气候变化领域集成服务门户(CCPortal): Critical Fluid Injection Volumes for Uncontrolled Fracture Ascent

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DOI	10.1029/2020GL087774
	Critical Fluid Injection Volumes for Uncontrolled Fracture Ascent
	Davis T.; Rivalta E.; Dahm T.
发表日期	2020
ISSN	0094-8276
卷号	47 期号:14
英文摘要	Hydrofracturing is a routine industrial technique whose safety depends on fractures remaining confined within the target rock volume. Both observations and theoretical models show that, if the fluid volume is larger than a critical value, pockets of fluid can propagate large distances in the Earth's crust in a self-sustained, uncontrolled manner. Existing models for such critical volumes are unsatisfactory; most are two-dimensional and depend on poorly constrained parameters (typically the fracture length). Here we derive both analytically and numerically in three-dimensional scale-independent critical volumes as a function of only rock and fluid properties. We apply our model to gas, water, and magma injections in laboratory, industrial, and natural settings, showing that our critical volumes are consistent with observations and can be used as conservative estimates. We discuss competing mechanisms promoting fracture arrest, whose quantitative study could help to assess more comprehensively the safety of hydrofracturing operations. ©2020. The Authors.
英文关键词	Accident prevention; Hydraulic fracturing; Structural geology; Competing mechanisms; Constrained parameters; Critical volume; Fracture arrests; Fracture length; Hydro-fracturing; Magma injection; Quantitative study; Fracture; crust; fluid injection; fracture; hydraulic fracturing; parameter estimation; rock property; volume
语种	英语
来源期刊	Geophysical Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/170105
作者单位	GFZ (GeoForschungsZentrum), Physics of Earthquakes and Volcanoes, Potsdam, Germany
推荐引用方式 GB/T 7714	Davis T.,Rivalta E.,Dahm T.. Critical Fluid Injection Volumes for Uncontrolled Fracture Ascent[J],2020,47(14).
APA	Davis T.,Rivalta E.,&Dahm T..(2020).Critical Fluid Injection Volumes for Uncontrolled Fracture Ascent.Geophysical Research Letters,47(14).
MLA	Davis T.,et al."Critical Fluid Injection Volumes for Uncontrolled Fracture Ascent".Geophysical Research Letters 47.14(2020).