地质科技情报2009,Vol.28Issue(6):57-63,7.
洪积扇相砂砾岩体储层构型研究方法探讨
Reservoir Architecture of Multiplex Glutenite on Alluvial Fan
摘要
Abstract
Based on the study of different hierarchical bounding surfaces and the transplantation of the Miall's idea in the complex reservoir of alluvial fans, a hierarchy analysis method is established, which is suited for the development precision on the inner structure of the alluvial fans. This hierarchy consists of the large-scale glutenite multiplex channel, moderate scale single channel and the small scale high penetrative member. Then five level architectural boundary systems of glutenite of alluvial fan reservoir are set up. The bounding surfaces at Level Five and Level Four often act as fluid-flow barriers, while that at Level Three is a contact plane between two kinds of lithology. The distribution of the three planar model of multiplex glutenite is characterized by single-period banding of the subfacies on the fan margin, multi-period mingle broad banding of the intrafan subfacies and multi-period thick vertical superimposition tablet in the fanhead subfacies. Hence, a method of single-period channel is proposed for the study based on these characteristics. With this method the three dimensional assemblage is established with spatial pattern of the three kinds of single-period channel according to the four fields of vertical and latteral identification marks of each single period-channel. The analysis of two actual typical well blocks demonstrates that the single-period channel of the fanhead subfacies is distributed along the ancient water flow , approximately linear to the orientation of the sedimentary source, and that the multi-period channel is wedge-shaped imbricate superimposition, cutting and overlying on the vertical orientation of sedimentary source . While the intrafan subfacies present characteristics of muli-period channel sideway overlying on the vertical orientation of sedimentary source.关键词
洪积扇/砂砾岩复合体/储层构型/克拉玛依油田Key words
alluvial fan/multiplex glutenite/reservoir architecture/Karamay Oilfield分类
能源科技引用本文复制引用
焦巧平,高建,侯加根,岳大力..洪积扇相砂砾岩体储层构型研究方法探讨[J].地质科技情报,2009,28(6):57-63,7.基金项目
国家高技术研究发展计划(863计划)项目(2008AA06Z206) (863计划)
中国石油天然气股份有限公司重点科技攻关项目"准噶尔盆地西北缘滚动精细勘探(2005~2009)" (2005~2009)