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Effectiveness analysis method and regulation method of water curtain system of underground water-sealed oil depot

An analysis method, groundwater technology, applied in the analysis of materials, general water supply conservation, material analysis using wave/particle radiation, etc., can solve problems such as lack of technical means, achieve the effects of avoiding interference factors, reliable conclusions, and a wide range of applications

Active Publication Date: 2018-08-21
NORTHEASTERN UNIV LIAONING
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Problems solved by technology

However, there is still a lack of effective technical means

Method used

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  • Effectiveness analysis method and regulation method of water curtain system of underground water-sealed oil depot
  • Effectiveness analysis method and regulation method of water curtain system of underground water-sealed oil depot
  • Effectiveness analysis method and regulation method of water curtain system of underground water-sealed oil depot

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Embodiment

[0043] 1Engineering background

[0044] 1.1 Project overview

[0045] Taking my country's first large-scale underground water-sealed oil depot project as the background, the storage cavern area is distributed in a direction of 5° from north to west, with a width of about 600m from east to west, a length of about 838m from north to south, and a designed storage capacity of 300×104m 3 , the design service life is 50a. The underground water-sealed oil depot project mainly includes two parts: underground engineering and above-ground auxiliary facilities. Among them, the underground engineering is mainly composed of the main cavern, construction roadway and water curtain roadway. The engineering structure diagram is as follows figure 1 shown. The 9 main caverns are arranged parallel to the north-south and westward, and every 3 main caverns are connected by 4 branch holes to form a tank body, which is divided into 3 cave tank groups. The design floor elevation of the caverns is -...

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Abstract

The invention discloses an effectiveness analysis method and a regulation method of a water curtain system of an underground water-sealed oil depot. The methods are of judging effectiveness of the water curtain system through analyzing hydrochemical feature similarity of water samples of different regions and supplied water of the water curtain system, and regulating the water curtain system through adjusting water quality of the supplied water of a water curtain. According to the methods, groundwater samples are collected at different locations before construction of the oil depot, in construction of the oil depot and after construction completion of the oil depot, hydrochemical feature analysis is carried out, methods of clustering analysis and principal component analysis are combined to classify hydrochemical features of the water samples, situations of waterpower connection between the supplied water of the water curtain system of a depot site area and groundwater at the differentlocations are obtained, then whether the water curtain system of the underground water-sealed oil depot can effectively run can be accurately judged, and the water curtain system is regulated throughadjusting components of the supplied water of the water curtain according to an analysis result. The effectiveness analysis method and the regulation method of the water curtain system of undergroundwater-sealed oil depot provided by the invention are based on the chemical features of the groundwater.

Description

technical field [0001] The invention relates to a method for analyzing and regulating the effectiveness of the water curtain system of an underground water-sealed oil depot, specifically a method based on the hydrochemical characteristics of groundwater in different parts of the underground water-sealed oil depot site area, by analyzing the hydrochemical characteristics of the groundwater in different parts Similarity is used to judge whether the water supply of the water curtain system can cover the entire reservoir area, and to regulate the performance of the water curtain system according to the chemical reactions that occur. The invention belongs to the field of underground engineering. Background technique [0002] With the development of economy and society, the demand for oil is increasing day by day, so it is of great significance to carry out oil reserves. Among the various methods of oil storage, the underground water-sealed oil depot has the characteristics of sm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/18G01N23/207
CPCG01N23/207G06F17/18Y02A20/152
Inventor 王者超孙华阳乔丽苹黄安达岳伟平杨磊
Owner NORTHEASTERN UNIV LIAONING
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