屯1井差应变分析法地应力测量
摘要
介绍了差应变分析法(DSA)原地应力测量技术原理,并采用此法对河南省洛阳—伊川盆地屯1井岩样进行了测试,结果显示该井1153.4～1167.8 m处最大水平主应力为北西向(141°—157°),与钻孔崩落椭圆长轴方位统计得到的最大水平主应力方向一致;最大水平应力数值小于铅直应力,属于正断层应力状态;主应力随深度线性增大。对该区域注采井网布局给出了建议,即本区注采井网布设应避免与141°—157°方向平行。
The principle method of the Differential Strain Analysis technique is briefly recommended.We tested the rock samples taken from the Well Tun-1 which was located in Luoyang-Yichuan basin in Henan Province.The results shows that the maximum horizontal principal stress is NW orientation(141°—157°) in the well of 1153.4~1167.8 m,which is consistent with the maximum horizontal principal stress orientation of the drill collapsing ellipse macro axis.Its value is less than vertical stress,and belongs to normal fault stress.The principal stress increases with depth linearity.Advice for the injection-production well pattern in this area is given,that is the pattern shall not parallel to 141°—157° orientation.
The principle method of the Differential Strain Analysis technique is briefly recommended.We tested the rock samples taken from the Well Tun-1 which was located in Luoyang-Yichuan basin in Henan Province.The results shows that the maximum horizontal principal stress is NW orientation(141°—157°) in the well of 1153.4~1167.8 m,which is consistent with the maximum horizontal principal stress orientation of the drill collapsing ellipse macro axis.Its value is less than vertical stress,and belongs to normal fault stress.The principal stress increases with depth linearity.Advice for the injection-production well pattern in this area is given,that is the pattern shall not parallel to 141°—157° orientation.
引文
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[3]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.WANG 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.
[4]石林,张旭东,金衍,等.深层地应力测量新方法[J].岩石力学与工程学报,2004,23(14):2355～2358.SHI Lin,ZHANG Xu-dong,JIN Yan,et al.New method for measurement of in-situ stresses at great depth[J].ChineseJournal of Rock Mechanics and Engineering,2004 23(14):2355～2358.
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[11]程远方,沈海超,赵益忠.一种简化的差应变地应力测量技术[J].石油钻采工艺,2008,30(2):61～64.CHENG Yuan-fang,SHEN Hai-chao,ZHAO Yi-zhong.A simplified differential strain analysis stress method for in-situstress measurement[J].Oil Drilling&Production Technology,2008,30(2):61～64.
[12]孙连环,鲍洪志,杨顺辉.准噶尔盆地中部区块地应力求取研究[J].石油钻探技术,2007,35(2):18～21.SUN Lian-huan,BAO Hong-zhi,YANG Shun-hui.Investigation of terrestrial stress in middle Zhunger Basin[J].Petroleum Drilling Techniques,2007,35(2):18～21.
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[14]金衍,陈勉,郭凯俊,等.复杂泥页岩地层地应力的确定方法[J].岩石力学与工程学报,2006,25(11):2287～2291.JIN yan,CHEN Mian,GUO Kai-jun,et al.Study on determination method of in-situ stress for complex silt formations[J].Chinese Journal of Rock Mechanics and Engineering,2006,25(11):2287～2291.
[15]Gough D I,Bell J S.Stress orientations from oil well fractures in Alberta and Texas[J].Canadian Journal of EarthSciences,1981,18(3):638～645.
[16]王连捷,崔军文,张晓卫,等.中国大陆科学钻主孔现今地应力状态[J].地球科学:中国地质大学学报,2006,31(4):505～512.WANG Lian-jie,CUI Jun-wen,ZHANG Xiao-wei,et al.In-situ stress state in the main borehole of the Chinese ContinentalScientific Drilling[J].Earth Science:Journal of China University of Geosciences,2006,31(4):505～512.
[17]崔军文,王连捷,李朋武,等.中国大陆科学钻探主孔2000米以上脆性变形构造应力场[J].岩石学报,2004,20(1):73～80.CUI Jun-wen,WANG Lian-jie,LI Peng-wu,et al.Tectonic stress field of brittle deformation within2000m of the main borehole of Chinese Continental Scientific Drilling[J].Acta Petrologica Sinica,2004,20(1):73～80.
[18]葛洪魁,林英松,王顺昌.地应力测试及其在勘探开发中的应用[J].石油大学学报:自然科学版,1998,22(1):94～99,116～117.GE Hong-kui,LIN Ying-song,WANG Shun-chang.In-situ stress determination technique and its applications in petroleum exploration and development[J].Journal of the University of Petroleum,China:Edition of Natural Science,1998,22(1):94～99,116～117.
[19]刘泽凯,陈耀林,唐汝众.地应力技术在油田开发中的应用[J].油气采收率技术,1994,1(1):46～56.LIU Ze-kai,CHEN Yao-lin,TANG Ru-zhong.The application of in-situ stress technology in the oilfield development[J].Oil and Gas Recovery Technology,1994,1(1):46～56.
[20]陶良军,冯兴武,黄青松,等.宝浪油田地应力和裂缝特征研究与应用[J].钻采工艺,2001,24(2):25～27.TAO Liang-jun,FENG Xing-wu,HUANG Qing-song,et al.Research and application off ormation stress and fracture feature in Baolang Oilfield[J].Drilling&Production Technology,2001,24(2):25～27.
[21]王伯军,张士诚,李莉.基于地应力场的井网优化设计方法研究[J].大庆石油地质与开发,2007,26(3):55～59.WANG Bo-jun,ZHANG Shi-cheng,LI Li.The well pattern optimization design method based on the earth stress field[J].Daqing Petroleum Geology and Development,2007,26(3):55～59.
[2]邓金根,黄荣樽,田效山.油田深部地层地应力测定的新方法[J].石油大学学报:自然科学版,1997,21(1):32～35.DENG Jin-gen HUANG Rong-zun,TIAN Xiao-shan.A new method for measuring deep in-situ stresses of oil fields[J].Journal of the University of Petroleum,China:Edition of Natural Sciences,1997,21(1):32～35.
[3]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.WANG 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.
[4]石林,张旭东,金衍,等.深层地应力测量新方法[J].岩石力学与工程学报,2004,23(14):2355～2358.SHI Lin,ZHANG Xu-dong,JIN Yan,et al.New method for measurement of in-situ stresses at great depth[J].ChineseJournal of Rock Mechanics and Engineering,2004 23(14):2355～2358.
[5]Sinha B K,Plona T J.Wave propagation in rocks with elastic-plastic deformations[J].Geophysics,2001,66(3):772～785.
[6]Strickland F D,Ran N K.Predicting the in-situ stress for deep wells using differential strain curve analysis[J].SPE8954,1980:251～255.
[7]彭华,马秀敏,姜景捷.差应变法地应力测量:以汶川地震断裂带科学钻探WFSD-1钻孔为例[J].地质力学学报,2011,17(3):249～261.PENG Hua,MA Xiu-min,JIANG Jing-jie.In-situ stress measurement by Differential Strain Analysis method in WFSD-1[J].Journal of Geomechanics,2011,17(3):249～261.
[8]侯守信,田国荣.古地磁岩心定向及其在地应力测量上的应用[J].地质力学学报,1999,5(1):90～96.HOU Shou-xin,TIAN Guo-rong.Palaeomagnetic orientation of cores and its applications for in-situ stress measurements[J].Journal of Geomechanics,1999,5(1):90～96.
[9]田国荣.差应变分析与古地磁结合确定地应力方向[D].北京:中国地质大学,2002:5～29.TIAN Guo-rong.In-situ stress orientation determination using differential strain analysis and palaeomagnetic orientation[D].Beijing:China University of Geosciences,2002:5～29.
[10]沈海超,程远方,王京印,等.主方向差应变地应力测量方法[J].新疆石油地质,2008,29(2):250～252.SHEN Hai-chao,CHENG Yuan-fang,WANG Jing-yin,et al.Principal direction differential strain method for in-situ stressmeasurement and application[J].Xinjiang Petroleum Geology,2008,29(2):250～252.
[11]程远方,沈海超,赵益忠.一种简化的差应变地应力测量技术[J].石油钻采工艺,2008,30(2):61～64.CHENG Yuan-fang,SHEN Hai-chao,ZHAO Yi-zhong.A simplified differential strain analysis stress method for in-situstress measurement[J].Oil Drilling&Production Technology,2008,30(2):61～64.
[12]孙连环,鲍洪志,杨顺辉.准噶尔盆地中部区块地应力求取研究[J].石油钻探技术,2007,35(2):18～21.SUN Lian-huan,BAO Hong-zhi,YANG Shun-hui.Investigation of terrestrial stress in middle Zhunger Basin[J].Petroleum Drilling Techniques,2007,35(2):18～21.
[13]韩军,刘洪涛.差应变分析法在地应力方向研究中的应用[J].石油天然气学报,2005,27(2):349～357.HAN Jun,LIU Hong-tao.Application of Differential Strain Analysis method on the study of in-situ stress direction[J].Journal of Petroleum and Natural Gas,2005,27(2):349～357.
[14]金衍,陈勉,郭凯俊,等.复杂泥页岩地层地应力的确定方法[J].岩石力学与工程学报,2006,25(11):2287～2291.JIN yan,CHEN Mian,GUO Kai-jun,et al.Study on determination method of in-situ stress for complex silt formations[J].Chinese Journal of Rock Mechanics and Engineering,2006,25(11):2287～2291.
[15]Gough D I,Bell J S.Stress orientations from oil well fractures in Alberta and Texas[J].Canadian Journal of EarthSciences,1981,18(3):638～645.
[16]王连捷,崔军文,张晓卫,等.中国大陆科学钻主孔现今地应力状态[J].地球科学:中国地质大学学报,2006,31(4):505～512.WANG Lian-jie,CUI Jun-wen,ZHANG Xiao-wei,et al.In-situ stress state in the main borehole of the Chinese ContinentalScientific Drilling[J].Earth Science:Journal of China University of Geosciences,2006,31(4):505～512.
[17]崔军文,王连捷,李朋武,等.中国大陆科学钻探主孔2000米以上脆性变形构造应力场[J].岩石学报,2004,20(1):73～80.CUI Jun-wen,WANG Lian-jie,LI Peng-wu,et al.Tectonic stress field of brittle deformation within2000m of the main borehole of Chinese Continental Scientific Drilling[J].Acta Petrologica Sinica,2004,20(1):73～80.
[18]葛洪魁,林英松,王顺昌.地应力测试及其在勘探开发中的应用[J].石油大学学报:自然科学版,1998,22(1):94～99,116～117.GE Hong-kui,LIN Ying-song,WANG Shun-chang.In-situ stress determination technique and its applications in petroleum exploration and development[J].Journal of the University of Petroleum,China:Edition of Natural Science,1998,22(1):94～99,116～117.
[19]刘泽凯,陈耀林,唐汝众.地应力技术在油田开发中的应用[J].油气采收率技术,1994,1(1):46～56.LIU Ze-kai,CHEN Yao-lin,TANG Ru-zhong.The application of in-situ stress technology in the oilfield development[J].Oil and Gas Recovery Technology,1994,1(1):46～56.
[20]陶良军,冯兴武,黄青松,等.宝浪油田地应力和裂缝特征研究与应用[J].钻采工艺,2001,24(2):25～27.TAO Liang-jun,FENG Xing-wu,HUANG Qing-song,et al.Research and application off ormation stress and fracture feature in Baolang Oilfield[J].Drilling&Production Technology,2001,24(2):25～27.
[21]王伯军,张士诚,李莉.基于地应力场的井网优化设计方法研究[J].大庆石油地质与开发,2007,26(3):55～59.WANG Bo-jun,ZHANG Shi-cheng,LI Li.The well pattern optimization design method based on the earth stress field[J].Daqing Petroleum Geology and Development,2007,26(3):55～59.
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