| 有限元构造应力场研究在苏里格气田水平井开发中的应用 |
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| 引用本文： | 吴则鑫. 有限元构造应力场研究在苏里格气田水平井开发中的应用[J]. 石油地质与工程, 2013, 27(1): 79-81,140,141 |
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| 作者姓名： | 吴则鑫 |
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| 作者单位： | 中国石油长城钻探地质研究院,辽宁盘锦,124010 |
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| 摘 要： | 建立了苏里格气田的地质构造模型,利用有限元分析方法,对苏里格气田进行了地应力场有限元反演和三维构造应力场的数值模拟,模拟出区域最大主应力、最小主应力、最大剪应力和岩石应变能的分布规律,进而预测区域天然裂缝的分布规律,同时分析了构造应力场在水平井压裂中对水力裂缝启裂方位、裂缝规模的控制作用等,为气田水平井整体开发井网部署及压裂设计提供借鉴。
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| 关 键 词： | 苏里格气田 应力场 数值模拟 裂缝方位 水力裂缝 |
Application of finite element study on tectonic stress field to horizontal well development of Sulige gas field |
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| Wu Zexin. Application of finite element study on tectonic stress field to horizontal well development of Sulige gas field[J]. Petroleum Geology and Engineering, 2013, 27(1): 79-81,140,141 |
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| Authors: | Wu Zexin |
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| Affiliation: | Wu Zexin (Geology Research Institute of Greatwall Drilling Company,PetroChina,Panjin,Liaoning 124010) |
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| Abstract: | Structural geologic model of Sulige gas field has been established.By using the finite element analysis method,the paper makes a study on the stress field inversion and threedimensional finite element numerical simulation of tectonic stress field,and gains the maximum principal stress,the minimum principal stress,the maximum shear stress and strain energy distribution of simulation region,and then to predict the regional natural fracture distribution.After the analysis of the structure stress field effect in horizontal well fracturing to hydraulic fracture initiation azimuth,fracture scale has been made.Finally through the micro-fracture four-dimensional vector scanning fracture monitoring data for inspection,the guidance of the gas field horizontal wellintegrated development well pattern deployment and fracturing design has been provided. |
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| Keywords: | Sugeli gas field stress field numerical simulation fracture azimuth hydraulically created fracture |
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