[특허]Method for attenuating surface wavetrains in seismic data

Method for attenuating surface wavetrains in seismic data 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01V-001/28 G01V-001/36
출원번호	US-0790947 (1997-01-29)
발명자 / 주소	Kim Young C.
출원인 / 주소	Exxon Production Research Company
대리인 / 주소	Bell
인용정보	피인용 횟수 : 22 인용 특허 : 2

초록 ▼

A method for attenuating source-generated surface wavetrains in a set of seismic data traces. According to the method, the seismic data traces are Fourier transformed with respect to time to determine the frequency components of the surface wavetrain. A phase matching operation is then performed using estimates of the wavenumbers for each of the frequency components to approximately align the surface wavetrain in the seismic data traces. Next, a spatial low-pass filter is used to remove the approximately aligned surface wavetrain. Finally, the phase matching is removed and an inverse Fourier transformation is performed to return the seismic data traces to the time domain.

대표청구항 ▼

[ What is claimed is:] [1.] A method for attenuating a source-generated surface wavetrain in a set of common-source prestack seismic data traces, said method comprising the steps of:a. performing a Fourier transformation of said seismic data traces with respect to time to determine the frequency components of said surface wavetrain;b. estimating the wavenumber for each of said frequency components of said surface wavetrain;c. using said wavenumber estimates to perform a phase matching operation to approximately align said surface wavetrain in said seismic data traces;d. applying a spatial low-pass filter to remove said approximately aligned surface wavetrain;e. removing said phase matching from said seismic data traces; andf. performing an inverse Fourier transformation to return said seismic data traces to the time domain.

이 특허에 인용된 특허 (2)

Linville ; Jr. Andrew F. (Dallas TX) Meek Robert A. (Sanger TX), Method for removing coherent noise from an array of seismic traces.
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Meek Robert A. (Sanger TX) Linville ; Jr. Andrew F. (Dallas TX), Method for removing coherent noise from seismic data through T-K filtering.
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이 특허를 인용한 특허 (22)

Lee, Sunwoong; Ross, Warren S., Characterizing spatial variability of surface waves in seismic processing.
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Strobbia, Claudio Luciano; Glushchenko, Anna, Continuous adaptive surface wave analysis for three-dimensional seismic data.
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Sitton, Gary A.; Stieglitz, Theodore C., Flexural wave attenuation.
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Sitton, Gary A.; Stieglitz, Theodore C., Flexural wave attenuation.
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Baeten, Guido Josef Maria; Marschall, Roland, Ground roll attenuation method.
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Laake, Andreas W.; Strobbia, Claudio; Velasco, Larry; Ferber, Ralf G., Joint interpretation of Rayleigh waves and remote sensing for near-surface geology.
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Vaage, Svein Torleif, Method and system for acquiring marine seismic data using multiple seismic sources.
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Vaage, Svein Torleif, Method for acquiring and processing seismic survey data using ocean bottom cables and streamers.
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Vaage, Svein Torleif, Method for acquiring and processing seismic survey data using ocean bottom cables and streamers.
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Baumstein, Anatoly; Neelamani, Ramesh, Method for analyzing multiple geophysical data sets.
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Gasparotto Fernanda A. ; Lau Yiu-Wa August, Method for identifying and removing multiples from seismic reflection data.
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Berteussen, Karl-Andreas; Sun, Yuefeng; Zhang, Zhao, Method for removing Scholte waves and similar ground roll type waves from seismic sea bottom data shallow waters.
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Lecomte,Isabelle, Method for simulating local prestack depth migrated seismic images.
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Ikelle Luc T., Multi-shooting approach to seismic modeling and acquisition.
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Laake, Andreas W.; Strobbia, Claudio; Cutts, Andrew, Near surface layer modeling.
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Laake, Andreas, Near-surface geomorphological characterization based on remote sensing data.
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Zou, Keshan; Dai, Jianchun; Xu, Haibin; Hannan, Andrew E.; Koesoemadinata, Adam P., PP/PS event matching (registration).
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Krohn, Christine E., Removal of surface-wave noise in seismic data.
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Ã–zbek, Ali; Hoteit, Leila, Seismic acquisition and filtering.
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Guido Josef Maria Baeten GB; Ralf-Gunter Ferber GB; Reinhard Lengeling GB, Seismic data acquisition and method for spatially filtering seismic data.
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Lee, Sunwoong; Ross, Warren S., Surface wave mitigation in spatially inhomogeneous media.
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Norris, Michael W; Johnson, Marvin L, Underseas seismic acquisition.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Method for attenuating surface wavetrains in seismic data 원문보기