Oil & Gas Geology ›› 2020, Vol. 41 ›› Issue (2): 407-415.doi: 10.11743/ogg20200216
• Petroleum Geology • Previous Articles Next Articles
Bole Gao1,2(), Renfang Pan1,2,*(), Jineng Jin1,2, Jian Zhang3, Shengxian Zhao3, Jie Yan3
Received:
2018-12-12
Online:
2020-04-01
Published:
2020-04-03
Contact:
Renfang Pan
E-mail:gaobole@foxmail.com;rfpan@qq.com
CLC Number:
Bole Gao, Renfang Pan, Jineng Jin, Jian Zhang, Shengxian Zhao, Jie Yan. Characteristic analysis of seismic response of micro-fractures in organic-rich shale: A case study of Well Ning201 in the Changning demonstration zone[J]. Oil & Gas Geology, 2020, 41(2): 407-415.
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Table 3
Thomsen parameters of AVAZ model obtained from Well Ning201, Sichuan Basin"
模型类型 | 地层类型 | 微裂缝密度 | α/(m·s-1) | β/(m·s-1) | ρ/(g·cm-3) | εH | γH | δH |
高微裂缝密度 | 盖层 | — | 3 823.9 | 2 389.7 | 2.55 | — | — | — |
储层 | 0.013 | 4 275.4 | 2 628.7 | 2.47 | -0.035 | -0.020 | -0.028 | |
中微裂缝密度 | 盖层 | — | 3 823.9 | 2 389.7 | 2.55 | — | — | — |
储层 | 0.006 | 4 275.4 | 2 628.7 | 2.47 | -0.017 | -0.010 | -0.014 | |
低微裂缝密度 | 盖层 | — | 3 823.9 | 2 389.7 | 2.55 | — | — | — |
储层 | 0.004 | 4 275.4 | 2 628.7 | 2.47 | -0.011 | -0.010 | -0.009 |
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