油气输导机制及输导体系定量评价研究

林玉祥; 孙宁富; 郭凤霞; 闫晓霞; 孟彩; 李晓凤; 刘虎; 李秀芹

doi:10.11781/sysydz201502237

油气输导机制及输导体系定量评价研究

doi: 10.11781/sysydz201502237

山东科技大学地质科学与工程学院, 山东青岛 266590

基金项目: 国家自然科学基金面上项目(41172108)、国家油气专项"十二五"课题(2011ZX05033-04,2011ZX05004-01)和中国石油"十二五"科技攻关课题(2011A-0203)资助。

详细信息

作者简介:
林玉祥(1963—),男,博士,教授,博士生导师,从事油气地质勘探研究。E-mail:sdkdlyx@126.com。

中图分类号: TE122.1
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出版历程
- 收稿日期: 2014-03-20
- 修回日期: 2015-01-26
- 刊出日期: 2015-03-28

Mechanism and quantitative evaluation method of the petroleum migrationn system

College of Earth Science and Engineering, Shandong University of Science and Technology, Qingdao, Shandong 266590, China

摘要

摘要: 为了减少输导体系多解性和更客观、准确地对其进行评价,该文对我国各主要含油气盆地输导体系进行了系统分析与总结,提出了基于油气输导机制的输导体系分类方案,将输导要素划分为3大类:第一类为必要的输导要素(包括输导空间、输导动力和输导流体);第二类为描述输导体系重要特性的输导要素(如输导方向、输导能力);第三类为补充说明输导体系的输导要素(如输导体系的规模与层次、形成与作用时期等)。提出的基于输导机制的输导体系命名原则为:输导体系规模与层次+形成与作用时期+输导能力+输导方向+输导动力+输导空间。同时根据各输导要素对油气运聚成藏的贡献,建立了各类输导要素优劣的定量评价标准与赋值原则。总结了成藏期古输导体系恢复方法和步骤,其中古孔隙和古构造的恢复是成藏期输导格架建立的关键。这为输导体系定量评价奠定了基础,从而可以更好地根据输导体系预测潜在油气藏,提高勘探成功率。
- 命名与分类 /
- 输导要素 /
- 定量评价 /
- 油气输导机制 /
- 油气输导体系
Abstract: A classification scheme for the petroleum migration system was proposed through the analysis and summary of the migration systems of the main petroliferous basins in China in order to reduce the multiple solutions and make more objective and accurate evaluation possible. The migration elements were classified into three types. The first type was the necessary elements, which included transportation space, power and fluid. The second type was a variety of elements that described the significant features of the migration system, including direction and capability. The third type was the elements that complemented the migration system, such as the scale and hierarchy as well as the formation and function period of the migration system. Based on the migration mechanism, a new nomenclature of the system was proposed: the scale and hierarchy of the migration system + the period of formation and function + fluid transport direction + the capability of transporting fluid+ migration power + migration space. Moreover, according to the contribution of elements on oil and gas migration and accumulation, this article systematically summarized the quantitative evaluation criterion and the assignment principle of the merits of each migration element. The restoration methods and steps of ancient migration system were determined. The recovery of paleo-pores and paleo-structure was the key to migration system recovery during the accumulation period. The method paved the way for the quantitative evaluation of migration, and made it possible to predict potential oil and gas reservoirs better and to improve the exploration success ratio.
- naming and classification /
- migration elements /
- quantitative description /
- petroleum migration mechanism /
- petroleum migration system

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