基于钻孔数据的地质体隐式建模约束规则自动构造方法

doi:10.11872/j.issn.1005-2518.2021.03.189

黄金科学技术 ›› 2021, Vol. 29 ›› Issue (3): 345-354.doi: 10.11872/j.issn.1005-2518.2021.03.189

基于钻孔数据的地质体隐式建模约束规则自动构造方法

王博(),贺康,钟德云()

中南大学资源与安全工程学院，湖南长沙 410083

收稿日期:2020-10-24 修回日期:2021-01-11 出版日期:2021-06-30 发布日期:2021-07-14
通讯作者: 钟德云 E-mail:wangbo_lingli@163.com;deyizhiyun@163.com
作者简介:王博（1995-），男，河南漯河人，硕士研究生，从事数字矿山和三维地质建模等方面的研究工作。wangbo_lingli@163.com
基金资助:
国家重点研发计划项目“基于大数据的金属矿开采装备智能管控技术研发与示范”(2019YFC0605304);湖南省重点研发计划项目“地下隐患和灾害检测监测技术和系统”(2018SK2051)

Automatic Construction Method of Constraint Rules for Implicit Modeling of Geological Bodies Based on Borehole Data

Bo WANG(),Kang HE,Deyun ZHONG()

School of Resources and Safety Engineering，Central South University，Changsha 410083，Hunan，China

Received:2020-10-24 Revised:2021-01-11 Online:2021-06-30 Published:2021-07-14
Contact: Deyun ZHONG E-mail:wangbo_lingli@163.com;deyizhiyun@163.com

摘要/Abstract

摘要：

针对隐式建模约束规则构造自动化程度较低的问题，提出了一种基于钻孔数据进行地层特征参数自动提取与量化的方法。首先通过分析原始钻孔数据自动提取地层产状来表征地层的全局插值趋势；然后利用局部椭球体搜索邻域钻孔群来构造局部插值趋势，按照不同的搜索策略提取邻域边界点集；最后将构造的约束数据应用于基于径向基和克里金的2种隐式建模插值方法。试验结果表明：该方法兼顾了钻孔数据的异向性，能够很好地模拟沉积层和侵入体，且模型准确性好，符合地质学家的认知规律。

关键词: 隐式建模, 钻孔数据, 地质建模, 地质规则约束, 地层特征参数, 局部椭球体

Abstract:

Three-dimensional geological modeling can be divided into traditional wireframe modeling and implicit modeling.Compared with traditional wireframe modeling，implicit modeling method does not require a large number of human-computer interactions，and has the advantages of high model quality，repeatable process and fast local dynamic update speed.After years of research，various interpolation methods for implicit modeling have been developed，but the constraint data required for implicit modeling interpolation requires a lot of preprocessing，for a wide range of geological modeling work，manual processing of interpolation constraint data requires a lot of time and energy for geologists，and the operation of geological modeling based on manual processing is semi-automatic implicit modeling.In order to improve the automation degree of geologic body implicit modeling method，we proposed a method of automatic extraction and quantification of formation characteristic parameters based on borehole data，which can take into account the global occurrence characteristics of stratum and the local occurrence trend of borehole，and be used to construct interpolation constraints that control the geometry of different geological interfaces.This method analyzes the original geological drilling data，automatically extracts the occurrence of the formation to characterize the global interpolation trend of the formation，and then uses the local ellipsoid search to construct the neighborhood drilling group，extracts the field boundary point set according to different search strategies，and finally calculates the local occurrence parameters to construct local interpolation trends.Based on the above ideas，combined with the implicit modeling method of geological bodies considering the constraints of stratigraphic sequence，a complete geological body model that conforms to stratigraphic characteristics and satisfies the laws of stratigraphic sequence was constructed.The data extracted by this method were used to construct a single geological model of a uranium deposit in Xinjiang using the potential field method and the HRBF method，after that，a comprehensive model of complex shapes was constructed with full consideration of the constraints of geological rules.Comparison of the geometric form of a single model built by the two interpolation methods and the comparison of the exploration line profile of the overall model，the research results show that the new method takes into account the geological rules and constraints，can simulate sedimentary strata and intrusions strata well，and the model has good accuracy and conforms to the cognitive rules of geologists.

Key words: implicit modeling, borehole data, geological modeling, geological rule constraint, formation characteristic parameters, local ellipsoid

中图分类号:

TD67

王博,贺康,钟德云. 基于钻孔数据的地质体隐式建模约束规则自动构造方法[J]. 黄金科学技术, 2021, 29(3): 345-354.

Bo WANG,Kang HE,Deyun ZHONG. Automatic Construction Method of Constraint Rules for Implicit Modeling of Geological Bodies Based on Borehole Data[J]. Gold Science and Technology, 2021, 29(3): 345-354.

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参考文献 0

	Aug C，2004.3D Geological Modelling and Uncertainty： The Potential-field Method［D］.Paris：Ecole Nationale Superieure des Mines de Paris.
	Baker K A，Pixley A F，1975.Polynomial interpolation and the Chinese Remainder Theorem for algebraic systems［J］.Mathematische Ztschrift，143（2）：165-174.
	Bi Lin，Zhao Hui，Li Yalong，al et，2018.Biased-SVM and Poisson surface based three-dimensional automatic modeling method for orebodies［J］.Journal of China University of Mining & Technology，47（5）：1123-1130.
	Calcagno P，Chilès J P，Courrioux G，al et，2008.Geological modelling from field data and geological knowledge：Part I.Modelling method coupling 3D potential-field interpolation and geological rules［J］.Physics of the Earth and Planetary Interiors，171（1/2/3/4）：147-157.
	Cuomo S，Galletti A，Giunta G，al et，2017.Reconstruction of implicit curves and surfaces via RBF interpolation［J］.Applied Numerical Mathematics，116：157-171.
	Dong Zhaogang，2000.Calculate the occurrence of the surface by three-point coordinates in a plane of space［J］.Yunnan Geology，（3）：304-307.
	Fleishman S，Cohen-Or D，Silva，al et，2005.Robust moving least-squares fitting with sharp features［J］. ACM Transaction on Graphics，24（3）：544-552.
	Frank T，Tertois A L，Mallet J L，2007.3D-reconstruction of complex geological interfaces from irregularly distributed and noisy point data［J］.Computers & Geoences，33（7）：932-943.
	Guo J，Wu L，Zhou W，al et，2018.Section-constrained local geological interface dynamic updating method based on the HRBF surface［J］.Journal of Structural Geology，107：64-72.
	Guo Jiateng，Wu Lixin，Zhou Wenhui，2016.Implicit automatic 3D modeling method of ore body based on radial basis function surface［J］.Journal of China Coal Society，41（8）：2130-2135.
	Lajaunie C，Courrioux G，Manuel L，1997.Foliation fields and 3D cartography in geology：Principles of a method based on potential interpolation［J］.Mathematical Geology，29（4）：571-584.
	Lu G Y，Wong D W，2008.An adaptive inverse-distance weighting spatial interpolation technique［J］.Computers & Geoences，34（9）：1044-1055.
	McInerney P，Guillen A，Courrioux G，al et，2005.Building 3D geological models directly from the data？ A new approach applied to Broken Hill，Australia［J］.Digital Mapping Te-chniques’05，5：119-130.
	Miguel D L V，Schaaf A，Wellmann F，2019.GemPy 1.0：Open-source stochastic geological modeling and inversion［J］.Geoscientific Model Development，12（1）：1-32.
	Olivier R，Cao H Q，2012.Nearest neighbor value interpolation［J］.International Journal of Advanced Computer Sciences and Application，3（4）：25-30.
	Skala V，2017.RBF interpolation with CSRBF of large data sets［J］.Procedia Computer Science，108：2433-2437.
	Thornton J M，Mariethoz G，Brunner P，2018.A 3D geological model of a structurally complex Alpine region as a basis for interdisciplinary research［J］.Scientific Data，5（1）：1-20.
	Wang J，Zhao H，Bi L，al et，2018.Implicit 3D modeling of ore body from geological boreholes data using hermite radial basis functions［J］.Minerals，8（10）：443.
	Wu Lixin，Wang Yunjia，Ding Enjie，al et，2012.Three discussions on digital mines：Leveraging the internet of things to ensure mine safety and intelligent mining［J］.Journal of China Coal Society，37（3）：357-365.
	Zhang Shen，Ding Enjie，Zhao Xiaohu，al et，2007.Digital mine and its two basic platform construction［J］.Journal of China Coal Society，（9）：997-1001.
	Zhong D Y，Wang L G，Bi L，al et，2019a.Implicit modeling of complex orebody with constraints of geological rules［J］.Transactions of Nonferrous Metals Society of China，29（11）：2392-2399.
	Zhong D Y，Wang L G，Bi L，al et，2019b.Implicit surface reconstruction based on generalized radial basis functions interpolant with distinct constraints［J］.Applied Mathematical Modelling，71：408-420.
	毕林，赵辉，李亚龙，等，2018.基于Biased-SVM和Poisson曲面矿体三维自动建模方法［J］.中国矿业大学学报，47（5）：1123-1130.
	董兆岗，2000.通过空间一平面内三点坐标计算该面产状［J］.云南地质，（3）：304-307.
	郭甲腾，吴立新，周文辉，2016.基于径向基函数曲面的矿体隐式自动三维建模方法［J］.煤炭学报，41（8）：2130-2135.
	吴立新，汪云甲，丁恩杰，等，2012.三论数字矿山——借力物联网保障矿山安全与智能采矿［J］.煤炭学报，37（3）：357-365.
	张申，丁恩杰，赵小虎，等，2007.数字矿山及其两大基础平台建设［J］.煤炭学报，（9）：997-1001.

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地层序列	地层层序	序列关系	地层属性
细砂岩层	8	Erode	侵入体
泥岩层	7	Erode	侵入体
粗砂岩层	6	Erode	侵入体
中砂岩层	5	Erode	侵入体
顶层	4	Onlap	沉积层
煤层	3	Onlap	沉积层
砂泥混合层	2	Onlap	沉积层
基岩	1	Onlap	沉积层

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基于钻孔数据的地质体隐式建模约束规则自动构造方法

Automatic Construction Method of Constraint Rules for Implicit Modeling of Geological Bodies Based on Borehole Data

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