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综合多信息进行地震约束储层随机建模——以准噶尔盆地庄1井区J1S2^2砂组为例
引用本文:程立华,吴胜和,贾爱林,杨海长,宋春刚. 综合多信息进行地震约束储层随机建模——以准噶尔盆地庄1井区J1S2^2砂组为例[J]. 海洋地质与第四纪地质, 2008, 28(3)
作者姓名:程立华  吴胜和  贾爱林  杨海长  宋春刚
作者单位:1. 中国石油勘探开发研究院,鄂尔多斯分院,北京100083
2. 中国石油大学,资源与信息学院,北京,102249
3. 中国海洋石油研究中心,北京,100027
4. 中国石油化工出版社,北京,100011
基金项目:国家重点基础研究发展规划项目
摘    要:
针对地震约束储层随机建模中地震反演波阻抗数据体与岩相概率关系差的问题,提出综合多信息、逐级约束、多级建模的思路方法。首先以地震反演数据体约束建立地球物理特征曲线随机参数场,再以每一个地球物理特征曲线参数场为约束建立相模型,最后以优选的相模型和地球物理特征曲线参数场为约束进行储层参数建模。该方法在井距较大的开发前期评价阶段具有较好的应用效果。

关 键 词:测井约束反演  随机模拟  储层建模

A NEW METHOD OF RESERVOIR STOCHASTIC MODELING CONSTRAINED BY SEISMIC DATA:A CASE STUDY OF J1S22 FORMATION OF ZH1 BLOCK IN ZHUNGGAR BASIN
CHENG Li-hua,WU Sheng-he,JIA Ai-lin,YANG Hai-zhang,SONG Chun-gang. A NEW METHOD OF RESERVOIR STOCHASTIC MODELING CONSTRAINED BY SEISMIC DATA:A CASE STUDY OF J1S22 FORMATION OF ZH1 BLOCK IN ZHUNGGAR BASIN[J]. Marine Geology & Quaternary Geology, 2008, 28(3)
Authors:CHENG Li-hua  WU Sheng-he  JIA Ai-lin  YANG Hai-zhang  SONG Chun-gang
Affiliation:CHENG Li-hua~1 WU Sheng-he~2 JIA Ai-lin~1 YANG Hai-zhang~3 SONG Chun-gang~4
Abstract:
As a case study of ZH1 block in Zhunggar basin,a new method of multistep constraint stochastic modeling was presented,which integrates together geology,well logging and seismic data.The multistep modeling method can properly solve the problem that simulation target value and restriction value have no perfect relations,for example,facies and impedance.The method of multistep modeling has three steps. Firstly,the random field of typical geophysics curve,constrained by impedance data,is built by Collocated Cokriging simulation.Secondly,based on the geophysics curve field realizations the facies models are built.Finally the reservoir parameters model is built using Sequential Gauss simulation,constrained by the reasonable facies model which is picked through facies simulation realization analysis.This method has good performance in the phase of pre-development.
Keywords:well-constrained seismic inversion  stochastic simulation  reservoir modeling
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