移动趋势面法识别微幅度构造的多参数分析
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摘要
微幅度构造是吐哈盆地葡北地区七克台组油气成藏的有利构造带,受地震资料分辨率的限制,地震解释技术无法满足微幅度构造精细识别的要求。通过采用移动趋势面方法进行微幅度构造识别的反复试验及分析,并针对其拟合次数、采样间隔和影响半径3个关键参数的优选方法及评价方式进行综合研究,选取二次拟合后认为,最高拟合度的采样间隔及两倍采样间隔的影响半径是移动趋势面法识别微幅度构造的最佳参数组合,为该区微幅度构造的识别提供了有利的方法及参数依据。葡北地区微幅度构造主要分布在鼻状构造背景的轴线及其东北部斜坡区,分布特征与钻井及油气分布区吻合度高。
The Qiketai Formation is located in the Pubei Region of the Turpan-Hami Basin.Within the formation,microamplitude structures(MAS) form a favorable tectonic zone for hydrocarbon accumulation.Presently,the resolution of seismic data limits seismic interpretation technologies,making them unable to satisfy the requirements for fine-grained identification of MAS.As an alternative,the moving trend surface method,was used in this study to repeatedly test and analyze MAS.The preferred selection methods for three critical parameters-number of fits,sampling interval,and radius of influence-were also comprehensively studied.After quadratic fitting was selected,the optimal combination of parameters for MAS identification using the moving trend surface method were found to be:(i) the sampling interval for the maximum degree of fit,and(ii) a radius of influence that was two times the sampling interval.These findings were useful for optimizing parameters for MAS identification in the Pubei Region.MAS were found to be mainly distributed along the axis of the nose-shaped tectonic setting and the northeastern slope.Their distributional characteristics were in agreement with the results found during drilling of the hydrocarbon areas.
The Qiketai Formation is located in the Pubei Region of the Turpan-Hami Basin.Within the formation,microamplitude structures(MAS) form a favorable tectonic zone for hydrocarbon accumulation.Presently,the resolution of seismic data limits seismic interpretation technologies,making them unable to satisfy the requirements for fine-grained identification of MAS.As an alternative,the moving trend surface method,was used in this study to repeatedly test and analyze MAS.The preferred selection methods for three critical parameters-number of fits,sampling interval,and radius of influence-were also comprehensively studied.After quadratic fitting was selected,the optimal combination of parameters for MAS identification using the moving trend surface method were found to be:(i) the sampling interval for the maximum degree of fit,and(ii) a radius of influence that was two times the sampling interval.These findings were useful for optimizing parameters for MAS identification in the Pubei Region.MAS were found to be mainly distributed along the axis of the nose-shaped tectonic setting and the northeastern slope.Their distributional characteristics were in agreement with the results found during drilling of the hydrocarbon areas.
引文
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[14]邓兴梁,张庆玉,梁彬,等.塔中Ⅱ区奥陶系鹰山组岩溶古地貌恢复方法研究[J].中国岩溶,2015,34(2):60-64.doi:10.11932/karst20150208DENG Xingliang,ZHANG Qingyu,LIANG Bin,et al.Reconstruction of karst palaeogeomorphology for the Ordovician Yingshan Formation in the central Tarim Basin[J].Carsologica Sinica,2015,34(2):60-64.doi:10.-11932/karst20150208
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[16]李伟波,李培明,睢永平.地震资料空间分辨率计算及理论分析[J].石油物探,2016,55(2):173-177.doi:10.3969/j.issn.l000-1441.2016.02.002LI Weibo,LI Peiming,SUI Yongping.Calculation and theoretical analysis of the spatial resolution of seismic data[J].Geophysical Prospecting for Petroleum,2016,55(2):173-177.doi:10.3969/j.issn.l000-1441.2016.02.002
[17]王元君,周怀来.时频域动态反褶积方法研究[J].西南石油大学学报(自然科学版),2015,37(1):1-10.doi:10.11885/j.issn.l674-5086.2014.12.29.01WANG Yuanjun,ZHOU Huailai.Research of dynamic deconvolution method in time-frequency domain[J].Journal of Southwest Petroleum University(Science&Technology Edition),2015,37(1):1-10.doi:10.11885/j.issn.-1674-5086.2014.12.29.01
[18]刘玉虎,赵丹丹,刘兴旺,等.吐哈侏罗系原型盆地演化对烃源岩分布的控制[J].西南石油大学学报(自然科学版),2012,34(4):29-39.doi:10.3863/j.issn.1674-5086.2012.04.004LIU Yuhu,ZHAO Dandan,LIU Xingwang,et al.The evolution of Turpan-Hami Jurassic prototype Basin and its control on the distribution of source rocks[J].Journal of Southwest Petroleum University(Science&Technology Edition),2012,34(4):29-39.doi:10.3863/j.issn.l674-5086.2012.04.004
[19]杨占龙,吴青鹏,黄云峰,等.吐哈盆地北部逆冲构造带油气成藏模式与勘探方向[J].天然气地球科学,2016,27(6):974-981.doi:10.11764/j.issn.1672-1926.-2016.06.0974YANG Zhanlong,WU Qingpeng,HUANG Yunfeng,et al.Hydrocarbon accumulation and exploration domain of northern thrust belts in Turpan-Kumul Basin[J].Natural Gas Geoscience,2016,27(6):974-981.doi:10.11764/j.-issn.1672-1926.2016.06.0974
[20]周志军,薛江龙,赵立斌.数值模拟拟合精度方法研究——以龙虎泡油田为例[J].岩性油气藏,2016,28(1):101-105.doi:10.3969/j.issn.1673-8926.-2016.01.013ZHOU Zhijun,XUE Jianglong,ZHAO Libin.Numerical simulation fitting technology:A case study from Longhupao Oilfield[J].Lithologic Reservoirs,2016,28(1):101-105.doi:10.3969/j.issn.l673-8926.2016.01.013
[21]于运治,田茂军,姜璐.空间插值算法在构建海洋地磁图中的应用[J].舰船科学技术,2013,35(7):37-41.doi:10.3404/j.issn.1672-7649.2013.07.007YU Yunzhi,TIAN Maojun,JIANG Lu.The application of spatial interpolation algorithm in marine geomagnetic mapping[J].Ship Science and Technology,2013,35(7):37-41.doi:10.3404/j.issn.l672-7649.2013.07.007
[2]LANCASTER P,SALKAUSKAS K.Surfaces generated by moving least squares methods[J].Mathematics of Computation,1981,37(155):141-158.doi:10.13800/j.cnki.-xakjdxxb.2015.0104
[3]葛永慧,康志军.加权移动趋势面拟合[J].工程图学学报,2008(2):110-114.doi:10.3969/j.issn.1003-0158.-2008.02.019GE Yonghui,KANG Zhijun.Weighted technology of moving trend surface fitting[J].Journal of Engineering Graphics,2008(2):110-114.doi:10.3969/j.issn.1003-0158.2008.02.019
[4]段滔,刘耀林.基于移动趋势面分析法的城市基准地价评价研究[J].武汉大学学报,2004,29(6):529-532.doi:10.3321/j.issn:1671-8860.2004.06.015DUAN Tao,LIU Yaolin.Urban base land value evaluation based on mobile trend sufacec analysis[J].Geomatics and Information Science of Wuhan University,2004,29(6):529-532.doi:10.3321/j.issn:1671-8860.2004.06.-015
[5]曾清红,卢德唐.基于移动最小二乘法的曲线曲面拟合[J].工程图学学报,2004(1):84-88.doi:10.3969/j.-issn.1003-0158.2004.01.017ZENG Qinghong,LU Detang.Curve and surface fitting based on moving least squares[J].Journal of Engineering Graphics,2004(1):84-88.doi:10.3969/j.issn.1003-0158.-2004.01.017
[6]MULLINEUX G.Non-linear least squares fitting of coefficients[J].Applied Mathematical Modelling,2008,32(12):2538-2551.doi:10.1016/j.apm.2007.09.010
[7]王秋玲.趋势面拟合法在土地勘测中的应用[J].城市勘测,2014(5):146-148.doi:10.3969/j.issn.1672-8262.-2014.05.047WANG Qiuling.Application of trend face simulation method to and survey[J].Urban Geotechnical Investigation&Surveying,2014(5):146-148.doi:10.3969/j.issn.1672-8262.2014.05.047
[8]李广春,戴吾蛟,曾凡河,等.三维动态趋势面模型在地面沉降分析中的应用[J].大地测量与地球动力学,2016,36(6):508-511.doi:10.14075/j.jgg.2016.06.009LI Guangchun,DAI Wujiao,ZENG Fanhe,et al.Application of Three-dimensional dynamic trend surface fitting model on land subsidence[J].Journal of Geodesy and Geodynamics,2016,36(6):508-511.doi:10.14075/j.jgg.-2016.06.009
[9]李随民,姚书振,韩玉丑.Surfer软件中利用趋势面方法圈定化探异常[J].地质与勘探,2007,43(2):72-75.doi:10.3969/j.issn.0495-5331.2007.02.014LI Suimin,YAO Shuzhen,HAN Yuchou.Using tendency analysis method to deal with geochemical data based on the surfer software[J].Geology and Prospecting,2007,43(2):72-75.doi:10.3969/j.issn.0495-5331.2007.02.014
[10]管仁荣.趋势面分析在地球物理勘探中的应用研究[J].中国矿业,2012,21(S1):474-478.GUAN Renrong.The study of trend surface analysis[J].China Mining Magazine,2012,21(S1):474-478.
[11]王建民,王佳嫒.鄂尔多斯盆地伊陕斜坡上的低幅度构造与油气富集[J].石油勘探与开发,2013,40(1):49-57.WANG Jianmin,WANG Jiayuan.Low-amplitude structures and oil-gas enrichment on Yishaan slope,Ordos Basin[J].Perroleum Exploration and Development,2013,40(1):49-57.
[12]白晓寅,黄玉,陈永波,等.低幅度构造-岩性油气藏识别技术[J].石油地球物理勘探,2012,47(2):291-297.doi:10.13810/j.cnki.issn.l000-7210.2012.02.004BAI Xiaoyan,HUANG Yu,CHEN Yongbo,et al.Recognition of low relief structure-lithologic reservoir[J].OGP,2012,47(2):291-297.doi:10.13810/j.cnki.issn.l000-7210.2012.02.004
[13]姜秀清,夏斌,王千军,等.微构造的地震识别与应用效果[J].天然气工业,2006,26(2):57-59.doi:10.-3321/j.issn:1000-0976.2006.02.017JIANG Xiuqing,XIA Bin,WANG Qianjun.Seismic identification technology of microstructure and application effect[J].Natural Gas Industry,2006,26(2):57-59.doi:10.-3321/j.issn:1000-0976.2006.02.017
[14]邓兴梁,张庆玉,梁彬,等.塔中Ⅱ区奥陶系鹰山组岩溶古地貌恢复方法研究[J].中国岩溶,2015,34(2):60-64.doi:10.11932/karst20150208DENG Xingliang,ZHANG Qingyu,LIANG Bin,et al.Reconstruction of karst palaeogeomorphology for the Ordovician Yingshan Formation in the central Tarim Basin[J].Carsologica Sinica,2015,34(2):60-64.doi:10.-11932/karst20150208
[15]李啸,刘海磊,王学勇,等.坡折带砂体成因及分布规律——以准噶尔盆地车排子地区下白垩统清水河组为例[J].岩性油气藏,2017,29(1):35-42.doi:10.-3969/j.issn.1673-8926.2017.01.005LI Xiao,LIU Hailei,WANG Xueyong,et al.Origin and distribution of sand body in slope break zone:A case study of the Lower Cretaceous Qingshuihe Formation in Chepaizi Area,Junggar BasinfJ].Lithologic Reservoirs,2017,29(1):35-42.doi:10.3969/j.issn.l673-8926.2017.01.005
[16]李伟波,李培明,睢永平.地震资料空间分辨率计算及理论分析[J].石油物探,2016,55(2):173-177.doi:10.3969/j.issn.l000-1441.2016.02.002LI Weibo,LI Peiming,SUI Yongping.Calculation and theoretical analysis of the spatial resolution of seismic data[J].Geophysical Prospecting for Petroleum,2016,55(2):173-177.doi:10.3969/j.issn.l000-1441.2016.02.002
[17]王元君,周怀来.时频域动态反褶积方法研究[J].西南石油大学学报(自然科学版),2015,37(1):1-10.doi:10.11885/j.issn.l674-5086.2014.12.29.01WANG Yuanjun,ZHOU Huailai.Research of dynamic deconvolution method in time-frequency domain[J].Journal of Southwest Petroleum University(Science&Technology Edition),2015,37(1):1-10.doi:10.11885/j.issn.-1674-5086.2014.12.29.01
[18]刘玉虎,赵丹丹,刘兴旺,等.吐哈侏罗系原型盆地演化对烃源岩分布的控制[J].西南石油大学学报(自然科学版),2012,34(4):29-39.doi:10.3863/j.issn.1674-5086.2012.04.004LIU Yuhu,ZHAO Dandan,LIU Xingwang,et al.The evolution of Turpan-Hami Jurassic prototype Basin and its control on the distribution of source rocks[J].Journal of Southwest Petroleum University(Science&Technology Edition),2012,34(4):29-39.doi:10.3863/j.issn.l674-5086.2012.04.004
[19]杨占龙,吴青鹏,黄云峰,等.吐哈盆地北部逆冲构造带油气成藏模式与勘探方向[J].天然气地球科学,2016,27(6):974-981.doi:10.11764/j.issn.1672-1926.-2016.06.0974YANG Zhanlong,WU Qingpeng,HUANG Yunfeng,et al.Hydrocarbon accumulation and exploration domain of northern thrust belts in Turpan-Kumul Basin[J].Natural Gas Geoscience,2016,27(6):974-981.doi:10.11764/j.-issn.1672-1926.2016.06.0974
[20]周志军,薛江龙,赵立斌.数值模拟拟合精度方法研究——以龙虎泡油田为例[J].岩性油气藏,2016,28(1):101-105.doi:10.3969/j.issn.1673-8926.-2016.01.013ZHOU Zhijun,XUE Jianglong,ZHAO Libin.Numerical simulation fitting technology:A case study from Longhupao Oilfield[J].Lithologic Reservoirs,2016,28(1):101-105.doi:10.3969/j.issn.l673-8926.2016.01.013
[21]于运治,田茂军,姜璐.空间插值算法在构建海洋地磁图中的应用[J].舰船科学技术,2013,35(7):37-41.doi:10.3404/j.issn.1672-7649.2013.07.007YU Yunzhi,TIAN Maojun,JIANG Lu.The application of spatial interpolation algorithm in marine geomagnetic mapping[J].Ship Science and Technology,2013,35(7):37-41.doi:10.3404/j.issn.l672-7649.2013.07.007