一个基于过程的方法来理解和管理触发的地震性
Bradford H Hager1, James Dieterich2, Cliff Frohlich3
1Earth Resources Laboratory, Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA. bhhager@mit.edu.
Nature
|July 29, 2021
概括
人类活动可能引发地震. 这项研究开发了一种使用地下数据和模型来管理诱导的地震性的新方法,该方法在意大利的一个油田中得到了成功应用.
科学领域:
- 地质学
- 地震科学
- 石油工程
背景情况:
- 人类活动如注射液体可以通过改变地下压力触发地震.
- 目前管理诱发性地震的监管框架往往是经验性的,而且成功程度有限.
- 早期研究表明,流体压力循环可以控制地震性.
研究的目的:
- 开发和实施多学科的方法来管理触发性地震.
- 用全面的地下数据对地力学和地震源物理模型进行校准.
- 根据随后的地震观测验证预测模型.
主要方法:
- 开发和测试一种新的多学科方法.
- 使用详细的地下信息对地力学和地震源物理模型进行校准.
- 通过与校准后的地震观测进行对模型的验证.
主要成果:
- 在意大利南部的瓦尔·阿格里油田成功实施该方法.
- 在生产碳化合物田中有效管理触发的地震性.
- 基于过程的方法在控制地震性方面取得了成功.
结论:
- 一个基于过程,数据驱动的方法可以成功管理触发的地震性.
- 这种方法为实证监管框架提供了更强大的替代方案.
- 该方法有可能在全球范围内应用于减轻诱导的地震性.
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