气候变化领域集成服务门户(CCPortal): Well Proximity Governing Stress Drop Variation and Seismic Attenuation Associated With Hydraulic Fracturing Induced Earthquakes

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DOI	10.1029/2020JB020103
	Well Proximity Governing Stress Drop Variation and Seismic Attenuation Associated With Hydraulic Fracturing Induced Earthquakes
	Yu H.; Harrington R.M.; Kao H.; Liu Y.; Abercrombie R.E.; Wang B.
发表日期	2020
ISSN	21699313
卷号	125 期号:9
英文摘要	We use broadband seismic data collected within 3 km of a hydraulic fracturing (HF) well in northeast British Columbia, Canada, to estimate the stress drop values of HF-induced earthquakes and their spatial variation. Applying both spectral ratio and clustered single-spectra fitting methods to 484 induced earthquakes (M-1.0 to 3.0), we find that earthquakes close to the injection well have lower stress drop values than those at greater distance. Stress drop values are generally invariant within clusters either proximal (~0.1–1 MPa) or distal (~1–10 MPa) to the well, suggesting that dynamic ruptures in rocks with similar rheological properties tend to have relatively constant stress drop values. Clustered single spectrum fitting also suggests that the seismic quality factor (Q) is lower proximal to the well. We interpret the lower stress drop values and higher seismic attenuation proximal to the well as a result of higher fracture density and/or elevated pore pressure in the rock matrix due to hydraulic stimulation. © 2020. American Geophysical Union. All Rights Reserved.
英文关键词	hydraulic fracturing induced earthquakes; seismic attenuation; stress drop spatial distribution
语种	英语
来源期刊	Journal of Geophysical Research: Solid Earth
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/187599
作者单位	Geological Survey of Canada, Pacific Geoscience Centre, Sidney, BC, Canada; Institut für Geologie, Mineralogie & Geophysik, Ruhr-Universität Bochum, Bochum, Germany; School of Earth and Ocean Sciences, University of Victoria, Victoria, BC, Canada; Department of Earth and Planetary Sciences, McGill University, Montréal, QC, Canada; Department of Earth and Environment, Boston University, Boston, MA, United States
推荐引用方式 GB/T 7714	Yu H.,Harrington R.M.,Kao H.,et al. Well Proximity Governing Stress Drop Variation and Seismic Attenuation Associated With Hydraulic Fracturing Induced Earthquakes[J],2020,125(9).
APA	Yu H.,Harrington R.M.,Kao H.,Liu Y.,Abercrombie R.E.,&Wang B..(2020).Well Proximity Governing Stress Drop Variation and Seismic Attenuation Associated With Hydraulic Fracturing Induced Earthquakes.Journal of Geophysical Research: Solid Earth,125(9).
MLA	Yu H.,et al."Well Proximity Governing Stress Drop Variation and Seismic Attenuation Associated With Hydraulic Fracturing Induced Earthquakes".Journal of Geophysical Research: Solid Earth 125.9(2020).