基于地层等值线图的精确性评价方法
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摘要
地层等值线图是进行储层描述、资源评价、矿山设计的重要参考图件之一,等值线图的局部精确性对矿业开采小范围内的工程决策具有重要影响。以预测技术为理论基础,将等值线图进行剖分,通过Matlab软件编程计算井位在各剖分点影响值,结合Surfer软件的等值线制图功能,绘制出能反映等值线图各区域可信度的配套图件。基于此,整理了成庄区块300多口煤层气井钻井数据,通过算法绘制了相关的图件。结果表明,该方法绘制的精确性评价图能够有效反映因钻井井数分布不均、稀少等情况引起的成果图件的质量差异,并可定量地显示出来。该计算方法能将钻井位置信息进行量化,但绘制等值线的插值方法多种多样,更加契合不同插值方法的局部影响值算法还需进行深一步的研究。
The stratigraphic contour map is one of the important reference maps for reservoir description,resource evaluation and mine design,the local accuracy of the contour map has an important impact on engineering decision-making within a small scope of mining.Based on the prediction technology,the contour map is divided,the impact value of well position is calculated through Matlab software programming,and the equivalent line mapping function of Surfer software is combined to draw a supporting map that can reflect the credibility of each area of the contour map.Based on this,the data of more than 300 coal seam gas well drilling in Chengzhuang block are collated,and the related drawings are drawn by the algorithm.The results show that the accuracy evaluation map can effectively reflect the quality difference of the result map caused by the uneven distribution and scarcity of drilling wells,and can be quantitatively displayed.The calculation method can quantify the drilling position information,but the interpolation methods for drawing the contour lines are varied,and the local impact value algorithm that is more suitable for different interpolation methods needs to be studied further.
The stratigraphic contour map is one of the important reference maps for reservoir description,resource evaluation and mine design,the local accuracy of the contour map has an important impact on engineering decision-making within a small scope of mining.Based on the prediction technology,the contour map is divided,the impact value of well position is calculated through Matlab software programming,and the equivalent line mapping function of Surfer software is combined to draw a supporting map that can reflect the credibility of each area of the contour map.Based on this,the data of more than 300 coal seam gas well drilling in Chengzhuang block are collated,and the related drawings are drawn by the algorithm.The results show that the accuracy evaluation map can effectively reflect the quality difference of the result map caused by the uneven distribution and scarcity of drilling wells,and can be quantitatively displayed.The calculation method can quantify the drilling position information,but the interpolation methods for drawing the contour lines are varied,and the local impact value algorithm that is more suitable for different interpolation methods needs to be studied further.
引文
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[2] 罗智勇,杨武年.基于钻孔数据的三维地质建模与可视化研究[J].测绘科学,2008,33(2):130-132.Luo Zhiyong,Yang Wunian.3D modeling and visualization of geological bodies based on borehole data[J].Science of Surveying & Mapping,2008,33(2):130-132.
[3] 朱发华,贺怀建.基于地质雷达和钻孔数据的三维地层建模[J].岩土力学,2009,30(S1):267-270.Zhu Fahua,He Huaijian.3D stratum modeling based on ground penetrating radar and borehole data[J].Rock & Soil Mechanics,2009,30(S1):267-270.
[4] 刘振平,贺怀建,朱发华.基于钻孔数据的三维可视化快速建模技术的研究[J].岩土力学,2009,30(S1):260-266.Liu Zhenping,He Huaijian,Zhu Fahua.Study of technology of fast 3D modeling and visualization based on borehole data[J].Rock & Soil Mechanics,2009,30(S1):260-266.
[5] 魏占营,段敏燕,李青元.利用钻孔数据构建无缝三维地层模型[J].武汉大学学报(信息科学版),2013,38(11):1383-1386.Wei Zhanying,Duan Minyan,Li Qingyuan.Technology for constructing seamless 3D stratum models based on boreholes[J].Geomatics and Information Science of Wuhan University,2013,38(11):1383-1386.
[6] 丁月平,史玉峰.基于ArcEngine和钻孔数据的三维地表层建模与可视化[J].南京林业大学学报(自然科学版),2013,37(4):139-142.Ding Yueping,Shi Yufeng.Design and development of 3D stratum visualization system based on ArcEngine and borehole data[J].Journal of Nanjing Forestry University(Natural Sciences),2013,37(4):139-142.
[7] 杨文环,尹璐,孙久运.矿山钻孔数据三维地层建模与可视化[J].金属矿山,2015,44(10):130-134.Yang Wenhuan,Yin Lu,Sun Jiuyun.Three dimensional stratum modeling and visualization of borehole data[J].Metal Mine,2015,44(10):130-134.
[8] 李春生,李兰勇,邓连利.基于钻孔数据的矿区地质模型构建[J].西部探矿工程,2016,28(7):99-100.Li Chunsheng,Li Lanyong,Deng Lianli.Construction of mining area geological model based on borehole data[J].West-China Exploration Engineering,2016,28(7):99-100.
[9] 贾志宾,曹凯,杨志强.一种基于钻孔数据的优化三维地质建模方法[J].科学技术与工程,2017,17(17):178-183.Jia Zhibin,Cao Kai,Yang Zhiqiang.Optimized 3D geological modeling method based on borehole data[J].Science Technology and Engineering,2017,17(17):178-183.
[10] 侯景儒.实用地质统计学[M].北京:地质出版社,1998.
[11] 朱良峰,李明江,孙建中.工程地质空间多场耦合构模技术研究[J].岩土力学,2012,33(8):2500-2506.Zhu Liangfeng,Li Mingjiang,Sun Jianzhong.Multifield coupled modeling techniques in engineering geological space[J].Rock and Soil Mechanics,2012,33(8):2500-2506.
[12] 朱良峰,吴信才,刘修国,等.城市三维地层建模中虚拟孔的引入与实现[J].地理与地理信息科学,2004,20(6):26-30.Zhu Liangfeng,Wu Xincai,Liu Xiuguo,et al.Introduction and implementation of virtual borehole in the construction of urban 3D strata model[J].Geography and Geo-Information Science,2004,20(6):26-30.
[13] 张渭军,王文科.基于钻孔数据的地层三维建模与可视化研究[J].大地构造与成矿学,2006,30(1):108-113.Zhang Weijun,Wang Wenke.3D modeling and visualization of geological layers based on borehole data[J].Geotectonica et Metallogenia,2006,30(1):108-113.
[14] 朱良峰,潘信.地质断层三维构模技术研究[J].岩土力学,2008,29(1):274-278.Zhu Liangfeng,Pan Xin.Study on computer modeling of geological faults in 3D[J].Rock and Soil Mechanics,2008,29(1):274-278.
[15] 朱良峰,潘信.河流侵淤作用下三维地层模型的构建[J].岩土力学,2005,26(S1):69-72.Zhu Liangfeng,Pan Xin.Reconstruction of 3D stratigraphic model for fluvial erosion and aggrading action[J].Rock and Soil Mechanics,2005,26(S1):69-72.
[16] 邵才瑞,关丽,张福明.基于测井数据的地质曲面插值重构方法比较[J].测井技术,2005,29(4):311-315.Shao Cairui,Guan Li,Zhang Fuming.Applicability comparison of several interpolate methods for reconstructing geological surface based on Logging data[J].Well Logging Technology,2005,29(4):311-315.
[17] Lu G Y,Wong D W.An adaptive inverse-distance weighting spatial interpolation technique[J].Computers & Geosciences,2008,34(9):1044-1055.
[18] 张小浩,周鼎武.径向基函数方法在南泥湾油田勘探中的应用[J].地球物理学进展,2007,22(1):213-217.Zhang Xiaohao,Zhou Dingwu.Application of radial basis function in Nanniwan oil field[J].Progress in Geophysics,2007,22(1):213-217.
[19] 张俊艳,韩文秀,刘东海.工程地质趋势面分析的智能方法及其应用[J].吉林大学学报,2005,35(1):59-63.Zhang Junyan,Han Wenxiu,Liu Donghai.Intelligent methods and its application for geological trend surface analysis[J].Journal of Jilin University,2005,35(1):59-63.
[20] 李信富,李小凡.分形插值地震数据重建方法研究[J].地球物理学报,2008,51(4):1196-1201.Li Xinfu,Li Xiaofan.Seismic data reconstruction with fractal interpolation[J].Chinese Journal of Geophysics,2008,51(4):1196-1201.
[21] 常文渊,戴新刚,陈洪武.地质统计学在气象要素场插值的实例研究[J].地球物理学报,2004,47(6):982-990.Chang Wenyuan,Dai Xingang,Chen Hongwu.A case study of geostatistical interpolation to meteorological fields[J].Chinese Journal of Geophysics,2004,47(6):982-990.
[22] Cellura M,Cirrincione G,Marvuglia A,et al.Wind speed spatial estimation for energy planning in Sicily:A neural kriging application[J].Renewable Energy,2008,33(6):1251-1266.
[23] 马云潜,张学工.支持向量机函数拟合在分形插值中的应用[J].清华大学学报(自然科学版),2000,40(3):76-78.Ma Yunqian,Zhang Xuegong.Application of support vector machines function regression in fractal interpolation[J].Journal of Tsinghua University(Science and Technology),2000,40(3):76-78.
[24] 朱良峰,吴信才,潘信.三维地层模型误差修正机制及其实现技术[J].岩土力学,2006,27(2):268-271.Zhu Liangfeng,Wu Xincai,Pan Xin.Mechanism and implementation of error correction for 3D strata model[J].Rock and Soil Mechanics,2006,27(2):268-271.
[25] 孟凡刚,马亚杰,王国华,等.基于钻孔勘探数据的煤层厚度分布与构造预判[J].煤炭科学技术,2017,45(8):233-237,211.Meng Fangang,Ma Yajie,Wang Guohua,et al.Seam thickness distribution and tectonic prediction based on exploration data from drilling[J].Coal Science and Technology,2017,45(8):233-237,211.
[26] 马海,杨锦舟,肖红兵,等.基于变异函数及支持向量机测井曲线插值方法[J].测井技术,2012,36(6):575-580.Ma Hai,Yang Jinzhou,Xiao Hongbing,et al.Log interpolation method based on support vector machine and a semivariogram model[J].Well Logging Technology,2012,36(6):575-580.
[27] 刘娜,谢英情,楚亮,等.基于钻孔数据的三维地质空间插值方法对比研究[J].地震研究,2008(S2):619-622.Liu Na,Xie Yingqing,Chu Liang,et al.Comparison of borehole data-based interpolations in 3D spatial terrain modeling[J].Journal of Seismological Research,2008(S2):619-622.
[28] 靳国栋,刘衍聪,牛文杰.距离加权反比插值法和克里金插值法的比较[J].长春工业大学学报,2003,24(3):53-57.Jin Guodong,Liu Yancong,Niu Wenjie.Comparison between Inverse distance weighting method and Kriging[J].Journal of Changchun University of Technology,2003,24(3):53-57.
[29] 李晓军,胡金虎,朱合华,等.基于Kriging方法的煤层厚度估计及三维煤层建模[J].煤炭学报,2008,33(7):765-769.Li Xiaojun,Hu Jinhu,Zhu Hehua,et al.The estimation of coal thickness based on Kriging technique and 3D coal seam modeling[J].Journal of China Coal Society,2008,33(7):765-769.
[30] 王家华.克里金地质绘图技术—计算机的模型和算法[M].北京:石油工业出版社,1999.
[31] 冯俊军,王恩元,沈荣喜,等.基于克里金插值法的煤体应力场分布规律研究[J].煤炭科学技术,2013,41(2):38-41.Feng Junjun,Wang Enyuan,Shen Rongxi,et al.Study on coal body stress distribution based on Kriging interpolation method[J].Coal Science and Technology,2013,41(2):38-41.
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