随机建模中相模型的优选验证原则  

The principles of selecting and testifying facies models in stochastic modelling.

作　　者：周丽清[1] 熊琦华[2] 吴胜和[2] 

机构地区：[1]中国石油勘探开发研究院 [2]石油大学

出　　处：《石油勘探与开发》2001年第1期70-71,共2页Petroleum Exploration and Development

摘　　要：在储集层随机建模中 ,相建模 (建立储集层结构模型的过程 )是参数建模的基础 ,二步建模法 (two stagesimulation)已被普遍采用。要为参数建模输送合理的相模型 ,使所建相模型忠实于密井网区的井资料 ,除选择相建模方法外 ,优选和验证相模型是关键之一。归纳出相模型验证和实现优选的原则有 :与实际地质体符合 ,抽稀井后的实现接近密井网实现 (或原模型 ) ,相控的参数建模合理 ,与动态资料符合。在ST油田ST2区沙二段S砂层组S4小层 (主要是分支河道和河道间微相沉积 )相模型建立过程中 ,通过地质分析、抽稀井分析、生产动态资料分析 ,按以上原则优选出最佳的模拟实现 ,取心资料、测井资料或地震资料、生产动态资料验证了所选择的相模型是合理的。图The two stage simulation is widely accepted in the stochastic modelling. How to input a suitable facies model to parameter modelling, selecting and testifying facies models are critical to stochastic modelling, in addition to selecting facies modelling method. The paper proposed the principles of selecting and testifying facies models, i.e. the principle of fitting to the geological phenomena, the principle of the realization by wide spacing wells closing to the dense spacing well original facies model, the principle of reasonablely facies controlled parameter modelling, and the principle of fitting to petroleum production data. The S 4 bed in Sha2 Member of Shahejie Formation, ST oil field is selected as an example of selecting a facies model from many facies modelling realizations and testifying the selected facies model by the core data, the well logging data and the petroleum production data.

关 键 词：油田开发 储集层结构模型 随机建模 相模型 优选验证原则 

分 类 号：TE321[石油与天然气工程—油气田开发工程]