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Laboratory simulations of fluid-induced seismicity, hydraulic fracture, and fluid flow
Geomechanics for Energy and the Environment ( IF 3.3 ) Pub Date : 2019-12-20 , DOI: 10.1016/j.gete.2019.100169
Philip M. Benson , David Carlo Austria , Stephan Gehne , Emily Butcher , Claire E. Harnett , Marco Fazio , Pete Rowley , Ricardo Tomas

Fluid-induced seismicity has been observed and recorded for decades. Seismic energy necessarily requires a source, which is frequently related to rock fracture either in compression or tension. In both cases, such fracture may be promoted by crustal fluids. In this paper, we review some of the advances in the field of fluid-induced seismicity, with a particular focus on the use and application of new and innovative laboratory methods to better understand the complex, coupled, processes in shallow sub-surface energy extraction applications. We discuss the current state-of-the-art with specific reference to Thermal-Hydraulic-Coupling in volcanotectonic environments, which has a long history of fluid-driven seismic events linked to deep fluid movement. This ranges from local earthquakes to fluid-driven resonance, known as volcanic tremor. More recently so-called non-volcanic tremor has been identified in a range of scenarios where motion at an interface is primarily driven by fluids rather than significant stress release. Finally, we review rock fracture in the tensile regime which occurs naturally and in the engineered environment for developing fractures for the purpose of resource extraction, such as hydraulic fracturing in unconventional hydrocarbon industry or developing Hot-Dry-Rock geothermal reservoirs.



中文翻译:

流体诱发地震,水力压裂和流体流动的实验室模拟

几十年来已经观察到并记录了流体诱发的地震活动。地震能量必然需要一个震源,该震源通常在压缩或拉力方面与岩石破裂有关。在这两种情况下,地壳流体都可能促进这种破裂。在本文中,我们回顾了流体诱发地震学领域的一些进展,特别着重于使用和应用新的创新实验室方法以更好地理解浅层地下能量提取的复杂,耦合过程。应用程序。我们讨论了当前的最新技术,特别是在火山构造环境中的热液耦合方面,该技术具有与深部流体运动相关的流体驱动地震事件的悠久历史。范围从局部地震到流体驱动的共振,即火山震颤。最近,已经在一系列场景中发现了所谓的非火山震颤,其中界面处的运动主要是由流体驱动的,而不是很大的应力释放。最后,我们回顾了在自然环境中以及在工程环境中发生的,以资源开采为目的而开发裂缝的自然状态下的岩石裂缝,例如非常规油气行业的水力压裂或开发的热干岩地热油藏。

更新日期:2019-12-20
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