在水泛滥作业期间,储水岩石的地力学参数变化的实验建模
Mahmoud Abedifar1, Seyed Jamal Sheikh Zakariaei2, Mohammad Abdideh3
1Department of Petroleum Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran.
Scientific reports
|April 2, 2025
概括
阿斯马里碳酸盐水库的水淹没改变了地力学特性. 本研究量化了弹性系数和应力场的变化,这些变化对于油气田管理至关重要.
科学领域:
- 石油工程是石油工程中的一个.
- 地质力学 地质力学
- 储水库工程 储水库工程
背景情况:
- 储地力学建模对于油气田规划和钻井操作至关重要.
- 了解现场应力和弹性特性对于水库管理至关重要.
研究的目的:
- 调查地力学弹性系数和现场应力场在水淹没前后的变化.
- 分析注入水和温度变化对水库性能的影响.
主要方法:
- 在阿瓦兹油田的阿斯马里水库的地力学建模.
- 对模量,体积模量,剪切模量和摩擦系数变化的分析.
- 在水淹没之前和之后对莫尔圆的评估.
主要成果:
- 模量显示出不同的反应,从21GPa下降到18GPa,并随着温度的增加从14.22GPa增加到23.77GPa.
- 在水淹没后,摩擦系数从32.21%增加到38.53%.
- 散装模块从12.23降低到10.27GPa,而剪切模块在洪水后从8.67降低到7.7GPa;温度升高提高了这些模块.
结论:
- 水的泛滥大大改变了碳酸盐水库的地力学特征.
- 温度变化与水泛滥相互作用,改变弹性系数和应力状态.
- 该研究提供了优化水库开发和钻井策略的基本数据.
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