[1]张延军,孙铭浩,于子望,等.松辽盆地干热岩热储水力压裂参数敏感性分析[J].郑州大学学报(工学版),2024,45(pre1):1-7.[doi:10.13705/j.issn.1671-6833.2025.04.009]
　ZHANG Yanjun*,SUN Minghao,YU Ziwang,et al.Sensitivity Analysis of Hydraulic Fracturing Parameters of the Hot Dry Rock Reservoir in the Songliao Basin[J].Journal of Zhengzhou University (Engineering Scien,2024,45(pre1):1-7.[doi:10.13705/j.issn.1671-6833.2025.04.009]
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松辽盆地干热岩热储水力压裂参数敏感性分析()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
45
期数:
2024年pre1
页码:
1-7
栏目:
出版日期:
2026-01-30

文章信息/Info

Title:
Sensitivity Analysis of Hydraulic Fracturing Parameters of the Hot Dry Rock Reservoir in the Songliao Basin
作者:
张延军1; 2; 孙铭浩1; 于子望1; 刘玉龙1
1.吉林大学 建设工程学院，吉林 长春130026；2.地下水资源与环境教育部重点实验室(吉林大学)，吉林 长春130026
Author(s):
ZHANG Yanjun1; 2*;  SUN Minghao1;  YU Ziwang1;  LIU Yulong1
1. College of Construction Engineering, Jilin University, Changchun 130026, China; 2. Key Lab of Groundwater Resource and Environment (Jilin University), Ministry of Education, Changchun 130026, China
关键词:
干热岩; 水力压裂; 数值模拟; 敏感性分析; 有限元
Keywords:
hot dry rock;  hydraulic fracturing;  numerical simulation;  sensitivity analysis;  finite element
分类号:
P314TK529
DOI:
10.13705/j.issn.1671-6833.2025.04.009
文献标志码:
A
摘要:
水力压裂是提取地热能的关键技术，通过提高储层岩石的渗透性来增加产热量。本文以松辽盆地干热岩热储层为研究对象，基于Abaqus软件建立水力压裂二维数值模型，结合正交试验法，对影响水力裂缝特性的参数进行了敏感性分析。结果表明：（1）数值模拟结果与室内试验结果的误差为2.6%，说明该模型用来研究水力压裂是准确可靠的。（2）通过极差分析法对各参数进行敏感性分析可知，对裂缝宽度影响最大的因素是岩石弹性模量，压裂液排量的影响程度最小；对起裂压力影响最大的因素为水平应力差异系数，岩石弹性模量的影响程度最小。该研究结果可以为松辽盆地干热岩储层水力压裂施工提供一定的指导。
Abstract:
Hydraulic fracturing is the key technology for extracting geothermal energy, which increases the heat production by improving the permeability of the reservoir rock. In this paper, the hot dry rock thermal reservoir in Songliao Basin is taken as the research object, and a two-dimensional numerical model of hydraulic fracturing is established based on Abaqus software, and the sensitivity analysis of the parameters affecting the characteristics of hydraulic fracture is carried out by combining the orthogonal test method. The results showed that: (1) The discrepancy between the numerical simulation results and the laboratory test results was 2.6%, indicating that the model was accurate and reliable for studying hydraulic fracturing. (2) The sensitivity analysis of each parameter through the extreme difference analysis method showed that the most influential factor on the fracture width was the elastic modulus of the rock, and the fracturing fluid displacement had a minimal impact; the most influential factor on the fracture initiation pressure was the horizontal stress difference coefficient, and the elastic modulus of the rock had a minimal impact. The results of this study can provide certain guidance for hydraulic fracturing operations of the hot dry rock reservoir in the Songliao Basin

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更新日期/Last Update: 2025-02-27