[PDF][PDF] 黏弹性犞犜犐介质微地震正演模拟与震源机制全波形反演

唐杰, 刘英昌, 韩盛元, 孙成禹 - 地球物理学报, 2022 - geophy.cn
摘要微地震矩张量能够描述储层岩石破坏的细节, 有助于了解水力压裂储层的地质力学特征,
震源机制矩张量反演对于非常规油气开发具有重要的作用. 水力压裂通常在页岩油气储层中进行 …

Microseimic forward modeling and full-waveform inversion of focal mechanisms for viscoelastic vertically transverse isotropic media

J TANG, YC LIU, SY HAN, CY SUN - Chinese Journal of Geophysics, 2022 - en.dzkx.org
The microseismic moment tensor can describe the details of rock failure in reservoirs, which
helps reveal geomechanical characteristics of hydraulic fracturing reservoirs. Moment tensor …

[HTML][HTML] 基于Low rank 近似的黏弹性介质衰减补偿微地震逆时定位与裂缝成像

唐杰, 刘英昌, 李聪, 孙成禹 - 地球物理学报, 2021 - html.rhhz.net
真实地下介质具有黏弹性, 地震波在传播过程中会发生耗散与频散. 忽视黏弹性介质的吸收衰减
效应, 逆时延拓过程中地震波将会出现振幅减弱, 相位失真等现象, 无法准确定位震源真实位置 …

[PDF][PDF] 基于组稀疏约束的微地震震源参数谱投影梯度反演

唐杰, 刘英昌, 李聪, 高翔, 孙成禹 - 地球物理学报, 2022 - dsjyj.com.cn
摘要震源参数反演是微地震监测中的关键技术, 常规走时或逆时定位方法可以快速获取震源的
空间位置, 但是会忽略震源的时间信息. 全波形反演(FWI) 是一种有效的工具 …

[HTML][HTML] 黏弹性VTI 介质微地震数据目标导向裂缝染色逆时偏移

刘英昌, 唐杰, 高翔, 孙成禹 - 地球物理学报, 2023 - dsjyj.com.cn
水力压裂技术能够改善储层中裂缝的连通性, 实现致密储层油气增产, 利用压裂过程中产生的微
地震事件进行裂缝偏移成像有助于评价水力压裂效果. 水力压裂通常在具有黏弹性和各向异性的 …

Reverse time location of microseismic source and fracture imaging with attenuation compensation in viscoelastic medium based on low rank approximation

J TANG, YC LIU, C LI, CY SUN - Chinese Journal of Geophysics, 2021 - en.dzkx.org
Due to the viscoelasticity of real underground media, dissipation and dispersion occur when
seismic wave propagates. If the absorption effect of the viscoelastic medium is not …

An Energy Focusing-Based Scanning and Localization Method for Shallow Underground Explosive Sources

D Wu, L Wang, J Li - Electronics, 2023 - mdpi.com
To address the problem of slow speed and low accuracy for recognizing and locating the
explosive source in complex shallow underground blind spaces, this paper proposes an …

Group sparse constrained inversion of microseismic sources parameters based on spectral projection gradient method

T Jie, LIU YingChang, LI Cong, GAO Xiang… - Chinese Journal of …, 2022 - dzkx.org
Source parameters inversion is the key technology in microseismic monitoring.
Conventional methods including travel time and reverse time location can quickly obtain the …

Microseismic target-oriented fractures staining reverse time migration in viscoelastic vertical transverse isotropic media

YC LIU, J TANG, X GAO, CY SUN - Chinese Journal of Geophysics, 2023 - en.dzkx.org
Hydraulic fracturing can improve the connectivity of natural fractures to improve oil and gas
production. Fractures migration imaging based on microseismic events generated during …