柿庄北3~#煤层不同构造部位的地应力特征

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英文篇名：Characteristics of In-situ Stress in Different Structure Positions of No.3 Coal Seam in Northern Shizhuang 作者：付晓龙 ; 戴俊生 ; 张丹丹 ; 张艺 ; 邹娟 ; 任启强 英文作者：FU Xiao-long;DAI Jun-sheng;ZHANG Dan-dan;ZHANG Yi;ZOU Juan;REN Qi-qiang;School of Geosciences, China University of Petroleum (East China);Research Institute of Exploration and Developmenl,Daqing Oilfield Company Ltd., PetroChina;Research Institute of Exploration and Development,Xinjiang Oilfield Company, PetroChina;Research Institute of Exploration and Development,Jidong Oilfield Company, PetroChina; 关键词：地应力 ; 数值模拟 ; 埋深 ; 煤层海拔 ; 构造形态 英文关键词：in-situ stress;;numerical simulation;;burial depth;;coal elevation;;structure position 中文刊名：MTJS 英文刊名：Coal Technology 机构：中国石油大学(华东)地球科学与技术学院;中国石油大庆油田勘探开发研究院;中国石油新疆油田勘探开发研究院;中国石油冀东油田勘探开发研究院; 出版日期：2018-05-10 出版单位：煤炭技术 年：2018 期：v.37;No.293 基金：国家科技重大专项(2011ZX05042-001-001;2016ZX05047003-003) 语种：中文; 页：MTJS201805041 页数：4 CN：05 ISSN：23-1393/TD 分类号：112-115

摘要

通过建立符合柿庄北3~#煤层实际构造及地貌形态的地质模型,在实测数据基础上,采用有限元法对现今地应力场进行了高精度数值模拟。综合分析各典型构造区的地应力特征,形成了构造特征对研究区地应力大小及方向影响规律的新认识,从而为柿庄北地区煤层气开发提供理论依据。
        The geological model was established according to the actual coal bed structural and morphology in No.3 coal seam of northern Shizhuang. Based on the statistical analysis of the hydraulic fracturing and laboratory testing, the numerical simulation of the present in-situ stress was made by using the finite element method and the calculating results were in agreement with measured results. Based on the comprehensively analyses of the stress characteristics in each typical structural area, the influence of the structure on both of the value and direction of the is-situ stress was formed, which provided a theoretical basis for the development of coal seam methane in northern Shizhuang.

引文

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