Improving the plane‑wave destruction method by parameterizing the local slope for VSP wavefield separation

• Autorzy: Guo Yinling , Peng Suping , Du Wenfeng , Li Dong , Li Chuangjian

Identyfikatory

DOI

10.1007/s11600-022-00997-z

• Języki publikacji: EN

Abstrakty

EN

High-precision seismic exploration has attracted a great deal of attention. Vertical seismic profiles have the advantages of high exploration accuracy and ideal imaging effects, making them an effective tool for mine exploration. The separation of upgoing and downgoing waves is a vital step in vertical seismic profile processing. However, wavefield separation processing in the frequency–wavenumber domain often leads to aliasing in the time–distance domain. In addition, it is likely to result in incomplete wavefield separation in the sparse domain because of inaccurate threshold selection. As an effective time–distance domain wavefield separation method, the plane-wave destruction method can effectively avoid these problems. However, the traditional local slope estimation in plane-wave destruction is data-driven, making it difficult to distinguish linear upgoing and downgoing waves. Therefore, the velocity-based local slope parameterization method is proposed to construct a plane-wave destruction filter that can be used to separate the vertical seismic profile wavefield. Synthetic and field data show that the proposed separating strategy has higher separation accuracy than traditional methods when separating the upgoing and downgoing waves of vertical seismic profile data.

Słowa kluczowe

EN

plane-wave destruction; slope; VSP; wavefield separation

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2023
• Tom: Vol. 71, no. 4
• Strony: 1659--1673
• Opis fizyczny: Bibliogr. 30 poz., rys.

Twórcy

autor

Guo Yinling

• State Key Lab of Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing 100083, China
• College of Geoscience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China

autor

Peng Suping

• State Key Lab of Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing 100083, China

autor

Du Wenfeng

• State Key Lab of Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing 100083, China

autor

Li Dong

• State Key Lab of Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing 100083, China
• College of Geoscience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China

• https://orcid.org/0000-0002-8790-3290

autor

Li Chuangjian

• State Key Lab of Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing 100083, China
• College of Geoscience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).