IGGCAS OpenIR  > 油气资源研究院重点实验室
Q-compensated reverse-time migration for natural gas hydrate using fractional viscoacoustic wave equation
Ning, Yaxin; Wang, Yanfei1
2021-11-01
Source PublicationENERGY REPORTS
ISSN2352-4847
Volume7Pages:8505-8521
AbstractNatural gas hydrate (NGH) is a potential clean alternative energy source for fossil fuels. In seismic imaging profiles, NGH is often identified by the bottom-simulating reflection (BSR), which is characterized by strong reflection amplitude and negative polarity. High-resolution and amplitude-preserved seismic imaging are demanded for the detection of NGH. However, the traditional acoustic reverse-time migration ignores the attenuation characteristics of the medium, which leads to reduced amplitude and distorted phase of the seismic wave. In particular, when the hydrate saturation is low or the underlying formation does not contain free gas, it is difficult to observe the identifiable BSR in the traditional acoustic imaging profile, which causes difficulties in the identification of NGH. Here, we introduce the fractional viscoacoustic wave equation to perform the Q-compensated reverse-time migration (Q-RTM) for NGH, which can accurately recover the amplitude loss, correct the phase distortion, and provide high-resolution and high-illumination imaging results. Finally, Q-RTM can effectively enhance the BSR, reduce the uncertainty of hydrate identification, help to confirm the location and spatial distribution of the gas hydrate-bearing sediments, further refine the geological properties, and provide some theoretical basis for the exploitation and drilling of hydrate. (C) 2021 The Authors. Published by Elsevier Ltd.
KeywordNatural gas hydrate Complex structure imaging Fractional Laplacian Q-Compensation for attenuation
DOI10.1016/j.egyr.2021.08.030
Funding OrganizationOriginal Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS
WOS KeywordCONSTANT-Q ; PROPAGATION ; ATTENUATION ; ALGORITHM ; INVERSION ; SEDIMENTS ; EFFICIENT ; MEDIA ; ROCKS
Language英语
Funding ProjectOriginal Innovation Research Program of the Chinese Academy of Sciences (CAS)[ZDBS-LY-DQC003] ; Key Research Program of the Institute of Geology & Geophysics, CAS[IGGCAS-2019031] ; Key Research Program of the Institute of Geology & Geophysics, CAS[SZJJ-201901]
Funding OrganizationOriginal Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Original Innovation Research Program of the Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS
WOS Research AreaEnergy & Fuels
WOS SubjectEnergy & Fuels
WOS IDWOS:000727768800007
PublisherELSEVIER
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Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/103930
Collection油气资源研究院重点实验室
Corresponding AuthorWang, Yanfei
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
Corresponding Author AffilicationKey Laboratory of Petroleum Resource Research, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Ning, Yaxin,Wang, Yanfei. Q-compensated reverse-time migration for natural gas hydrate using fractional viscoacoustic wave equation[J]. ENERGY REPORTS,2021,7:8505-8521.
APA Ning, Yaxin,&Wang, Yanfei.(2021).Q-compensated reverse-time migration for natural gas hydrate using fractional viscoacoustic wave equation.ENERGY REPORTS,7,8505-8521.
MLA Ning, Yaxin,et al."Q-compensated reverse-time migration for natural gas hydrate using fractional viscoacoustic wave equation".ENERGY REPORTS 7(2021):8505-8521.
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