留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

页岩储层各向异性对水平井坍塌压力的影响

张明明 梁利喜 刘向君

张明明, 梁利喜, 刘向君. 页岩储层各向异性对水平井坍塌压力的影响[J]. 应用数学和力学, 2017, 38(3): 295-309. doi: 10.21656/1000-0887.370155
引用本文: 张明明, 梁利喜, 刘向君. 页岩储层各向异性对水平井坍塌压力的影响[J]. 应用数学和力学, 2017, 38(3): 295-309. doi: 10.21656/1000-0887.370155
ZHANG Ming-ming, LIANG Li-xi, LIU Xiang-jun. Impacts of Rock Anisotropy on Horizontal Wellbore Stability in Shale Reservoir[J]. Applied Mathematics and Mechanics, 2017, 38(3): 295-309. doi: 10.21656/1000-0887.370155
Citation: ZHANG Ming-ming, LIANG Li-xi, LIU Xiang-jun. Impacts of Rock Anisotropy on Horizontal Wellbore Stability in Shale Reservoir[J]. Applied Mathematics and Mechanics, 2017, 38(3): 295-309. doi: 10.21656/1000-0887.370155

页岩储层各向异性对水平井坍塌压力的影响

doi: 10.21656/1000-0887.370155
基金项目: 国家自然科学基金石油化工联合基金重点支持项目(U1262209);国家自然科学基金(51274172);四川省应用基础研究计划项目(2014JY0092)
详细信息
    作者简介:

    张明明(1991— ),男,硕士生(E-mail: zhangm_ing@qq.com);梁利喜(1976—),男,讲师(通讯作者. E-mail: liangzby@163.com).

  • 中图分类号: TE243+.1

Impacts of Rock Anisotropy on Horizontal Wellbore Stability in Shale Reservoir

Funds: The National Natural Science Foundation of China(51274172)
  • 摘要: 为揭示层理页岩强度各向异性对水平井井壁坍塌压力的影响规律,对取自四川盆地龙马溪组页岩钻井不同层理角度的岩芯,通过岩芯观测、偏光显微镜、扫描电镜试验分别从宏观和微观角度研究了页岩层理特征,并基于单轴抗压强度研究了页岩强度各向异性特征.层理结构发育导致页岩呈现出显著的各向异性特征,粗略地将页岩视为各向同性体及简单采用Mohr-Coulomb准则作为破坏判据,使得预测的维持井壁稳定的坍塌压力不能满足安全钻井的需要.该文在研究层理地层岩石力学特性的基础上,采用横观各向同性地层井周应力分析模型,研究了弹性模量及地应力各向异性比对井周应力的影响;并结合考虑中间主应力的Mogi-Coulomb判据,分析了井壁坍塌压力对弹性模量E和Poisson(泊松)比ν各向异性比值变化的敏感性.实例分析结果表明:弹性模量和水平地应力各向异性比值的变化会对井周应力产生较大影响;Poisson比各向异性对井壁坍塌压力没有明显影响,而弹性模量比值的变化对井壁坍塌压力影响较大;横观各向同性地层中井壁坍塌压力与储层水平和垂直方向的硬脆性强弱关系有关,弹性力学参数各向异性既有可能利于井壁稳定,也可能更易导致井壁的剪切破坏;在实际工程中应根据储层岩石水平和垂直方向的硬脆性强弱关系,确定安全钻井液密度窗口.该结果对现场施工具有很好的指导意义.
  • [1] 廖晨. 中国页岩气资源及其勘探面临的问题[J]. 科技视界, 2016(2): 10.(LIAO Chen. China shale gas resources and its exploration problems[J]. Science and Technology Vision,2016(2): 10.(in Chinese))
    [2] US Energy Information Administration. Shale gas in the United States: recent developments and outlook[OL/Z]. http://www.Eia.Gov/reports, 2012.
    [3] Ghassemi A, Diek A. Achemo-poroelastic solution for stress and pore pressure distribution around a wellbore in transversely isotropic shale[C]// SPE/ISRM Rock Mechanics Conference.Irving, Texas, 2002: SPE-78162-MS.
    [4] 李玉梅, 柳贡慧, 李军, 等. 页岩储层各向异性对裂缝起裂压力的影响[J]. 特种油气藏, 2014,〖STHZ〗 21(6):133-137.(LI Yu-mei, LIU Gong-hui, LI Jun, et al. The influence of anisotropic to fracture pressure in shale gas reservoirs[J]. Special Oil and Gas Reservoirs,2014,21(6): 133-137.(in Chinese))
    [5] Ekbote S, Abousleiman Y, Zaman M M. Porothermoelastic solutions for an inclined borehole in transversely isotropic porous media[J]. Statistics in Medicine,2000,14(2): 161-184.
    [6] Aadnoy B S. Stresses around horizontal boreholes drilled in sedimentary rocks[J]. Journal of Petroleum Science & Engineering,1989,2(4): 349-360.
    [7] 马天寿, 陈平. 页岩层理对水平井井壁稳定的影响[J]. 西南石油大学学报(自然科学版), 2014,36(5): 97-104.(MA Tian-shou, CHEN Ping. Influence of shale bedding plane on wellbore stability for horizontal wells[J]. Journal of Southwest Petroleum University (Science & Technology Edition),2014,36(5): 97-104.(in Chinese))
    [8] 闫传梁, 邓金根, 蔚宝华, 等. 页岩气储层井壁坍塌压力研究[J]. 岩石力学与工程学报, 2013,32(8): 1595-1602.(YAN Chuan-liang, DENG Jin-gen, WEI Bao-hua, et al. Research on collapsing pressure of gas shale[J]. Chinese Journal of Rock Mechanics and Engineering,2013,32(8): 1595-1602.(in Chinese))
    [9] Lee H, Ong S H, Azeemuddin M, et al. A wellbore stability model for formations with anisotropic rock strengths[J]. Journal of Petroleum Science & Engineering,2012,96/97(19): 109-119.
    [10] Aadnoy B S. Modeling of the stability of highly inclined boreholes in anisotropic rock formations (includes associated papers 19213 and 19886 )[J]. Spe Drilling Engineering,1988,3(3): 259-268.
    [11] Lekhnitskii S G, Fern P, Brandstatter J J, et al. Theory of elasticity of an anisotropic elastic body[J].Physics Today,1964,17(1): 84.
    [12] Amadei B. Rock Anisotropy and the Theory of Stress Measurements [M]. Berlin, Heidelberg: Springer-Verlag, 1983.
    [13] Karpfinger F, Prioul R, Gaede O, et al. Revisiting borehole stresses in anisotropic elastic media: comparison of analytical versus numerical solutions[C]// 〖STBX〗45th U.S. Rock Mechanics/Geomechanics Symposium.San Francisco, California, 2011: ARMA-11-273.
    [14] 赵凯, 袁俊亮, 邓金根, 等. 层理产状对页岩气水平井井壁稳定性的影响[J]. 科学技术与工程, 2013,13(3): 580-583.(ZHAO Kai, YUAN Jun-Liang, DENG Jin-gen, et al. Effect of bedding plane occurrence on horizontal shale gas wellbore stability[J]. Science Technology and Engineering,2013,13(3): 580-583.(in Chinese))
    [15] 卢运虎, 陈勉, 袁建波, 等. 各向异性地层中斜井井壁失稳机理[J]. 石油学报, 2013,34(3): 563-568.(LU Yun-hu, CHEN Mian, YUAN Jian-bo, et al. Borehole instability mechanism of a borehole in anisotropic formation[J]. Acta Petrolei Sinica,2013,34(3): 563-568.(in Chinese))
    [16] 张卫东, 常龙, 高佳佳. 横观各向同性地层井壁应力分析[J]. 工程力学, 2015,32(11): 243-250.(ZHANG Wei-dong, CHANG Long, GAO Jia-jia. Stress analysis at the borehole wall in tanscerse isotropic formations[J]. Engineering Mechanics, 2015,32(11): 243-250.(in Chinese))
    [17] Vahid S, Ahmad G. Hydraulic fracture initiation from a wellbore in transversely isotropic rock[C]//45th U.S. Rock Mechanics/Geomechanics Symposium.San Francisco, California, 2011: ARMA-11-201.
    [18] 李军, 柳贡慧, 陈勉. 正交各向异性地层井壁围岩应力新模型[J]. 岩石力学与工程学报, 2011,30(12): 2481-2485.(LI Jun, LIU Gong-hui, CHEN Mian. New model for stress of borehole surrounding rock in orthotropic formation[J]. Chinese Journal of Rock Mechanics and Engineering,2011,30(12): 2481-2485. (in Chinese))
    [19] 兰凯, 刘明国, 晁文学. 横观各向同性水敏性地层斜井眼坍塌压力确定[J]. 吉林大学学报(地球科学版), 2015,45(1): 198-206.(LAN Kai, LIU Ming-guo, CHAO Wen-xue. Determination of collapse pressure for deviated wellbore in transversely isotropic water-sensitive formation[J].Journal of Jilin University(Earth Science Edition),2015,45(1): 198-206. (in Chinese))
    [20] ZHANG Feng, LI Xiang-yang. Exact elastic impedance matrices for transversely isotropic medium[J].Geophysics,2016,81(2): C1-C15.
    [21] Al-Shaaibi S K, Al-Ajmi A M, Al-Wahaibi Y. Three dimensional modeling for predicting sand production[J].Journal of Petroleum Science and Engineering,2013,109: 348-363.
    [22] 金衍, 陈勉. 井壁稳定力学[M]. 北京: 科学出版社, 2012.(JIN Yan, CHEN Mian. Wellbore Stability Mechanics [M]. Beijing: Science Press, 2012.(in Chinese))
  • 加载中
计量
  • 文章访问数:  527
  • HTML全文浏览量:  34
  • PDF下载量:  918
  • 被引次数: 0
出版历程
  • 收稿日期:  2016-05-18
  • 修回日期:  2016-10-09
  • 刊出日期:  2017-03-15

目录

    /

    返回文章
    返回