在复杂的断裂中进行位结算和长期导电性计算.
Xiaopeng Wang1,2, Xiaocheng Zhang1,2, Ming Zhang1,2
1State Key Laboratory of Offshore Oil Exploitation, Beijing 100028, China.
ACS omega
|March 25, 2024
概括
这项研究引入了一种新方法来计算复杂的断裂导电性,考虑推进剂的放置和变形. 结果显示,导电性随着时间的推移而下降,这是由于支柱体的嵌入和爬行,受封闭压力和沙子度的影响.
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
- 流体动力学 流体动力学
背景情况:
- 当前的断裂导电性模型往往忽略了复杂的断裂网络中的推进物放置.
- 单一断裂测试不足以反映复杂的断裂系统的整体导电性.
研究的目的:
- 开发一种用于长期复杂断裂导电性的新计算方法.
- 为了将推进剂的放置,嵌入和应力变形纳入导电性计算.
主要方法:
- 开发了一种计算方法,将骨折形态,推进物放置和变形整合起来.
- 分析的断裂导电性随着时间的推移和不同关闭压力下发生变化.
- 研究了推进剂放置,沙子度和破裂液粘度的影响.
主要成果:
- 断裂导电性随着时间的推移在三个不同的阶段下降:嵌入,爬行和稳定.
- 主骨折的长期导电性比分支骨折的长期导电性高.
- 增加的关闭压力减少了主要和分支断裂导电性,这是由于加速的推进物嵌入和爬行.
结论:
- 支柱的放置显著影响断裂导电性,较高的砂比提高了主和分支断裂的导电性.
- 断裂液粘度增强了支物迁移,促进了分支断裂的更好的分布,并提高了它们的导电性.
- 拟议的方法可以更准确地评估复杂系统中的长期断裂导电性.
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