, which is applied to related devices such as production and storage platforms in offshore oil fields, and there is no related design and application

Method used

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  • Zero-pollution underwater oil storage system with oil and water displacement function

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with the accompanying drawings, but the present invention is not limited to the following embodiments.

[0027]The oil storage system provided by the present invention includes an oil storage tank 1, a transition tank 2 and a seawater inlet / discharge tank 3 which are sequentially arranged on the same horizontal plane; the oil storage tank 1 and the transition tank 2 are connected through a communication pipeline I4, and the One open end of the communication pipeline I4 is set at the lower part of the oil storage tank 1, and the other open end is set at the upper part of the transition tank 2; the transition tank 2 is connected with the seawater inlet / discharge tank 3 through the communication pipeline II5, the One opening end of the communication pipeline II5 is set at the lower part of the transition tank 2, and the other opening end is set at the upper part of the seawater inlet / discharge tank 3; the ...

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Abstract

The invention discloses a zero-pollution underwater oil storage system with an oil and water displacement function. The oil storage system comprises an oil storage cabin, a transition cabin and a seawater inlet / drain cabin which are sequentially arranged on the same horizontal plane; the oil storage cabin is communicated with the transition cabin via a communicating pipeline I, an opening end of the communicating pipeline I is arranged on the lower portion of the oil storage cabin, and another opening end of the communicating pipeline I is arranged on the upper portion of the transition cabin; the transition cabin is communicated with the seawater inlet / drain cabin via a communicating pipeline II, an opening end of the communicating pipeline II is arranged on the lower portion of the transition cabin, and another opening end of the communicating pipeline II is arranged on the upper portion of the seawater inlet / drain cabin; the seawater inlet / drain cabin is communicated with the external via a communicating pipeline III, an opening end of the communicating pipeline III is arranged on the lower portion of the seawater inlet / drain cabin, and another opening end of the communicating pipeline III is arranged on the upper portion of the seawater inlet / drain cabin. The zero-pollution underwater oil storage system has the advantages that underwater oil storage and unloading functions can be realized by an oil and water displacement method, three protection barriers for reducing oily sewage discharge can be formed by means of arrangement of the cabins with different functions, arrangement of the special pipelines, real-time monitoring by the aid of oil sensors and interactive control implemented by the aid of valves, oil and water pumps and the like, and standard discharge of replacement seawater can be implemented.

Description

technical field [0001] The invention relates to a zero-pollution oil-water replacement underwater oil storage system, which belongs to the field of offshore oil production and storage engineering. Background technique [0002] The principle of oil-water displacement is a relatively old theory, and it is widely used in the field of oil drilling to inject water into oil wells to increase the output of crude oil. The storage of offshore oil production currently adopts floating storage. The mainstream large-scale production and storage device is FPSO, which is used in the exploitation of large oil fields. However, as the history of petroleum resources development has become longer and longer, the discovery of large-scale integrated oilfields has become less and less, and a large part of newly discovered oilfields belong to the category of marginal oilfields. For the development of offshore marginal oilfields, if conventional technology and equipment are used, it is difficult to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D88/78B65D90/48
Inventor 赵杰王春升谭越董庆辉陈国龙冷阿伟郑晓鹏张理平朝春石云王建文赵雷张明
Owner CHINA NAT OFFSHORE OIL CORP
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