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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 5. Отображено 5.
27-03-2013 дата публикации

Method and device for conducting reservoir prediction and based on earth surface consistency deconvolution

Номер: CN102998703A
Автор: Li Guofa, Qin Dehai, Zhang Baoqing, Cao Mingqiang, Wang Wanli, Li Hao, Liu Zhao
Принадлежит:

The invention provides a method and a device for conducting reservoir prediction and based on earth surface consistency deconvolution. The method includes collecting earthquake records formed by reflection earthquake signals from underground, generating a target function according to the earthquake records, conducting earth surface consistency deconvolution on the earthquake records to obtain shot point components and demodulator probe components, conducting minimum phase processing on the shot point components and the demodulator probe components to obtain minimum phase shot detection response, acquiring earthquake records free of non-geological factors according to the target function and the minimum phase shot detection response, mapping an earthquake section image according to the earthquake records free of the non-geological factors, comprehensively interpreting the earthquake section image to obtain a reservoir prediction result. The method and device removes effect of collection ...

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Номер записи: 1
27-03-2013 дата публикации

Method and system for attenuating seismic data random noise

Номер: CN102998706A
Автор: Li Guofa, Wang Yaojun, Fu Lixin, Peng Gengxin, Man Yizhi, Qin Dehai, Li Hao
Принадлежит:

The invention discloses a method and system for attenuating seismic data random noise. The method includes: seismic data are obtained; Fourier transform is performed on the seismic data to generate frequency-space domain seismic data; plural empirical mode decomposition is performed on the frequency-space domain seismic data in the space direction to generate a plurality of modal components; an optimization method is used for generating self-adaptive signal reconstruction operators according to the frequency-space domain seismic data and the plurality of modal components; frequency domain seismic signals are reconstructed and generated according to the self-adaptive signal reconstruction operators and the plurality of modal components; Fourier transform is performed on the frequency domain seismic signals to generate time domain seismic signals after the random noise is attenuated; and a seismic section image after the noise is attenuated is drawn according to the time domain seismic signals ...

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Номер записи: 2
27-02-2013 дата публикации

Suppression method and suppression device for surface wave interference for seismic record

Номер: CN102944895A
Автор: Li Guofa, Qin Dehai, Fu Lixin, Zhu Wenliang, Yue Ying, Zhai Tongli
Принадлежит:

The invention relates to a suppression method and a suppression device for surface wave interference for a seismic record. The suppression method comprises the steps of acquiring a seismic record xi(t), acquiring a surface wave interference high cut-off frequency fg according to the seismic record xi(t), confirming a changing curve q(t) according to the surface wave interference high cut-off frequency fg, acquiring a seismic record yi(t) of a surface wave interference frequency band by conducting low-pass filtering with a high cut-off frequency of fg on the seismic record xi(t), acquiring a seismic record zi(t) of non-surface wave interference frequency range by conducting band-pass filtering with a low cut-off frequency of fg and a high cut-off frequency of 2fg on the seismic record xi(t), acquiring an amplitude variation curve py(t) according to the seismic record yi(t) of the surface wave interference frequency band, acquiring an amplitude variation curve pz(t) according to the seismic ...

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Номер записи: 3
13-03-2013 дата публикации

Method and device for evaluating reliability of wave impedance inversion data

Номер: CN102967884A
Автор: Li Guofa, Ma Yanyan, Yue Ying, Fu Lixin, Zhai Tongli, Guo Chunxiang, Li Hao, Liu Zhao, Qin Dehai
Принадлежит:

The invention discloses a method and a device for evaluating reliability of wave impedance inversion data. The method for evaluating the reliability of the wave impedance inversion data comprises the steps of determining spatial change characteristics of the root-mean-square amplitude of seismic data; determining spatial change characteristics of the root-mean-square amplitude of reflection coefficient high-frequency components; determining the similarity between spatial change characteristics of the root-mean-square amplitude of seismic data and spatial change characteristics of the root-mean-square amplitude of reflection coefficient high-frequency components; and evaluating the reliability of the wave impedance inversion data according to the similarity. According to the method and the device, a concise, practical, objective and effective quantitative evaluation system is provided for wave impedance inversion, the reliability of petroleum-gas prediction by using the wave impedance inversion ...

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Номер записи: 4
03-04-2013 дата публикации

Mixed phase wavelet deconvolution method based on phase decomposition

Номер: CN103018775A
Автор: Li Guofa, Zhou Xinyuan, Wang Zhaoming, Yang Haijun, Peng Gengxin, Xie Huiwen, Qin Dehai, Man Yizhi, Duan Wensheng, Cui Yongfu
Принадлежит:

The invention discloses a mixed phase wavelet deconvolution method based on phase decomposition, which is applicable to seismic signal processing during seismic exploration. The method is characterized by comprising the following steps of: artificially stimulating and receiving seismic records; performing conventional seismic data processing such as noise suppression, deconvolution, velocity analysis and offset on the seismic records; estimating a seismic wavelet amplitude spectrum through a seismic record amplitude spectrum by employing a cepstrum separation method; obtaining a series of mixed phase wavelet sets with the same amplitude spectrum and different phase spectrums; determining the actual mixed phase seismic wavelets according to the variance norm after the deconvolution; setting the expected output zero phase seismic wavelets; calculating a deconvolution operator; performing convolution on the deconvolution operator and the seismic records; and drawing the seismic records to ...

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Номер записи: 5