应用随机介质正演模拟刻画深水区台缘礁碳酸盐岩储层
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摘要
南海A区块深水区钻井少,储层刻画难度大。本文基于深水区地质沉积相分析成果,利用深水区地震资料建立符合实际条件的地层结构模型,结合波阻抗反演结果及地震属性特征,建立深水台缘礁碳酸盐岩储层的结构模型。在此基础上,运用随机建模方法对台缘礁碳酸盐岩储层内部的孔洞、裂缝进行精细刻画。运用"交"、"并"算法将储层结构单元与随机介质模型结合,建立符合地下实际的深水台缘礁碳酸盐岩储层地震地质随机介质模型,应用正演模拟、常规处理和相似性分析技术,获得与实际地层最接近的台缘礁碳酸盐岩储层结构和参数模型。
Sculpturing reservoirs in Block A of deep water in South China Sea is quite difficult due to lack of wells.In this paper,according to geological sedimentary facies in deep water,we build a realistic deep-water strata model based on seismic data,and then build platform-edge reef carbonate reservoir models based on impedance inversion and seismic attribute characteristics.After that,we sculpture crevices and clefts inside platform-edge reef carbonate reservoirs using random model-building method.Taking advantage of "intersection" and "concatenation" operation,we establish seismic geological random models close to subterranean platform-edge reef carbonate reservoirs.With combination of forward simulation,conventional processing and similarity analysis,we have obtained structure and model parameters of platform-edge reef reservoirs which are very close to the reality.
Sculpturing reservoirs in Block A of deep water in South China Sea is quite difficult due to lack of wells.In this paper,according to geological sedimentary facies in deep water,we build a realistic deep-water strata model based on seismic data,and then build platform-edge reef carbonate reservoir models based on impedance inversion and seismic attribute characteristics.After that,we sculpture crevices and clefts inside platform-edge reef carbonate reservoirs using random model-building method.Taking advantage of "intersection" and "concatenation" operation,we establish seismic geological random models close to subterranean platform-edge reef carbonate reservoirs.With combination of forward simulation,conventional processing and similarity analysis,we have obtained structure and model parameters of platform-edge reef reservoirs which are very close to the reality.
引文
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[12]奚先,姚姚.二维黏弹性随机介质中的波场特征.石油地球物理勘探,2004,39(4):381～387Xi Xian,Yao Yao.Characteristics of wavefield in 2-Dviscoelastic random medium.OGP,2004,39(4):381～387
[13]奚先,姚姚.二维粘弹性随机介质中的波场特征分析.地球物理学进展,2004,19(3):608～615Xi Xian,Yao Yao.The analysis of the wave field char-acteristics in 2-D viscoelastic random medium.Pro-gress in Geophysics,2004,19(3):608～615
[14]朱生旺,魏修成,曲寿利等.用随机介质模型方法描述孔洞型油气储层.地质学报,2008,82(3):420～427Zhu Shengwang,Wei Xiucheng,Qu Shouli et al.De-scription of the carbonate Karst reservoir with ran-dom media model.Acta Geologica Sinica,2008,82(3):420～427
[15]殷学鑫,刘洋.二维随机介质模型正演模拟及其波场分析.石油地球物理勘探,2011,46(6):862～872Yin Xuexin,Liu Yang.Random medium 2-D modelingand its wavefield analysis.OGP,2011,46(6):862～872
[16]陈国威.南海生物礁及礁油气藏形成的基本特征.海洋地质动态,2003,22(8):32～37Chen Guowei.Basic characteristics of formation of bi-oherm and reef oil-gas pools in the South China Sea.Marine Geology Letters,2003,22(8):32～37
[17]奚先,姚姚,顾汉明.随机溶洞介质模型及其波场模拟.地球物理学进展,2005,20(2):365～369Xi Xian,Yao Yao,Gu Hanming.Random cavity medi-um model and the wave field simulation.Progress inGeophysics,2005,20(2):365～369
[18]奚先,姚姚,顾汉明.随机溶洞介质模型的构造.华中科技大学学报(自然科学版),2005,33(9):105～108Xi Xian,Yao Yao,Gu Hanming.Simulations of ran-dom cave medium model.Journal of Huazhong Uni-versity of Science and Technology(Natural ScienceEdition),2005,33(9):105～108
[19]Ikelle L,Yung S,Daube F.2-D random media with el-lipsoidal autocorrelation function.Geophysics,1993,58(9):1359～1372
[2]吕晓光,王德发,姜洪福.储层地质模型及随机建模技术.大庆石油地质与开发,2000,19(1):10～13Lv Xiaoguang,Wang Defa,Jiang Hongfu.Reservoirgeologic model and random modeling technique.Pe-troleum Geology&Oilfield Development in Daqing,2000,19(1):10～13
[3]Haldorsen H H and Damsleth E.Stochastic model-ing.JPT,1990,42(4):404～412
[4]MacDonald A C et al.Sedimentology and shale model-ing of sandstone-rich fluvial reservoir:upper StatfjordFormation,Statfjord field,Northern North Sea.AAPG,1993,77(6):1016～1040
[5]Korn M.Seismic wave in random media.Journal ofApplied Geophysics,1993,29(3,4):247～269
[6]Deutsch C V and Wang Liking.Hierarchical object-based stochastic modeling of fluvial reservoir.Mathe-matical Geology,1996,28(7):857～880
[7]奚先,姚姚.随机介质模型的模拟与混合型随机介质.地球科学——中国地质大学学报,2002,27(1):67～71Xi Xian,Yao Yao.Simulations of random mediummodel and intermixed random medium.Earth Science(Journal of China University of Geosciences),2002,27(1):67～71
[8]姚姚,奚先.区域多尺度随机介质模型及其波场分析.石油物探,2004,43(1):1～7Yao Yao,Xi Xian.Regionalized multi-scale randommedium model and its wavefield analysis.GPP,2004,43(1):1～7
[9]奚先,姚姚.二维横向各向同性弹性随机介质中的波场特征.地球物理学进展,2004,19(4):924～932Xi Xian,Yao Yao.The wave filed characteristics of 2-D transversely isotropic elastic random medium.Pro-gress in Geophysics,2004,19(4):924～932
[10]奚先,姚姚.二维弹性随机介质中的波场特征.石油地球物理勘探,2004,39(6):679～685Xi Xian,Yao Yao.Wavefield characters of 2-D elasticrandom medium.OGP,2004,39(6):679～685
[11]奚先,姚姚.二维弹性随机介质中的波场特征.地球物理学进展,2005,20(1):147～154Xi Xian,Yao Yao.The wave field characteristics in 2Delastic random media.Progress in Geophysics,2005,20(1):147～154
[12]奚先,姚姚.二维黏弹性随机介质中的波场特征.石油地球物理勘探,2004,39(4):381～387Xi Xian,Yao Yao.Characteristics of wavefield in 2-Dviscoelastic random medium.OGP,2004,39(4):381～387
[13]奚先,姚姚.二维粘弹性随机介质中的波场特征分析.地球物理学进展,2004,19(3):608～615Xi Xian,Yao Yao.The analysis of the wave field char-acteristics in 2-D viscoelastic random medium.Pro-gress in Geophysics,2004,19(3):608～615
[14]朱生旺,魏修成,曲寿利等.用随机介质模型方法描述孔洞型油气储层.地质学报,2008,82(3):420～427Zhu Shengwang,Wei Xiucheng,Qu Shouli et al.De-scription of the carbonate Karst reservoir with ran-dom media model.Acta Geologica Sinica,2008,82(3):420～427
[15]殷学鑫,刘洋.二维随机介质模型正演模拟及其波场分析.石油地球物理勘探,2011,46(6):862～872Yin Xuexin,Liu Yang.Random medium 2-D modelingand its wavefield analysis.OGP,2011,46(6):862～872
[16]陈国威.南海生物礁及礁油气藏形成的基本特征.海洋地质动态,2003,22(8):32～37Chen Guowei.Basic characteristics of formation of bi-oherm and reef oil-gas pools in the South China Sea.Marine Geology Letters,2003,22(8):32～37
[17]奚先,姚姚,顾汉明.随机溶洞介质模型及其波场模拟.地球物理学进展,2005,20(2):365～369Xi Xian,Yao Yao,Gu Hanming.Random cavity medi-um model and the wave field simulation.Progress inGeophysics,2005,20(2):365～369
[18]奚先,姚姚,顾汉明.随机溶洞介质模型的构造.华中科技大学学报(自然科学版),2005,33(9):105～108Xi Xian,Yao Yao,Gu Hanming.Simulations of ran-dom cave medium model.Journal of Huazhong Uni-versity of Science and Technology(Natural ScienceEdition),2005,33(9):105～108
[19]Ikelle L,Yung S,Daube F.2-D random media with el-lipsoidal autocorrelation function.Geophysics,1993,58(9):1359～1372
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