Researches on Complex Fault-Block Structure Modeling Methods
详细信息
- 责任者：Sun Xiaoxia (Geoscience Research Institute ; Shengli Oilfield Company ; SINOPEC ; Dongying 257015 ; China)
- 刊名：Computing Techniques for Geophysical and Geochemical Exploration
- 出版年：2013
- 卷期：35(2)
- 关键词：断块油气藏 ; fault block reservoir ; 地质建模 ; geological modeling ; 东营凹陷 ; Dongying Sag
- 页码：p.231-235
- 图表：illus., 15 refs.
- 分类号：1003
- issnNo：ISSN1001-1749
- isbnNo：CN51-1242/P
摘要
In view of the characteristic of Yong 3-1 complex fault block reservoir,this paper proposed a formation based divide-combine modeling method.Conventional single model was divided into several models according to layer series of development.Firstly the large bending boundary of the reservoir-controlling fault was split into three less curved faults and modeled separately.The consistent occurrence of faults that cross layer series can effectively reduce the oil reserves computation errors.Secondly,the complex truncation relations between low-class faults and major fault inside layer series of development were converted into simple ones.This will solve the difficulties of interior faults modeling during the research of complex oil reservoir that was cut by many faults.Finally,an optimized multi-model combination was obtained by grid control method and strata penetration regulation.The acquired mesh model can divide faults accurately into segments and provide accurate data fields for reservoir numerical simulation.