Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1306/1219181413417207 |
Analysis of fault damage zones using three-dimensional seismic coherence in the Anadarko Basin, Oklahoma | |
Liao, Zonghu1; 39;ev2 | |
2019-08-01 | |
发表期刊 | AAPG BULLETIN
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ISSN | 0149-1423 |
EISSN | 1558-9153 |
出版年 | 2019 |
卷号 | 103期号:8页码:1771-1785 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; USA |
英文摘要 | Fault damage zones may significantly affect subsurface fluid migration and the development of unconventional resources. Most analyses of fault damage zones are based on direct field observations, and we expand these analyses to the subsurface by investigating the damage zone structure of an approximately 32-km (similar to 10(5)-ft)-long right-lateral strike-slip fault in Oklahoma. We used the three-dimensional (3-D) seismic attribute of coherence to first define its regional and background levels, and then we evaluated the damage zone dimensions at multiple sites. We found damage zone thickness of approximately 1600 m (similar to 5300 ft) at a segment that is dominated by subsidiary faults, and it is slightly thicker at a segment with a pull-apart basin. The damage zone intensity decays exponentially with distance from the fault core, in agreement with field observations and distribution of seismic events. The coherence map displays a strong asymmetry of the damage zone between the two sides of the 3-D fault, which is related to the subsidiary structures of the fault zone. We discuss the effects of heterogeneous stress field on damage zone evolution through the detected subsidiary structures. It appears that seismic coherence is an effective tool for subsurface characterization of fault damage zones. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000481614200001 |
WOS关键词 | SAN-ANDREAS ; PUNCHBOWL FAULT ; DYNAMIC RUPTURE ; GROWTH ; SLIP ; DEFORMATION ; ROCKS ; DISPLACEMENT ; PROPAGATION ; ATTRIBUTES |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/185368 |
专题 | 地球科学 |
作者单位 | 1.China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing, Peoples R China; 2.China Univ Petr, Coll Geosci, Beijing, Peoples R China; 3.Univ Oklahoma, Sch Geol & Geophys, Norman, OK 73019 USA |
推荐引用方式 GB/T 7714 | Liao, Zonghu,39;ev. Analysis of fault damage zones using three-dimensional seismic coherence in the Anadarko Basin, Oklahoma[J]. AAPG BULLETIN,2019,103(8):1771-1785. |
APA | Liao, Zonghu,&39;ev.(2019).Analysis of fault damage zones using three-dimensional seismic coherence in the Anadarko Basin, Oklahoma.AAPG BULLETIN,103(8),1771-1785. |
MLA | Liao, Zonghu,et al."Analysis of fault damage zones using three-dimensional seismic coherence in the Anadarko Basin, Oklahoma".AAPG BULLETIN 103.8(2019):1771-1785. |
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