NUMERICAL SIMULATION OF STRUCTURAL FRACTURES CONTROLLED BY PIQIANG STRIKE-SLIP FAULT
-
摘要: 在深入探讨皮羌走滑断裂对构造裂缝控制作用的基础上，应用ANSYS有限元方法，模拟区域差应力、走滑断裂宽度和走向等因素影响下构造裂缝分布发育的规律。模拟结果表明，构造裂缝带宽随区域差应力增大呈线性增大，随断裂带宽度增大呈线性减小，随断裂走向与区域差应力夹角增大呈线性减小；施加的区域差应力值是影响构造裂缝发育的主要因素。Abstract: Based on the intensive research on development of structural fractures that controlled by the Piqiang strike-slip fault, this paper has simulated the distribution of structural fractures under the influence of the regional deviatoric stress, the width and trend of the strike-slip fault through the "ANSYS" finite element method. The simulating results indicated that the width of the fractures increased linearly with the increase of the regional deviatoric stress, decreased linearly with the increase of the width of the faulted belt, and decreased linearly with the increase of the angle between regional deviatoric stress and the fault trend. The regional deviatoric stress is the main factor that controls the development of the fractures.
-
图 1 巴楚区域地质及皮羌断裂位置图
Qp3-Qh—上更新统—全新统；Qp2—中更新统；N-Qp1—新近系—下更新统；E—古近系；C-P—石炭-二叠系；D—泥盆系；S—志留系；C-O—寒武系—奥陶系；r—华力西期花岗岩
Figure 1. The regional geological map of Bachu and local map of Piqiang strike-slip fault
图 2 皮羌断裂控制构造裂缝分布发育规律
Figure 2. The distance-surface density fitting chart of Piqiang strike-slip fault
图 3 皮羌走滑断裂及研究区域的地质模型
Figure 3. Geological model of Piqiang strike-slip fault and the study area
图 4 皮羌走滑断裂及研究区域的平面力学模型
Figure 4. Plane mechanical model of Piqiang strike-slip fault and study area
图 5 改变施加的区域差应力条件下构造裂缝分布发育图
Figure 5. The distribution of the tension fractures under the influence of the deviatoric stress
图 6 改变断裂带宽度条件下构造裂缝分布发育图
Figure 6. The distribution of the tension fractures under the influence of the width of the strike-slip fault
图 7 改变断裂走向条件下构造裂缝分布发育图
Figure 7. The distribution of the tension fractures under the influence of the trend of the strike-slip fault
表 1 不同影响因素下张裂缝发育带宽度统计
Table 1. The data of the width of tension fracture and the influence factor
表 2 张裂缝发育各影响因素拟合公式斜率和相关系数
Table 2. The data of the slope and the correlation coefficient
-
[1] 王仁, 丁中一, 殷有泉.固体力学基础[M].北京:地质出版社, 1979.WANG Ren, DING Zhong-yi, YIN You-qun. Solid mechanics[M]. Beijing:Geological Publishing House, 1979. [2] 文世鹏, 李德同.储层构造裂缝数值模拟技术[J].石油大学学报, 1996, 20(5):17~24. http://www.cnki.com.cn/Article/CJFDTOTAL-SYXB804.009.htmWEN Shi-peng, LI De-tong. Numerical simulation technology for structural fracture of reservoir[J]. Journal of the University of Petroleum, 1996, 20(5):17~24. http://www.cnki.com.cn/Article/CJFDTOTAL-SYXB804.009.htm [3] 曹春富, 孙绍春, 张吉昌.利用有限元法定量预测变质岩储层构造裂缝[J].特种油气藏, 1997, 4(1):24~28. http://www.cnki.com.cn/Article/CJFDTOTAL-TZCZ199701005.htmCAO Chun-fu, SUN Shao-chun, ZHANG Ji-chang. Quantitative prediction of structural fractures of metamorphic rock reservoir by finite element[J]. Special Oil & Gas Reservoirs, 1997, 4(1):24~28. http://www.cnki.com.cn/Article/CJFDTOTAL-TZCZ199701005.htm [4] 丁中一, 钱祥麟, 霍红, 等.构造裂缝定量预测的一种新方法——二元法[J].石油与天然气地质, 1998, 19(1):1~7. doi: 10.11743/ogg19980101DING Zhong-yi, QIAN Xiang-lin, HUO Hong, et al. A new method for quantitative prediction of tectonic fractures:Two-factor method[J]. Oil & Gas Geology, 1998, 19(1):1~7. doi: 10.11743/ogg19980101 [5] 陈波, 田崇鲁.储层构造裂缝数值模拟技术的应用实例[J].石油学报, 1998, 19(4):50~54. doi: 10.7623/syxb199804009CHEN Bo, TIAN Chong-lu. Numerical simulation technique for structural fractures in a reservoir:Case studies[J]. Acta Petrolei Sinica, 1998, 19(4):50~54. doi: 10.7623/syxb199804009 [6] 宋惠珍.脆性岩储层裂缝定量预测的尝试[J].地质力学学报, 1999, 5(1):76~84. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=19990105&journal_id=dzlxxbSONG Hui-zhen. An attempt of quantitative prediction of natural crack on brittle rock reservoir[J]. Journal of Geomechanics, 1999, 5(1):76~84. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=19990105&journal_id=dzlxxb [7] 谭成轩, 王连捷.三维构造应力场数值模拟在含油气盆地构造裂缝分析中应用初探[J].地球学报, 1999, 20(4):392~394. http://www.cnki.com.cn/Article/CJFDTOTAL-DQXB199904010.htmTAN Cheng-xuan, WANG Lian-jie. An approach to the application of 3-D tectonic stress field numerical simulation in structural fissure analysis of the oil-gas-bearing basin[J]. Acta Geoscientia Sinica, 1999, 20(4):392~394. http://www.cnki.com.cn/Article/CJFDTOTAL-DQXB199904010.htm [8] 孙焕泉, 王加滢.地下构造裂缝分布规律及其预测[J].大庆石油学院学报, 2000, 24(3):83~85. http://www.cnki.com.cn/Article/CJFDTOTAL-DQSY200003029.htmSUN Huan-quan, WANG Jia-ying. Distribution law of underground structural fissures and their forecasting[J]. Journal of Daqing Petroleum Institute, 2000, 24(3):83~85. http://www.cnki.com.cn/Article/CJFDTOTAL-DQSY200003029.htm [9] 李淑恩, 张绍辉, 岳奎, 等.构造应力场数值模拟分析技术及其应用[J].油气地质与采收率, 2001, 8(6):38~40. http://www.cnki.com.cn/Article/CJFDTOTAL-YQCS200106010.htmLI Shu-en, ZHANG Shao-hui, YUE Kui, et al. Numerical simulation analysis technique of structural stress field and its application[J]. Petroleum Geology and Recovery Efficiency, 2001, 8(6):38~40. http://www.cnki.com.cn/Article/CJFDTOTAL-YQCS200106010.htm [10] 陈艳华, 朱庆杰, 苏幼坡.基于格里菲斯准则的地下岩体天然裂缝分布的有限元模拟研究[J].岩石力学与工程学报, 2003, 22(3):364~369. http://www.cnki.com.cn/Article/CJFDTOTAL-YSLX200303005.htmCHEN Yan-hua, ZHU Qing-jie, SU You-po. Finite element research on natural fracture distribution in underground rocks according to Griffith criterion[J]. Chinese Journal of Rock Mechanics and Engineering, 2003, 22(3):364~369. http://www.cnki.com.cn/Article/CJFDTOTAL-YSLX200303005.htm [11] 何光明, 高如曾.分形理论在裂缝预测中的尝试[J].石油物探, 1993, 32(2):1~13. http://www.cnki.com.cn/Article/CJFDTOTAL-SYWT199302000.htmHE Guang-ming, GAO Ru-zeng. Fracture prediction based on fractal theory[J]. Geophysical Prospecting for Petroleum, 1993, 32(2):1~13. http://www.cnki.com.cn/Article/CJFDTOTAL-SYWT199302000.htm [12] 侯贵廷.裂缝的分形分析方法[J].应用基础与工程科学学报, 1994, 2(4):299~305. http://www.cnki.com.cn/Article/CJFDTOTAL-YJGX199404004.htmHOU Gui-ting. Fractal analysis of fractures[J]. Journal of Basic Science and Engineering, 1994, 2(4):299~305. http://www.cnki.com.cn/Article/CJFDTOTAL-YJGX199404004.htm [13] 万天丰.古构造应力场[M].北京:地质出版社, 1988:4~10.WAN Tian-feng. Paleotectonic stress field[M]. Beijing:Geological Publishing House, 1988:4~10. [14] 张明利, 万天丰.含油气盆地构造应力场研究新进展[J].地球科学进展, 1998, 13(1):38~43. http://www.cnki.com.cn/Article/CJFDTOTAL-DXJZ801.007.htmZHANG Ming-li, WAN Tian-feng. The new research development of tectonic stress field in oil and gas basin[J]. Advances in Earth Sciences, 1998, 13(1):38~43. http://www.cnki.com.cn/Article/CJFDTOTAL-DXJZ801.007.htm [15] Martin A M, Cloeginch S, Vicente G D, et al. Finite-element modeling of Tertiary paleostress field in the eastern part of the Tajo Basin (central Spain)[J]. Tectonophysics, 1998, 300(1~4):47~62. doi: 10.1016/S0040-1951(98)00233-9 [16] 孙宏斌, 陈汉林, 程晓敢, 等.辽河盆地葵花岛构造裂隙发育的有限元模拟[J].地质科学, 2004, 39(2):199~205. http://www.cnki.com.cn/Article/CJFDTOTAL-DZKX200402005.htmSUN Hong-bin, CHEN Han-lin, CHENG Xiao-gan, et al. Finite element simulation of fracture development in the Kuihuadao Structure, Liaohe Basin[J]. Chinese Journal of Geology, 2004, 39(2):199~205. http://www.cnki.com.cn/Article/CJFDTOTAL-DZKX200402005.htm [17] 童亨茂, 郑磊.三维地震资料在古应力场反演和裂缝预测中的应用——以胜利油田富台潜山为例[J].地质科学, 2007, 42(1):45~57. http://www.cnki.com.cn/Article/CJFDTOTAL-DZKX200701006.htmTONG Heng-mao, ZHENG Lei. Applications of 3D seismic data in paleo-tectonic stress field backward modeling and fissures prediction:A case study from the Futai Buried Hill, Shengli oilfield[J]. Chinese Journal of Geology, 2007, 42(1):45~57. http://www.cnki.com.cn/Article/CJFDTOTAL-DZKX200701006.htm [18] 王连捷, 王红才, 王薇, 等.油田三维构造应力场、裂缝与油气运移[J].岩石力学与工程学报, 2004, 23(23):4052~4057. doi: 10.3321/j.issn:1000-6915.2004.23.024WANG Lian-jie, WANG Hong-cai, WANG Wei, et al. Relation among three dimensional tectonic stress field, fracture and migration of oil and gas in oil field[J]. Chinese Journal of Rock Mechanics and Engineering, 2004, 23(23):4052~4057. doi: 10.3321/j.issn:1000-6915.2004.23.024 [19] Joussineau G D, Petit J P, Gauthier B D. Photoelastic and numerical investigation of stress distributions around fault models under biaxial compressive loading conditions[J]. Tectonophysics, 2003, 363(1~2):19~43. doi: 10.1016/S0040-1951(02)00648-0 [20] Maerten L, Gillespie P, Pollard D D. Effects of local stress perturbation on secondary fault development[J]. Journal of Structural Geology, 2002, 24(1):145~153. doi: 10.1016/S0191-8141(01)00054-2 [21] 万天丰.中国中、新生代板内变形与构造应力场[J].地质力学学报, 1996, 2(3):13. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=19960332&journal_id=dzlxxbWAN Tian-feng. The Mesozoic and Cenozoic intraplate deformation and tectonic stress field in China[J]. Journal of Geomechanics, 1996, 2(3):13. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=19960332&journal_id=dzlxxb [22] 万天丰, 任之鹤.中国中、新生代板内变形速度研究[J].现代地质, 1999, 13(1):83~92. http://www.cnki.com.cn/Article/CJFDTOTAL-XDDZ901.013.htmWAN Tian-feng, REN Zhi-he. Research on the intraplate deformation velocity of China in Meso Cenozoic[J]. Geoscience, 1999, 13(1):83~92. http://www.cnki.com.cn/Article/CJFDTOTAL-XDDZ901.013.htm [23] 童亨茂.储层裂缝描述与预测研究进展[J].新疆石油学院学报, 2004, 16(2):9~13. http://www.cnki.com.cn/Article/CJFDTOTAL-XJSY200402003.htmTONG Heng-mao. Description and prediction of reservoir fractures networks[J]. Journal of Xinjiang Petroleum Institute, 2004, 16(2):9~13. http://www.cnki.com.cn/Article/CJFDTOTAL-XJSY200402003.htm [24] 操成杰. 川西北地区构造应力场分析与应用[D]. 西安: 西北大学, 2001. http://cdmd.cnki.com.cn/Article/CDMD-82501-2007213433.htmCAO Cheng-jie. Analysis and application of tectonic stress field in the northwestern Sichuan Basin[D]. Xi'an:Northwestern University, 2001 http://cdmd.cnki.com.cn/Article/CDMD-82501-2007213433.htm [25] 张乐, 姜在兴, 郭振廷.构造应力与油气成藏关系[J].天然气地球科学, 2007, 18(1):31~35. http://www.cnki.com.cn/Article/CJFDTOTAL-TDKX200701006.htmZHANG Le, JIANG Zai-xing, GUO Zhen-ting. Relationship between structural stress and hydrocarbon bearing pool formation[J]. Natural Gas Geoscience, 2007, 18(1):31~35. http://www.cnki.com.cn/Article/CJFDTOTAL-TDKX200701006.htm [26] 刘佑荣, 唐辉明.岩体力学[M].武汉:中国地质大学出版社, 2008.LIU You-rong, TANG Hui-ming. Rockmass mechanics[M]. Wuhan:China University of Geosciences Press, 2008. [27] Bertoluzza L, Perotti C R. A finite-element model of the stress field in strike-slip basins:Implication for the Permian tectonics of the southern Alps (Italy)[J]. Tectonophysics, 1997, 280(1~2):185~197. doi: 10.1016/S0040-1951(97)00140-6 [28] 王红罡, 吕炳全, 徐国强, 等.胜利油田埕北30潜山裂缝系统的地应力有限元法分析[J].上海地质, 2003, (2):26~30. http://www.cnki.com.cn/Article/CJFDTOTAL-SHAD200302009.htmWANG Hong-gang, LÜ Bing-quan, XU Guo-qiang, et al. Finite element analysis on paleotectonic stress of buried hill seaming system in Chenbei 30 of Shengli Oilfield[J]. Shanghai Geology, 2003, (2):26~30 http://www.cnki.com.cn/Article/CJFDTOTAL-SHAD200302009.htm [29] Homberg C, Angelier J, Bergerat F. et al. Using stress deflections to identify slip events in fault systems[J]. Earth and Planetary Science Letters, 2004, 217(3~4):409~424. doi: 10.1016/S0012-821X(03)00586-7 [30] Hou G T, Wang C C, Li J H, et al. Late paleoproterozoic extension and a paleostress field reconstruction of the North China Craton[J]. Tectonophysics, 2006, 422(1~4):89~98. doi: 10.1016/j.tecto.2006.05.008 [31] 佟彦明.胶莱盆地莱阳期古构造应力场分析及模拟[J].大庆石油地质与开发, 2007, 26(1):6~9. http://www.cnki.com.cn/Article/CJFDTOTAL-DQSK200701001.htmTONG Yan-ming. The paletectonic stress field at Laiyang Stage in Jiaolai Basin and the simulation[J]. Petroleum Geology & Oilfield Development in Daqing, 2007, 26(1):6~9. http://www.cnki.com.cn/Article/CJFDTOTAL-DQSK200701001.htm [32] 宋方敏, 闵伟, 韩竹军, 等.南天山柯坪塔格推覆体前缘断裂活动性质及速率[J].地震地质, 2007, 29(2):272~281. http://www.cnki.com.cn/Article/CJFDTOTAL-DZDZ200702005.htmSONG Fang-min, MEN Wei, HAN Zhu-jun, et al. Activities and slip rate of the frontal faults of the Kalpingtag nappe, Tianshan Mountains, China[J]. Seismology and Geology, 2007, 29(2):272~281. http://www.cnki.com.cn/Article/CJFDTOTAL-DZDZ200702005.htm [33] 曲国胜, 李亦纲, 陈杰, 等.柯坪塔格推覆构造几何学、运动学及其构造演化[J].地学前缘, 2003, 10(增刊):142~150. http://www.cnki.com.cn/Article/CJFDTOTAL-DXQY2003S1020.htmQU Guo-sheng, LI Yi-gang, CHEN Jie, et al. Geometry, kinematics and tectonic evolution of Kepingtage thrust system[J]. Earth Science Frontiers, 2003, 10(Supp.):142~150. http://www.cnki.com.cn/Article/CJFDTOTAL-DXQY2003S1020.htm [34] 杨晓平, 冉勇康, 宋方敏, 等.西南天山柯坪逆冲推覆构造带的地壳缩短分析[J].地震地质, 2006, 28(2):194~203. http://www.cnki.com.cn/Article/CJFDTOTAL-DZDZ200602002.htmYANG Xiao-ping, RAN Yong-kang, SONG Fang-min, et al. The analysis for crust shortening of Kalpin thrust tectonic zone, southwestern Tianshan, Xinjiang, China[J]. Seismology and Geology, 2006, 28(2):194~203. http://www.cnki.com.cn/Article/CJFDTOTAL-DZDZ200602002.htm [35] 张庆莲, 侯贵廷, 潘文庆, 等.新疆巴楚地区走滑断裂对碳酸盐岩构造裂缝发育的控制[J].地质通报, 2010, 29(8):1160~1167. http://www.cnki.com.cn/Article/CJFDTOTAL-ZQYD201008011.htmZHANG Qing-lian, HOU Gui-ting, PAN Wen-qing, et al. Development of fractures in carbonate rocks under the influence of strike-slip faults in Bachu area, Xinjiang, China[J]. Geological Bulletin of China, 2010, 29(8):1160~1167. http://www.cnki.com.cn/Article/CJFDTOTAL-ZQYD201008011.htm [36] 莫维尼. 有限元分析: ANSYS理论与应用[M]. 欧阳宇译. 北京: 电子工业出版社, 2003.Moaven I S. Finite element analysis:Theory and application of ANSYS[M]. OUYANG Yu (Translated). Beijing:Publishing House of Electronics Industry, 2003. [37] 刘涛, 杨凤鹏.精通ANSYS[M].北京:清华大学出版社, 2002.LIU Tao, YANG Feng-peng. Proficient in ANSYS[M]. Being:Tsinghua University Press, 2002. [38] 蒋有录, 张乐, 鲁雪松, 等.基于ANSYS的应力场模拟在库车坳陷克拉苏地区的初步应用[J].天然气工业, 2005, 25(4):42~44. http://www.cnki.com.cn/Article/CJFDTOTAL-TRQG20050400F.htmJIANG You-lu, ZHANG Le, LU Xue-song, et al. Application of the tectonic stress field simulation based on ANSYS in Kelasu region of Kuche depression[J]. Natural Gas Industry, 2005, 25(4):42~44. http://www.cnki.com.cn/Article/CJFDTOTAL-TRQG20050400F.htm [39] Reynolds S D, Coblentz D D, Hillis R R. Tectonic forces controlling the regional interpolate stress field in continental Australia:Results from new finite element modeling[J]. Geophys. Res., 2002, 107(B7):2131 [40] 王岩欣, 侯贵廷, 李江海, 等.塔北隆起中西部新近纪末构造应力场数值模拟[J].北京大学学报, 2008, 3(30):52~57. http://www.cnki.com.cn/Article/CJFDTOTAL-BDXP200801010.htmWANG Yan-xin, HOU Gui-ting, LI Jiang-hai, et al. Numercial simulation of tectonic stress field at the end of Neocene in the Midwest of Tabei uplift[J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2008, 3(30):52~57. http://www.cnki.com.cn/Article/CJFDTOTAL-BDXP200801010.htm -
下载:
点击查看大图
图(7) / 表(2)
计量
- 文章访问数: 195
- HTML全文浏览量: 86
- PDF下载量: 7
- 被引次数: 0
