GSTDTAP  > 地球科学
DOI10.1306/1219181413417207
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
ISSN0149-1423
EISSN1558-9153
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
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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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