| DOI: | 10.1306/05141413123
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| Scopus记录号: | 2-s2.0-84919347047
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| 论文题名: | Geomechanics of hydraulic fracturing microseismicity: Part 1. Shear, hybrid, and tensile events |
| 作者: | Busetti S.; Jiao W.; Reches Z.
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| 刊名: | AAPG Bulletin
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| ISSN: | 0149-1585
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| EISSN: | 1558-9315
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| 出版年: | 2014
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| 发表日期: | 2014
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| 卷: | 98, 期:11 | | 起始页码: | 2439
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| 结束页码: | 2457
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| 语种: | 英语
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| Scopus关键词: | Chemical activation
; Fracture
; Geomechanics
; Hydraulic fracturing
; Iterative methods
; Parameter estimation
; Population statistics
; Seismic waves
; Shale
; Fracture mapping
; Geomechanical behavior
; Microseismic events
; Natural fracture
; Plane orientation
; Selection criteria
; Source parameters
; Stimulation pattern
; Seismology
; fault plane
; fracture propagation
; geomechanics
; heterogeneity
; hydraulic fracture
; Mississippian
; seismicity
; tensile strength
; Texas
; United States
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| Scopus学科分类: | Energy
; Earth and Planetary Sciences
|
| 英文摘要: | We investigate the geomechanical behavior of hydraulicfracturing-induced microseismicity. Microseismic events are commonly used to discern stimulation patterns and hydraulic fracture evolution; however, techniques beyond fracture mapping are required to explain the mechanisms of microseismicity. In this series we present an approach to combine seismological and geomechanical techniques to investigate how microseismicity relates to propagating hydrofractures as well as existing natural fractures and faults. Part 1 describes the first analysis step, which is to characterize the microseismic events by their source parameters, focal mechanisms, and fault-plane orientations. These parameters are used to determine the mechanical conditions responsible for activation of discrete populations or subpopulations of microseismic events that then can be interpreted in their geological and operational context. First, we compare microseismic fault-plane populations from a Mississippian Barnett Shale, Texas data set that are determined using a traditional double-couple model (shear only) with a tensile source model (hybrid events), which may be more suitable for hydraulic fracturing conditions. Second, we employ a new method to distinguish fault planes from auxiliary planes using iterative stress inversion and critical stress (instability) selection criteria. The result is an enhanced microseismic characterization that includes geomechanical parameters such as slip tendency and local activation stress state during the operation. Using this approach on the Barnett Shale data, two microseismic fault sets are resolved: an inclined northeastsouthwest set with dominant shear, and a vertical north-south set with more hybrid behavior. The results are used in part 2 to further investigate the heterogeneity of the stimulations and to compare models for microseismic activation. Copyright © 2014. The American Association of Petroleum Geologists. All rights reserved. |
| URL: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-84919347047&doi=10.1306%2f05141413123&partnerID=40&md5=11849bfa062655581b4b31d0c90f5611
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| Citation statistics: |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/13156
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| Appears in Collections: | 过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响
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| Recommended Citation: | |
Busetti S.,Jiao W.,Reches Z.. Geomechanics of hydraulic fracturing microseismicity: Part 1. Shear, hybrid, and tensile events[J]. AAPG Bulletin,2014-01-01,98(11)
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