塔中地区良里塔格组裂缝型碳酸盐岩储层特征及建模
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摘要
针对塔里木盆地碳酸盐岩裂缝空间分布特征和展布规律十分复杂的特点,综合地质、钻井、测井、地震等多方面资料,在对研究区岩心观察描述、FMI成像测井资料分析、纵波方位各向异性裂缝检测以及断层分析的基础上,运用地质统计学原理,分别应用插值算法和分形模拟等方法建立2种不同尺度和规模的裂缝空间展布模型.并将建立的裂缝几何模型转化为流体动力学模型,进而建立准确的裂缝等效渗透率模型,实现了对研究区裂缝系统的精细刻画和定量表征,取得了良好的地质效果.
Because of the complicated spatial distribution characteristics of the fractures in carbonate reservoirs of Tarim Basin,a lot of geological,drilling,well logging,seismic and other various data of the fractured carbonate reservoir of Lianglitage Formation in the studied area are studied by the core observation and description,the FMI data analysis,the detection of anisotropic fractures using Peave azimuth and fault analysis,and two types of fracture spatial distribution models of different scales are established by using interpolation algorithm and fractal simulation separately based on the principles of geostatistics. The established geometric fracture models are converted into fluid dynamics models,and then a more accurate equivalent permeability model of fractures is established,which achieves the fine depiction and quantitative characterization of the fracture system in the fractured carbonate reservoir. The equivalent permeability model has a good geological result.
Because of the complicated spatial distribution characteristics of the fractures in carbonate reservoirs of Tarim Basin,a lot of geological,drilling,well logging,seismic and other various data of the fractured carbonate reservoir of Lianglitage Formation in the studied area are studied by the core observation and description,the FMI data analysis,the detection of anisotropic fractures using Peave azimuth and fault analysis,and two types of fracture spatial distribution models of different scales are established by using interpolation algorithm and fractal simulation separately based on the principles of geostatistics. The established geometric fracture models are converted into fluid dynamics models,and then a more accurate equivalent permeability model of fractures is established,which achieves the fine depiction and quantitative characterization of the fracture system in the fractured carbonate reservoir. The equivalent permeability model has a good geological result.
引文
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[14]陈岩,刘瑞兰,王泽华,等.车排子油田火山岩储层三维裂缝定量模型研究[J].西南石油大学学报:自然科学版,2008,30(2):54-56.CHEN Yan,LIU Rui-lan,WANG Ze-hua,et al.3D quantitative fracturemodel of igneous rock reservoir in Chepaizi Oilfield[J].Journal of Southwest Petroleum University:Science&Technology Edition,2008,30(2):54-56.
[15]奥立德.杨家坝油田裂缝地质建模研究与应用[J].复杂油气藏,2009,2(1):1-4.AO Li-de.Study and application of fracture geological modeling in Yangjiaba Oilfield[J].Complex Hydrocarbon Reservoirs,2009,2(1):1-4.
[2]易士威,杜金虎,杨海军,等.塔里木盆地下古生界成藏控制因素及勘探思路[J].中国石油勘探,2012,17(3):1-7.YI Shi-wei,DU Jin-hu,YANG Hai-jun,et al.Controlling factors and exploration idea about reservoir Formation of Lower Palaeozoic,Tarim Basin[J].China Petroleum Exploration,2012,17(3):1-7.
[3]周新源,杨海军.塔里木油田碳酸盐岩油气藏勘探开发一体化实践与成效[J].中国石油勘探,2012,17(5):1-9.ZHOU Xin-yuan,YANG Hai-jun.Practice and effectiveness of carbonate oil-gas reservoir exploration-development integration in Tarim Oilfield[J].China Petroleum Exploration,2012,17(5):1-9.
[4]邬光辉,李建军,卢玉红.塔中Ⅰ号断裂带奥陶系灰岩裂缝特征探讨[J].石油学报,1999,20(4):19-23.WU Guang-hui,LI Jian-jun,LU Yu-hong.The fracture characteristics of ordovician limestone in Tazhong no.1fault belt[J].Acta Petrolei Sinica,1999,20(4):19-23.
[5]刘红岐,刘诗琼,刘静.复杂致密储层裂缝特征研究[J].西南石油大学学报:自然科学版,2012,34(4):62 -68.LIU Hong-qi,LIU Shi-qiong,LIU Jing.Study on the fracture characteristics of complex tight formation[J].Journal of Southwest Petroleum University:Science&Technology Edition,2012,34(4):62-68.
[6]陈清华,刘池阳,王书香,等.碳酸盐岩缝洞系统研究现状与展望[J].石油与天然气地质,2002,23(2):196 -201.CHEN Qing-hua,LIU Chi-yang,WANG Shu-xiang,et al.Study on carbonate fracture-cavity system-status and prospects[J].Oil&Gas Geology,2002,23(2):196-201.
[7]杨海军,李勇,刘胜,等.塔中地区中、上奥陶统划分对比的主要认识[J].新疆石油地质,2000,21(3):208-212 .YANG Hai-jun,LI Yong,LIU Sheng,et al.Classification and correlation of middle-upper Ordovician in Tazhong area and its key understanding[J].Xinjiang Petroleum Geology,2000,21(3):208-212.
[8]刘蕊,盛海波,蔡玥,等.塔河油气田AT1区块凝析气藏三维地质建模研究[J].地球科学与环境学报,2011,33(2):168-171.LIU Rui,SHENG Hai-bo,CAI Yue,et al.Study on three-dimensional geologic modeling of condensate gas reservoir in Block AT1 of Tahe Oilfield[J].Journal of Earth Sciences and Environment,2011,33(2):168-171.
[9]艾合买提江·阿不都热和曼,钟建华,李阳,等.碳酸盐岩裂缝与岩溶作用研究[J].地质论评,2008,54(4):485-492.Abdurahman Ahmatjan,ZHONG Jian-hua,LI Yang,et al.Study on effect between karstification and fracture in carbonate rocks[J].Geological Review,2008,54(4):485-492.
[10]黄继新,彭仕宓,王小军,等.成像测井资料在裂缝和地应力研究中的应用[J].石油学报,2006,27(6):65-69.HUANG Ji-xin,PENG Shi-mi,WANG Xiao-jun,et al.Applications of imaging logging data in the research of fracture and ground stress[J].Acta Petrolei Sinica,2006,27(6):65-69.
[11]张尚华,司马立强,颜其彬,等.复杂碳酸盐岩储层测井有效性评价[J].西南石油大学学报:自然科学版,2011,33(2):84-88.ZHANG Shang-hua,SIMA Li-qiang,YAN Qi-bin,et al.The logging effectiveness evaluation of complex carbonate reservoirs[J].Journal of Southwest Petroleum University:Science&Technology Edition,2011,33(2):84-88.
[12]Schoenberg M A,Sayers D S.Azimuth-dependent tuning of seismic waves reflected from fractured reservoirs[J].Geophysics,1999,64(4):1160-1171.
[13]Gray D,Head K.Fracture detection in Manderson Field:A 3-D AVAZ case history[J].The Leading Edge,2000,19(11):1214-1221.
[14]陈岩,刘瑞兰,王泽华,等.车排子油田火山岩储层三维裂缝定量模型研究[J].西南石油大学学报:自然科学版,2008,30(2):54-56.CHEN Yan,LIU Rui-lan,WANG Ze-hua,et al.3D quantitative fracturemodel of igneous rock reservoir in Chepaizi Oilfield[J].Journal of Southwest Petroleum University:Science&Technology Edition,2008,30(2):54-56.
[15]奥立德.杨家坝油田裂缝地质建模研究与应用[J].复杂油气藏,2009,2(1):1-4.AO Li-de.Study and application of fracture geological modeling in Yangjiaba Oilfield[J].Complex Hydrocarbon Reservoirs,2009,2(1):1-4.
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