整合多尺度信息的裂缝性储层建模方法探讨
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摘要
由于裂缝性储层裂缝分布具有很强的非均质性,且在空间呈现块状分布,常规地质建模方法并不适用于裂缝建模,基于三维地震、测井及岩心裂缝观测,探讨了适合裂缝性储层的建模思路和方法,指出从岩心观测和测井解释上获得小尺度裂缝的参数,包括裂缝密度、几何形态以及其他裂缝属性的统计信息;基于三维地震获取大尺度裂缝的空间分布信息.通过对2种信息的整合,以大尺度裂缝分布为约束条件,用小尺度裂缝密度数据插值出储层空间的裂缝密度场,运用地质统计学随机建模方法,生成了离散裂缝网络模型及其裂缝孔隙度、渗透率等属性模型,探讨了一套适合裂缝储层的建模方法.
Owing to their heterogeneity and special block distribution,the common reservoir modeling method is not suitable for the fractured reservoirs.Based on the seismic survey,logging data and core observation,a new modeling idea for fractured reservoirs is put forward.For the small-scale fractures,their character information such as fracture intensity,geometric and other parameters can be got from the core observation and logging interpretation.While for the large-scale fractures,their special distribution information can be obtained from the seismic survey.Through integrating the two kinds of information,the fracture intensity field of the reservoirs is obtained by the interpolation of small-scale fracture intensity data under the control of large-scale fractures information.Finally,the discrete fracture network model and other parameter models such as reservoir porosity and permeability are got by using the stochastic modeling method in geostatistics based on fracture parameters and intensity field.This is a modeling method suitable for the fractured reservoirs.
Owing to their heterogeneity and special block distribution,the common reservoir modeling method is not suitable for the fractured reservoirs.Based on the seismic survey,logging data and core observation,a new modeling idea for fractured reservoirs is put forward.For the small-scale fractures,their character information such as fracture intensity,geometric and other parameters can be got from the core observation and logging interpretation.While for the large-scale fractures,their special distribution information can be obtained from the seismic survey.Through integrating the two kinds of information,the fracture intensity field of the reservoirs is obtained by the interpolation of small-scale fracture intensity data under the control of large-scale fractures information.Finally,the discrete fracture network model and other parameter models such as reservoir porosity and permeability are got by using the stochastic modeling method in geostatistics based on fracture parameters and intensity field.This is a modeling method suitable for the fractured reservoirs.
引文
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[17]丁圣,林承焰,周明晖,等.油藏地质建模及实时跟踪研究[J].地球科学与环境学报,2010,32(1):70-72,97.DING Sheng,LIN Cheng-yan,ZHOU Ming-hui,et al.Stud-y on reservoir geological modeling and real-time tracking[J].Journal of Earch Sciences and Environment,2010,32(1):70-72,97.
[18]赵晓燕,王秀玲,杨宏伟.埕北凹陷老292潜山裂缝性储层预测[J].石油地球物理勘探,2010,45(5):737-740,792,622.ZHAO Xiao-yan,WANG Xiu-ling,YANG Hong-wei.Frac-tured reservoirs prediction method for old 292 buried hillin Chengbei Depression[J].Oil Geophysical Prospecting,2010,45(5):737-740,792,622.
[19]陈波,田崇鲁.储层构造裂缝数值模拟技术的应用实例[J].石油学报,1998,19(4):50-54.CHEN Bo,TIAN Chong-lu.Numerical simulation tech-nique for structural fractures in a reservoir:case studies[J].ACTA Petrolei Sinica,1998,19(4):50-54.
[20]邢玉忠.裂缝性潜山油藏裂缝网络模型及其应用[D].北京:中国地质大学(北京),2007.
[2]迟新刚,贺振华,黄德济.储层缝洞预测和检测方法[J].勘探地球物理进展,2003,26(2):94-98.CHI Xin-gang,HE Zhen-hua,HUANG De-ji.Detectionmethods of fractured reservoir[J].Progress in ExplorationGeophysics,2003,26(2):94-98.
[3]张文军,黄仁春,程胜辉,等.川东北地区毛坝场构造飞仙关组三段裂缝型储层预测[J].石油天然气学报,2008,105(3):228-231.ZHANG Wen-jun,HUANG Ren-chun,CHENG Sheng-hui,et al.Fractures reservoir prediction of Maobachangstructure in northeastern Sichuan about Feixianguan fro-mation[J].Journal of Oil and Gas Technology,2008,105(3):228-231.
[4]胡伟光,赵卓男,劳牡丹,等.川东北毛坝场构造飞仙关组三段裂缝预测[J].勘探地球物理进展,2010,33(5):348-354,308.HU Wei-guang,ZHAO Zhuo-nan,LAO Mu-dan,et al.Fracture prediction in Maobachang structure in northeast-ern Sichuan Basin[J].Progress in Exploration Geophys-ics,2010,33(5):348-354,308.
[5]宋惠珍,曾海容,孙君秀,等.储层构造裂缝预测方法及其应用[J].地震地质,1999,21(3):205-213.SONG Hui-zhen,ZENG Hai-rong,SUN Jun-xiu,et al.Methods of reservoir tectonic fracture prediction and itsapplication[J].Seismology and Geology,1999,21(3):205-213.
[6]邓攀,魏国齐,杨泳.储层构造裂缝定量预测中地质数学模型的建立与应用研究[J].天然气地球科学,2006,17(4):480-484.DENG Pan,WEI Guo-qi,YANG Yong.To establish andresearch of three-dimensional geological and mathematicalmodel for quantitative prediction of structural fracture[J].Natural Gas Geoscience,2006,17(4):480-484.
[7]李毓.储层裂缝的测井识别及其地质建模研究[J].测井技术,2009,33(6):575-578.LI Yu.Evaluating fractures by logging data and its model-ing technology studies[J].Well Logging Technology,2009,33(6):575-578.
[8]陈莹,谭茂金.利用测井技术识别和探测裂缝[J].测井技术信息,2003,29(s1):11-14.CHEN Ying,TAN Mao-jin.Fracture detection and identi-fication using logging techniques[J].Well Logging Tech-nology,2003,29(s1):11-14.
[9]曾联波,康永尚,肖淑容.吐哈盆地北部凹陷低渗透砂岩储层裂缝发育特征及成因[J].西安石油大学学报:自然科学版,2008,23(1):22-25.ZENG Lian-bo,KANG Yong-shang,XIAO Shu-rong.De-velopment characteristics and geneses of the fractures inlow-permeability sandstone reservoir in the nothern de-pression of Tuha Basin[J].Journal of Xi'an Shiyou Uni-versity:Natural Science Edition,2008,23(1):22-25.
[10]汪必峰.储集层构造裂缝描述与定量预测[D].东营:中国石油大学(华东),2007.
[11]高霞,谢庆宾.储层裂缝识别与评价方法新进展[J].地球物理学进展,2007,22(5):1460-1465.GAO Xia,XIE Qing-bin.Advances in identification and e-valuation of fracture,progress in geophysics[J].Progressin Geophysics,2007,22(5):1460-1465.
[12]王越之,田红.常规测井与FMI测井资料相结合研究储层裂缝[J].断块油气田,2001,8(5):30-32.WANG Yue-zhi,TIAN Hong.Research of fracture reser-voir characteristics using FMI logging and dual laterolog[J].Fault-Block Oil and Gas Field,2001,8(5):30-32.
[13]牛虎林,田作基,胡欣,等.成像测井解释模式在基岩油气藏裂缝性储层的应用研究[J].地球物理学进展,2008,23(5):1544-1549.NIU Hu-lin,TIAN Zuo-ji,HU Xin,et al.Application ofimaging log interpretation patterns in fractured basementreservoirs[J].Progress in Geophysics,2008,23(5):1544-1549.
[14]冉志兵,郑小川,谭修中,等.复杂油气藏裂缝型储层参数定量评价方法[J].西南石油大学学报:自然科学版,2009,31(6):32-36.RAN Zhi-bing,ZHENG Xiao-chuan,TAN Xiu-zhong,etal.Quantitative evaluation method on fracture type reser-voir parameter of complicated oil-gas reservoir[J].Journalof Southwest Petroleum University:Seience&TechnologyEdition,2009,31(6):32-36.
[15]王建华.DFN模型裂缝建模新技术[J].断块油气田,2008,15(6):55-58.WANG Jian-hua.DFN model:a new modelling technologyfor fracture[J].Fault-Block Oil and Gas Field,2008,15(6):55-58.
[16]张伟,刘建朝,孙少波,等.柳沟油田三维油藏建模与可视化研究[J].西安石油大学学报:自然科学版,2010,25(6):28-31,58.ZHANG Wei,LIU Jian-chao,SUN Shao-bo,et al.Three-dimensional geological modeling of Liugou Oilfield andstudy on the visualization of it[J].Journal of Xi'an ShiyouUniversity:Natural Science Edition,2010,25(6):28-31,58.
[17]丁圣,林承焰,周明晖,等.油藏地质建模及实时跟踪研究[J].地球科学与环境学报,2010,32(1):70-72,97.DING Sheng,LIN Cheng-yan,ZHOU Ming-hui,et al.Stud-y on reservoir geological modeling and real-time tracking[J].Journal of Earch Sciences and Environment,2010,32(1):70-72,97.
[18]赵晓燕,王秀玲,杨宏伟.埕北凹陷老292潜山裂缝性储层预测[J].石油地球物理勘探,2010,45(5):737-740,792,622.ZHAO Xiao-yan,WANG Xiu-ling,YANG Hong-wei.Frac-tured reservoirs prediction method for old 292 buried hillin Chengbei Depression[J].Oil Geophysical Prospecting,2010,45(5):737-740,792,622.
[19]陈波,田崇鲁.储层构造裂缝数值模拟技术的应用实例[J].石油学报,1998,19(4):50-54.CHEN Bo,TIAN Chong-lu.Numerical simulation tech-nique for structural fractures in a reservoir:case studies[J].ACTA Petrolei Sinica,1998,19(4):50-54.
[20]邢玉忠.裂缝性潜山油藏裂缝网络模型及其应用[D].北京:中国地质大学(北京),2007.
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