CALCULATING MODEL OF EQUIVALENT ROCK MECHANICAL PARAMETERS OF SAND-MUD INTERBED AND ITS APPLICATION
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摘要: 以地层岩石的变形分析为基础，从能量的角度出发，利用应变能理论及能量守恒定律推导出了等效岩石力学参数的一般计算公式，并建立了测井资料计算模型；利用该模型计算了库车坳陷克拉A气田目的层系巴什基奇克组的等效岩石力学参数，并以计算结果为基础进行了应力场及储层裂缝的数值模拟；最后讨论了等效岩石力学参数测井资料计算模型的优点及适用条件。模拟结果显示，储层裂缝集中发育在背斜高点及单斜构造部位，与气田目前的开发实践基本一致，表明了所建模型的合理性；等效岩石力学参数适用于区域性的横向应力场及储层裂缝预测，不适于预测局部或垂向上的储层裂缝分布规律。Abstract: On the basis of the deformation analysis of rocks and on the sense of energy, the general calculating formula of the equivalent rock mechanical parameters is deducted using strain energy theory and energy conservation law, and the logging data calculating model is established. The equivalent rock mechanical parameters of Bashijiqike Formation, the subject reservoir in Kela-A gas field, Kuqa depression, are calculated by the model, and the numerical simulation of stress field and reservoir fractures is carried out on the basis of the calculating result. The simulation demonstrates that reservoir fractures mainly develop on high spot of anticlines and monoclinal structure. This is generally consistent to the current developing practice, and thus the rationality of the model is proved. At last, the advantages and using conditions of the logging data calculating model of equivalent rock mechanical parameters are discussed. It is pointed that the equivalent rock mechanical parameters are suitable for regional and horizontal prediction of stress field and reservoir fractures, not for partial or vertical prediction of distribution regularity of reservoir fractures.
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图 1 三向应力状态下的砂泥岩间互地层模型
Figure 1. A sand-mud strata model in three-dimensional stress situation
图 2 库车坳陷克拉A气田A2-1井岩石力学参数测井解释结果
Figure 2. Logging interpretation results of rock mechanical parameters of the Well A2-1 in Kela-A gas field, Kuqa depression
图 3 库车坳陷克拉A气田巴什基奇克组应力场预测结果
Figure 3. Predicting results of stress field of Bashijiqike Formation in Kela-A gas field, Kuqa depression
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[1] 吴胜和.储层表征与建模[M].北京:石油工业出版社, 2010:256~287.WU Sheng-he. Reservoir characterization and modeling[M]. Beijing:Petroleum Industry Press, 2010:256~287. [2] 张仪萍, 王洋, 李涛.复合地基等效弹性参数研究[J].岩土力学, 2011, 32(7):2106~2110. http://www.cnki.com.cn/Article/CJFDTOTAL-YTLX201107032.htmZHANG Yi-ping, WANG Yang, LI Tao. Study of equivalent elastic parameters of composite foundations[J]. Rock and Soil Mechanics, 2011, 32(7):2106~2110. http://www.cnki.com.cn/Article/CJFDTOTAL-YTLX201107032.htm [3] 王亮清, 梁烨, 范雷, 等.贵州鱼简河水库拱坝地基软硬互层岩体等效弹性模量的试验研究[J].地质科技情报, 2010, 29(4):132~136. http://www.cnki.com.cn/Article/CJFDTOTAL-DZKQ201004021.htmWANG Liang-qing, LIANG Ye, FAN Lei, et al. Experimental study on elastic modulus of soft and hard interbedded rock mass of the Yujianhe reservoir arch dam foundation in Guizhou[J]. Geological Science and Technology Information, 2010, 29(4):132~136. http://www.cnki.com.cn/Article/CJFDTOTAL-DZKQ201004021.htm [4] 闫晓鹏, 牛卫晶, 王志华, 等.基于均匀化理论的混凝土等效弹性模量的数值模拟[J].太原理工大学学报, 2011, 42(2):212~214. http://www.cnki.com.cn/Article/CJFDTOTAL-TYGY201102025.htmYAN Xiao-peng, NIU Wei-jing, WANG Zhi-hua, et al. Numerical simulation of equivalent modulus of concrete based on homogenization theory[J]. Journal of Taiyuan University of Technology, 2011, 42(2):212~214. http://www.cnki.com.cn/Article/CJFDTOTAL-TYGY201102025.htm [5] 程军, 曾伟明, 方如华, 等.金属蜂窝夹芯板等效弹性模量的实验测试[J].实验力学, 2003, 18(1):50~55. http://www.cnki.com.cn/Article/CJFDTOTAL-SYLX200301010.htmCHENG Jun, ZENG Wei-ming, FANG Ru-hua, et al. Experimental measurement of metal honeycomb core sandwich panel equivalent modulus of elasticity[J]. Journal of Experimental Mechanics, 2003, 18(1):50~55. http://www.cnki.com.cn/Article/CJFDTOTAL-SYLX200301010.htm [6] 马辉, 高明忠, 张建康, 等.卵石土等效弹性模量理论预测模型初探[J].岩土力学, 2011, 32(12):3642~3646. doi: 10.3969/j.issn.1000-7598.2011.12.018MA Hui, GAO Ming-zhong, ZHANG Jian-kang, et al. Theoretical model developed for equivalent elastic modulus estimation of cobblestone-soil matrix[J]. Rock and soil Mechanics, 2011, 32(12):3642~3646. doi: 10.3969/j.issn.1000-7598.2011.12.018 [7] GU Chong-shi, WU Yuan, SU Huai-zhi. A new method of estimating the equivalent elastic modulus of RCCD[J]. Science in China Series E:Technological Sciences, 2007(Supp.1):136~143. doi: 10.1007%2Fs11431-007-6005-7.pdf [8] QIN Fei, CHEN Zhang-zhi, DU Qing-hua. The determination of an equivalent elastic modulus for bodies with cracks by boundary element method[J]. Acta Mechanica Solida Sinica, 1996, 9(3):210~216. http://www.cnki.com.cn/Article/CJFDTotal-GTLB199603003.htm [9] 刘平, 万泽青.复合材料等效弹性模量预测方法的改进[J].扬州大学学报:自然科学版, 2007, 10(1):21~23. http://www.cnki.com.cn/Article/CJFDTOTAL-YZDZ200701005.htmLIU Ping, WAN Ze-qing. Modified method for the prediction of effective elastic modulus of composite materials[J]. Journal of Yangzhou University:Natural Science Edition, 2007, 10(1):21~23. http://www.cnki.com.cn/Article/CJFDTOTAL-YZDZ200701005.htm [10] 署恒木, 薛世峰, 侯密山.地质工程力学[M].东营:中国石油大学出版社, 2007:8~10.SHU Heng-mu, XUE Shi-feng, HOU Mi-shan. Geological engineering mechanics[M]. Dongying:China University of Petroleum Press, 2007:8~10. [11] 季宗镇, 戴俊生, 汪必峰.地应力与构造裂缝参数间的定量关系[J].石油学报, 2010, 31(1):68~72. doi: 10.7623/syxb201001011JI Zong-zhen, DAI Jun-sheng, WANG Bi-feng. Quantitative relationship between crustal stress and parameters of tectonic fracture[J]. Acta Petrolei Sinica, 2010, 31(1):68~72. doi: 10.7623/syxb201001011 [12] 李志明, 张金珠.地应力与油气勘探开发[M].北京:石油工业出版社, 1997:22~23.LI Zhi-ming, ZHANG Jin-zhu. In-situ stress and petroleum exploration and development[M]. Beijing:Petroleum Industry Press, 1997:22~23. [13] 王连捷, 孙宝珊, 王薇, 等.地应力对油气运移的驱动作用[J].地质力学学报, 2011, 17(2):132~143. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=20110203&journal_id=dzlxxbWANG Lian-jie, SUN Bao-shan, WANG Wei, et al. Driving effect of the crustal stress on petroleum migration[J]. Journal of Geomechanics, 2011, 17(2):132~143. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=20110203&journal_id=dzlxxb [14] 闫萍, 孙建孟, 苏远大, 等.利用测井资料计算新疆迪那气田地应力[J].新疆石油地质, 2006, 27(5):611~614. http://www.cnki.com.cn/Article/CJFDTOTAL-XJSD200605029.htmYAN Ping, SUN Jian-meng, SU Yuan-da, et al. The earth stress calculation using well logging data in Dina gas field of Xinjiang[J]. Xinjiang Petroleum Geology, 2006, 27(5):611~614. http://www.cnki.com.cn/Article/CJFDTOTAL-XJSD200605029.htm [15] 季宗镇, 戴俊生, 汪必峰, 等.构造裂缝多参数定量计算模型[J].中国石油大学学报:自然科学版, 2010, 34(1):24~28. http://www.cnki.com.cn/Article/CJFDTOTAL-SYDX201001007.htmJI Zong-zhen, DAI Jun-sheng, WANG Bi-feng, et al. Multi-parameter quantitative calculation model for tectonic fracture[J]. Journal of China University of Petroleum:Natural Science Edition, 2010, 34(1):24~28. http://www.cnki.com.cn/Article/CJFDTOTAL-SYDX201001007.htm [16] 刘肖军.苏北盆地桥河口油田阜二段第三砂层组裂缝参数模拟计算[J].石油与天然气地质, 2010, 31(2):250~254, 259. doi: 10.11743/ogg20100218LIU Xiao-jun. Simulation of fracture parameters in the 3rd sand unit of the Paleogene Fu-2 member in the Qiaohekou oilfield[J]. Oil & Gas Geology, 2010, 31(2):250~254, 259. doi: 10.11743/ogg20100218 [17] 冯建伟, 戴俊生, 刘美利.低渗透砂岩裂缝孔隙度、渗透率与应力场理论模型研究[J].地质力学学报, 2011, 17(4):303~311. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=20110401&journal_id=dzlxxbFENG Jian-wei, DAI Jun-sheng, LIU Mei-li. Theoretical model about fracture porosity, permeability and stress field in the low-permeability sandstone[J]. Journal of Geomechanics, 2011, 17(4):303~311. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=20110401&journal_id=dzlxxb [18] 冯建伟, 戴俊生, 马占荣, 等.低渗透砂岩裂缝参数与应力场关系理论模型[J].石油学报, 2011, 32(4):664~671. doi: 10.7623/syxb201104015FENG Jian-wei, DAI Jun-sheng, MA Zhan-rong, et al. The theoretical model between fracture parameters and stress field of low-permeability sandstones[J]. Acta Petrolei Sinica, 2011, 32(4):664~671. doi: 10.7623/syxb201104015 -
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