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Gas field overall layout evaluation method based on multi-level fuzzy comprehensive evaluation

A technology of fuzzy comprehensive evaluation and evaluation method, applied in the field of overall layout of gas fields, can solve the problems of inability to comprehensively evaluate the advantages and disadvantages of layout schemes

Pending Publication Date: 2020-11-03
SHAANXI YANCHANG PETROLEUM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are various limitations in traditional comparison and selection schemes, and it is impossible to fully evaluate the advantages and disadvantages of layout schemes. Therefore, it is of great engineering practical value to propose an optimization method that can comprehensively consider various factors in layout schemes

Method used

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  • Gas field overall layout evaluation method based on multi-level fuzzy comprehensive evaluation
  • Gas field overall layout evaluation method based on multi-level fuzzy comprehensive evaluation
  • Gas field overall layout evaluation method based on multi-level fuzzy comprehensive evaluation

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Embodiment 1

[0055] The technical method in the present invention will be fully and clearly described below in conjunction with the accompanying drawings.

[0056] The present invention takes the general layout of a certain block of Yan'an gas field as an example, and explains how to use the method provided by the present invention to select the general layout of the gas field.

[0057] Firstly, the overall layout scheme of the gas field is designed in combination with the basic guiding principles for the selection of natural gas purification plant site, gas gathering station site, and pipeline routing and the actual engineering situation. The blocks in this embodiment include three sets of layout schemes in total. image 3 , 4 , 5 are schematic diagrams of different layout schemes, and the specific schemes are as follows:

[0058] Option 1: Build a new Hengshan South purification plant, 6 gas gathering stations, 447.43km of gas production pipelines, 102.22km of gas gathering pipelines, 2...

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Abstract

The invention discloses a gas field overall layout evaluation method based on multi-level fuzzy comprehensive evaluation. The method comprises the following steps: (1) taking technical economy, dependable conditions and safety production as first-level indexes, refining each first-level index into a second-level index, and establishing a multi-level analysis evaluation index system; (2) determining the weight of each secondary index by using an AHP analytic hierarchy process; (3) constructing an evaluation index matrix; (4) standardizing the evaluation index matrix to obtain a fuzzy relative membership matrix R; and (5) introducing the weight of the secondary index into fuzzy comprehensive evaluation calculation, calculating the relative membership degree of each scheme, and finally determining the optimal scheme of the overall layout of a gas field according to the maximum membership degree principle. The evaluation method has objectivity and provides a certain theoretical basis for comparison and selection of the overall layout scheme of the gas field.

Description

technical field [0001] The invention belongs to the field of overall layout of gas fields, and in particular relates to an evaluation method for overall layout of gas fields based on multi-level fuzzy comprehensive evaluation. Background technique [0002] The overall layout of the gas field mainly refers to the site selection of the natural gas purification plant, the site of the gas gathering station and the corresponding pipeline routes during the development of the gas field. [0003] The sites of natural gas purification plants and gas gathering stations should be selected according to the following principles: (1) they should conform to the overall plan for the ground construction of the gas field, and should be close to the gas source; Confirmed; (3) Areas with good atmospheric diffusion conditions should be selected to avoid windy areas; (4) Towns, industrial and mining enterprises, and densely populated areas should be avoided as far as possible, and should meet the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/02
CPCG06Q10/06393G06Q50/02
Inventor 何鹏梁裕如易冬蕊张成斌韩建红胡耀强刘婷婷杨朝锋李鹤艾昕宇于勇斌
Owner SHAANXI YANCHANG PETROLEUM GRP
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