|本期目录/Table of Contents|

[1]王肖辉,王鑫尧.水力压裂诱发断层活化失稳概率分析[J].中国安全生产科学技术,2021,17(9):109-113.[doi:10.11731/j.issn.1673-193x.2021.09.017]
　WANG Xiaohui,WANG Xinyao.Probability analysis of fault activation instability induced by hydraulic fracturing[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(9):109-113.[doi:10.11731/j.issn.1673-193x.2021.09.017]
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水力压裂诱发断层活化失稳概率分析
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
17
期数:
2021年9期
页码:
109-113
栏目:
职业安全卫生管理与技术
出版日期:
2021-09-30

文章信息/Info

Title:
Probability analysis of fault activation instability induced by hydraulic fracturing
文章编号:
1673-193X(2021)-09-0109-05
作者:
王肖辉; 王鑫尧
(1.河南建筑职业技术学院 土木工程学院，河南 郑州 450064；
2.中国矿业大学（北京） 力学与建筑工程学院，北京 100083)
Author(s):
WANG Xiaohui ;  WANG Xinyao
(1.Henan Technical College of Construction,Zhengzhou Henan 450064,China;
2.China University of Mining and Technology (Beijing),Beijing 100083,China)
关键词:
水力压裂; 断层活化; 概率分析; 风险评估
Keywords:
hydraulic fracturing;  fault activation;  probability analysis;  risk assessment
分类号:
X937
DOI:
10.11731/j.issn.1673-193x.2021.09.017
文献标志码:
A
摘要:
为评估非常规油气开采过程水力压裂诱发断层活化失稳风险，基于新库仑稳定函数，通过编程求解诱震概率，分析不同诱因下断层稳定性和失稳风险。结果表明：孔隙弹性剪应力、孔隙压力和差异压实共同作用，是断层活化失稳重要诱因。当孔隙弹性剪应力介于6~10 MPa时，断层失稳概率高达68.9%，其增幅率越大，诱发远区断层失稳风险越高。孔隙压力增量超过3 MPa，对于定向不良断层极为不利；断层倾角和落差越大，差异压实作用越显著。
Abstract:
In order to assess the risk of fault activation instability induced by hydraulic fracturing during the exploitation process of unconventional oil and gas,based on the new Coulomb stability function,the induced seismic probability was calculated by programming to assess the stability and instability risk of the fault under different inducements.The results showed that the combined effect of pore elastic shear stress,pore pressure and differential compaction was the important inducement of fault activation instability.When the pore elastic shear stress was between 6~10 MPa,the probability of fault instability was as high as 68.9%.The greater the increase amplitude,the higher the risk of induced remote fault instability.When the pore pressure increment exceeded 3 MPa,it was very bad for the oriented bad fault.The larger the fault dip and drop,the more significant the differential compaction effect.

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备注/Memo

备注/Memo:
收稿日期： 2021-01-07
作者简介： 王肖辉，硕士，助教，主要研究方向为页岩气开采及安全评价。
更新日期/Last Update: 2021-10-02