储层构造裂缝的分形分析
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摘要
本文介绍了分形理论在储层构造裂缝评价中的应用,提出了计算分形维数的网格覆盖法。以沈阳油田边台潜山岩心为例,分析了应用分数维D值定量描述储层裂缝复杂程度的可行性和可信度。该方法可用于深入研究和预测储层构造裂缝,以提高低渗透及特殊储层油气采收率。
This paper presents the application of fractal theory to the evaluation of structural fractures in reservoirs and puts forward a grid-coverage method to calculate the fractal dimension. Taking the cores from bumed hills of Shenyang oil field as an example, the authors analyzed the feasibility and reliability of using the fractal dimension D value to quantitatively describe the complexity of reservoir fractures, which provides a practical and applicable method for quantitatively describing, predicting and further studying the structural fractures of reservoirs as well as enhancing the recovery factor of oil and gas in low permeability and unconventional reservoirs.
引文
1,平田隆幸:断层与分数维,地震地质译丛,1990,(3)。2,D.L.特克特(著),陈等(译):分形与混沌──在地质学和地球物理学中的应用,地震出版社(北京),1993,16~20。3,韩玉英:构造断裂的分形分析,地质科技情报,1992,11(3)。4,陶振宇潘别桐:岩石力学原理与方法,中国地质大学出版社(武汉),1991。5,成都地质学院编写组:概率论与数理统计,地质出版社(北京),1981,259~268。

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