RU2008133896A - METHOD FOR DETERMINING RELATIVE STATIC AMENDMENTS IN SEISMIC EXPLORATION - Google Patents

METHOD FOR DETERMINING RELATIVE STATIC AMENDMENTS IN SEISMIC EXPLORATION Download PDF

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RU2008133896A
RU2008133896A RU2008133896/28A RU2008133896A RU2008133896A RU 2008133896 A RU2008133896 A RU 2008133896A RU 2008133896/28 A RU2008133896/28 A RU 2008133896/28A RU 2008133896 A RU2008133896 A RU 2008133896A RU 2008133896 A RU2008133896 A RU 2008133896A
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points
relative static
sources
altitude
excitation
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RU2008133896/28A
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Russian (ru)
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Алексей Сергеевич Михеев (RU)
Алексей Сергеевич Михеев
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Государственное образовательное учреждение высшего профессионального образования "Саратовский государственный университет им. Н.Г. Ч
Государственное образовательное учреждение высшего профессионального образования "Саратовский государственный университет им. Н.Г. Чернышевского"
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Priority to RU2008133896/28A priority Critical patent/RU2008133896A/en
Publication of RU2008133896A publication Critical patent/RU2008133896A/en

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Abstract

Способ определения относительных статических поправок в сейсморазведке, включающий запись сигналов от двух соседних источников приемниками, расположенными на линейном профиле по разные стороны от источников, корреляцию записанных сигналов и определение разности времен прихода волн, отличающийся тем, что в одной из точек на профиле измеряют скорости распространения волн над и под подошвой зоны малых скоростей, а также альтитуды точек возбуждения, после чего относительную статическую поправку ΔtСТ вычисляют по формуле: ! ! где ТI, ТII - разности времен прихода волн от различных источников к точкам приема; АI, АII - альтитуды точек возбуждения; VI, VII - скорости волн над и под подошвой зоны малых скоростей.A method for determining relative static corrections in seismic exploration, including recording signals from two adjacent sources by receivers located on a linear profile on opposite sides of the sources, correlating recorded signals and determining the difference in wave arrival times, characterized in that the propagation velocity is measured at one of the points on the profile waves above and below the bottom of the low-velocity zone, as well as the altitude of the excitation points, after which the relative static correction ΔtСТ is calculated by the formula:! ! where TI, TII are the differences in the times of arrival of waves from various sources to points of reception; AI, II - altitude points of excitation; VI, VII - wave speeds above and below the bottom of the zone of low speeds.

Claims (1)

Способ определения относительных статических поправок в сейсморазведке, включающий запись сигналов от двух соседних источников приемниками, расположенными на линейном профиле по разные стороны от источников, корреляцию записанных сигналов и определение разности времен прихода волн, отличающийся тем, что в одной из точек на профиле измеряют скорости распространения волн над и под подошвой зоны малых скоростей, а также альтитуды точек возбуждения, после чего относительную статическую поправку ΔtСТ вычисляют по формуле:A method for determining relative static corrections in seismic exploration, including recording signals from two adjacent sources by receivers located on a linear profile on opposite sides of the sources, correlating recorded signals and determining the difference in wave arrival times, characterized in that the propagation velocity is measured at one of the points on the profile waves above and below the bottom of the low-velocity zone, as well as the altitude of the excitation points, after which the relative static correction Δt CT is calculated by the formula:
Figure 00000001
Figure 00000001
 где ТI, ТII - разности времен прихода волн от различных источников к точкам приема; АI, АII - альтитуды точек возбуждения; VI, VII - скорости волн над и под подошвой зоны малых скоростей. where T I , T II - the difference in the times of arrival of waves from various sources to points of reception; And I , A II - altitude points of excitation; V I , V II - wave speeds above and below the bottom of the zone of low speeds.
RU2008133896/28A 2008-08-18 2008-08-18 METHOD FOR DETERMINING RELATIVE STATIC AMENDMENTS IN SEISMIC EXPLORATION RU2008133896A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109581503A (en) * 2017-09-28 2019-04-05 中国石油化工股份有限公司 A kind of method and system solving desert exploratory area tomographic statics border issue
CN111435172A (en) * 2019-01-15 2020-07-21 中国石油天然气集团有限公司 Method and device for chromatographic static correction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109581503A (en) * 2017-09-28 2019-04-05 中国石油化工股份有限公司 A kind of method and system solving desert exploratory area tomographic statics border issue
CN111435172A (en) * 2019-01-15 2020-07-21 中国石油天然气集团有限公司 Method and device for chromatographic static correction

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