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

An analysis method, groundwater technology, applied in the direction of analyzing materials, general water supply saving, using wave/particle radiation for material analysis, etc., can solve the problems of lack of technical means, achieve the effect of avoiding interference factors, wide application range, and reliable conclusions

Active Publication Date: 2021-05-25
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 and control method of water curtain system in underground water-sealed oil depot
  • Effectiveness analysis and control method of water curtain system in underground water-sealed oil depot
  • Effectiveness analysis and control method of water curtain system in 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 a method for analyzing and controlling the effectiveness of the water curtain system of an underground water-sealed oil depot. The effectiveness of the water curtain system is judged by analyzing the similarity between water samples in different regions and the water supply water of the water curtain system, and the water supply quality of the water curtain is adjusted. A method for controlling the water curtain system. This method collects groundwater samples at different locations before, during and after the construction of the oil depot and analyzes the hydrochemical characteristics. Combined with the method of cluster analysis and principal component analysis, the hydrochemical characteristics of the water samples are classified, and the reservoir site area is obtained. The hydraulic relationship between the water supply of the water curtain system and the groundwater at different locations can accurately determine whether the water curtain system of the underground water-sealed oil depot can operate effectively, and adjust the water curtain system according to the analysis results by adjusting the water supply components of the water curtain. regulation. The invention proposes a method for analyzing and controlling the effectiveness of the water curtain system of the underground water-sealed oil depot based on the chemical characteristics 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 Patents(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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