SU981910A1 - Seismic prospecting method - Google Patents
Seismic prospecting method Download PDFInfo
- Publication number
- SU981910A1 SU981910A1 SU813296553A SU3296553A SU981910A1 SU 981910 A1 SU981910 A1 SU 981910A1 SU 813296553 A SU813296553 A SU 813296553A SU 3296553 A SU3296553 A SU 3296553A SU 981910 A1 SU981910 A1 SU 981910A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- registration
- medium
- vibration
- signal
- emission
- Prior art date
Links
Landscapes
- Geophysics And Detection Of Objects (AREA)
Description
(5) СПОСОБ СЕЙСМИЧЕСКОЙ РАЗВЕДКИ (5) METHOD OF SEISMIC EXPLORATION
1one
Изобретение относитс к сейсморазведке и сейсмологии и предназначено дл повышени разрешающей способности и информативности вибрационной сейсморазведки.The invention relates to seismic exploration and seismology, and is intended to increase the resolution and informativeness of vibrational seismic exploration.
Известен способ сейсмической разведки , включающий излучение и регистрацию линейно частотно-модулированного вибросигнала и взаимную коррел цию вибросейсмограммы с электричес р КИМ управл ющим сигналом 1.The known method of seismic prospecting includes the emission and recording of a linearly frequency-modulated vibrosignal and the mutual correlation of the vibroysmogram with an electrical IMC control signal 1.
Недостатком спосоЬа вл етс неадекватность электрического управл ющего сигнала как излучаемому в ереду вибросигналу, так отраженным сигналам, что не позвол ет создать оптимальные услови дл регистрации регул рных волн и снижает временную разрешенность коррелограммы и 20 динамический диапазон метода.The disadvantage of the method is the inadequacy of the electrical control signal to both the vibrating signal emitted in the signal and the reflected signals, which does not allow creating optimal conditions for recording regular waves and reduces the time resolution of the correlogram and 20 dynamic range of the method.
Известен способ вибрационной сейс-i моразведки, в котором спектр управл ющего электрического сигнала корректируют обратно пропорционально спектральной характеристике условий установки вибратора и, таким образом, повышает эффективность метода 2.There is a method of vibrating seismic-i survey, in which the spectrum of the control electrical signal is corrected inversely with the spectral characteristic of the installation conditions of the vibrator and, thus, increases the efficiency of method 2.
Недостатки способа св заны со значительными трудност ми учета нелинейных свойств неволновой зоны и невозможностью оптимальной регистрации регул рных волн.The disadvantages of the method are associated with significant difficulties in taking into account the nonlinear properties of the non-wave zone and the impossibility of optimally recording regular waves.
Наиболее близким к предлагаемому вл етс способ сейсмической разведки , основанный на излучении виброисточником в среду линейно-частотномодулированных вибросигналов, их регистрации в ограниченном частотновременном диапазоне, нахождении функции взаимной коррел ции между зарегистрированными и излучаемыми в среду скорректрированными сигналами СЗЗ.The closest to the proposed method is a seismic survey based on the radiation of a vibration source into the medium of linear-frequency-modulated vibration signals, their registration in a limited frequency-time range, finding the cross-correlation function between the corrected and recorded SPZ signals.
Недостатком этого способа вл етс невозможность коррекции излучаемого вибросигнала в соответствии со спектральными характеристиками граThe disadvantage of this method is the impossibility of correcting the radiated vibration signal in accordance with the spectral characteristics of the signal.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU813296553A SU981910A1 (en) | 1981-06-05 | 1981-06-05 | Seismic prospecting method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU813296553A SU981910A1 (en) | 1981-06-05 | 1981-06-05 | Seismic prospecting method |
Publications (1)
Publication Number | Publication Date |
---|---|
SU981910A1 true SU981910A1 (en) | 1982-12-15 |
Family
ID=20961221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU813296553A SU981910A1 (en) | 1981-06-05 | 1981-06-05 | Seismic prospecting method |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU981910A1 (en) |
-
1981
- 1981-06-05 SU SU813296553A patent/SU981910A1/en active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6704245B2 (en) | Seismic prospecting method and device using simultaneous emission of seismic signals obtained by coding a signal by pseudo-random sequences | |
US4649525A (en) | Shear wave acoustic logging system | |
US20070268781A1 (en) | Method for Seismic Exploration | |
US6807508B2 (en) | Seismic prospecting method and device using simultaneous emission of seismic signals based on pseudo-random sequences | |
US4004267A (en) | Discrete frequency seismic exploration using non uniform frequency spectra | |
US4718046A (en) | Method for driving a bender-type transmitter of a borehole logging tool to sequentially produce acoustic compressional and tube waves | |
EP0031989A1 (en) | Shear wave acoustic well logging tool | |
US6181646B1 (en) | Geophysical exploration system using seismic vibrator source which provides a composite sweep | |
US3697938A (en) | Seismic prospecting with random injected signal | |
US5995452A (en) | System for generating and transmitting acoustic signals underwater | |
US4509149A (en) | Directional long array for logging vertical boundaries | |
US3786409A (en) | Sweep signal seismic exploration | |
ES379692A1 (en) | Method for surfaces exploration adapted in particular to seismic prospecting and device therefor | |
SU981910A1 (en) | Seismic prospecting method | |
US4069470A (en) | Use of periodic signals for continuous wave seismic prospecting | |
DE3860737D1 (en) | METHOD AND DEVICE FOR SEISMICALLY EXAMINING AN ENVIRONMENT BY MEANS OF INDUCED WAVES THAT ARE ARTIFICALLY EXCITED IN A HOLE. | |
US3413596A (en) | Continuous wave marine seismic exploration | |
GB2012422A (en) | Apparatus and Method for Determining Velocity of Acoustic Waves in Earth Formations | |
FR2566135B1 (en) | METHOD FOR OPTIMIZING THE FREQUENCY SPECTRUM OF PULSES EMITTED BY IMPLOSION SEISMIC SOURCES | |
SU996964A1 (en) | Vibroseismic prospecting method | |
US5652735A (en) | Acoustic source assembly | |
RU2818018C1 (en) | Vibration seismic survey method | |
RU2122220C1 (en) | Process of seismic prospecting | |
RU96110709A (en) | SEISMIC METHOD | |
IT8267384A0 (en) | PROCEDURE FOR SEISMIC SCANNING OF A MEANS PARTICULARLY FOR GEOPHYSICAL PROSPECTION USING SEISMIC WAVES |