FR2402258A1 - Methode et appareil pour la production et la transmission de signaux pour recherche d'emplacement par echo et autres fins de signalisation comme en exploration geophysique - Google Patents
Methode et appareil pour la production et la transmission de signaux pour recherche d'emplacement par echo et autres fins de signalisation comme en exploration geophysiqueInfo
- Publication number
- FR2402258A1 FR2402258A1 FR7824953A FR7824953A FR2402258A1 FR 2402258 A1 FR2402258 A1 FR 2402258A1 FR 7824953 A FR7824953 A FR 7824953A FR 7824953 A FR7824953 A FR 7824953A FR 2402258 A1 FR2402258 A1 FR 2402258A1
- Authority
- FR
- France
- Prior art keywords
- signals
- sequence
- transmission
- geophysical exploration
- octave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/003—Seismic data acquisition in general, e.g. survey design
- G01V1/005—Seismic data acquisition in general, e.g. survey design with exploration systems emitting special signals, e.g. frequency swept signals, pulse sequences or slip sweep arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/04—Details
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Communication Control (AREA)
Abstract
On décrit les méthodes et appareils pour produire et transmettre des signaux, en accord avec une séquence qui définit la relation de temps des signaux. Chaque signal a une largeur de bande qui couvre plusieurs obstacles et peut être une impulsion. Pendant l'intervalle de transmission, les fréquences de répétition des signaux balaient de façon monotonique, en relation cohérente, les bandes limitées à une octave de façon que le spectre de la séquence air une énergie substantiellement constante sur une plage de fréquence de beaucoup supérieure à une octave. La fonction d'autocorrélation de la séquence se caractérise par l'absence de lobes auxiliaires qui indiqueraient des fausses cibles ou produiraient un niveau élevé de bruit au cours du processus de production des signaux dans le circuit de recherche d'emplacement par écho, comme un système d'exploration géophysique, dans lequel les sismogrammes sont obtenus par corrélation croisée des signaux qui sont reçus en provenance des surfaces de réflexion géologique, avec la reproduction, mémorisée, des signaux transmis. Les signaux peuvent être fournis par un certain nombre de sources qui fonctionnent toutes pendant l'intervalle de transmission, permettant ainsi la transmission d'une énergie accrue dans le milieu (c'est-à-dire la puissance du signal sismique envoyé dans le sol).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/828,698 US4188610A (en) | 1977-08-29 | 1977-08-29 | Method of and apparatus for the generation and transmission of signals for echolocation and other signalling purposes, such as in geophysical exploration |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2402258A1 true FR2402258A1 (fr) | 1979-03-30 |
FR2402258B1 FR2402258B1 (fr) | 1984-08-17 |
Family
ID=25252508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7824953A Granted FR2402258A1 (fr) | 1977-08-29 | 1978-08-29 | Methode et appareil pour la production et la transmission de signaux pour recherche d'emplacement par echo et autres fins de signalisation comme en exploration geophysique |
Country Status (12)
Country | Link |
---|---|
US (1) | US4188610A (fr) |
JP (1) | JPS5446101A (fr) |
CA (1) | CA1119707A (fr) |
DE (1) | DE2837641A1 (fr) |
DK (1) | DK345078A (fr) |
FR (1) | FR2402258A1 (fr) |
GB (1) | GB2003604B (fr) |
IT (1) | IT1098766B (fr) |
NL (1) | NL7808692A (fr) |
NO (1) | NO154477C (fr) |
SE (1) | SE7809058L (fr) |
ZA (1) | ZA784106B (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4204278A (en) * | 1978-07-03 | 1980-05-20 | Hydroacoustics Inc. | Methods and apparatus for the generation and transmission of signals for echo location and other signalling purposes, as in geophysical exploration |
US4458339A (en) * | 1980-10-06 | 1984-07-03 | Texas Instruments Incorporated | Seismic prospecting using a continuous shooting and continuous recording system |
JPS61228371A (ja) * | 1985-04-01 | 1986-10-11 | Unyusho Daiyon Kowan Kensetsu Kyokucho | 水中位置検出装置 |
US4715020A (en) * | 1986-10-29 | 1987-12-22 | Western Atlas International, Inc. | Simultaneous performance of multiple seismic vibratory surveys |
US4706224A (en) * | 1986-02-21 | 1987-11-10 | Amoco Corporation | Method of vertical seismic profiling and exploration |
US4758997A (en) * | 1986-08-25 | 1988-07-19 | Hydroacoustics Inc. | Method and apparatus for the generation and transmission of signals for echo location and other signaling purposes, particularly in geophysical exploration |
FR2765447B1 (fr) * | 1997-06-30 | 2002-12-06 | Thomson Marconi Sonar Sas | Antenne d'emission acoustique pour prospection sismique sous-marine |
US20020179364A1 (en) * | 2001-01-19 | 2002-12-05 | Baker Hughes Incorporated | Apparatus and methods for using a surface oscillator as a downhole seismic source |
US7525873B1 (en) * | 2004-07-23 | 2009-04-28 | Bf Corporation North America Inc. | Seismic inversion of conditioned amplitude spectra |
IT1404143B1 (it) * | 2010-11-26 | 2013-11-15 | Eni Spa | Apparato di generazione di onde in ambiente marino mediante pistoni impattanti e sistema di lancio a gas, idraulico, a vapore e elettromagnetico per l'acquisizione di dati sismici |
FR2981759B1 (fr) | 2011-10-19 | 2014-07-18 | Cggveritas Services Sa | Procede et dispositif pour determiner un signal de commande pour des sources marines vibrosismiques |
FR2981746B1 (fr) | 2011-10-19 | 2014-11-21 | Cggveritas Services Sa | Source et procede d'acquisition sismique marine |
FR2981758B1 (fr) | 2011-10-19 | 2013-12-06 | Cggveritas Services Sa | . |
US8619497B1 (en) | 2012-11-15 | 2013-12-31 | Cggveritas Services Sa | Device and method for continuous data acquisition |
US8724428B1 (en) | 2012-11-15 | 2014-05-13 | Cggveritas Services Sa | Process for separating data recorded during a continuous data acquisition seismic survey |
WO2016057823A1 (fr) * | 2014-10-08 | 2016-04-14 | MAD Apparel, Inc. | Procédé et système de mesure de paramètres de battement |
FR3059700A3 (fr) * | 2016-12-02 | 2018-06-08 | Al Khatib Habib Agissant Au Nom Et Pour Le Compte De La Soc Spotlight En Cours De Formation | Procede d’amelioration des systemes actifs ultralegers de detection sismique |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2808577A (en) * | 1955-06-27 | 1957-10-01 | Continental Oil Co | Method of and apparatus for determining the travel time of signals |
US3326320A (en) * | 1964-12-31 | 1967-06-20 | Pan American Petroleum Corp | Seismic surveying with an impulse pattern consisting of positive and negative impulses |
GB1112654A (en) * | 1964-07-13 | 1968-05-08 | Gen Dynamics Corp | Improvements in or relating to seismic surveying |
US4004267A (en) * | 1972-11-28 | 1977-01-18 | Geosource Inc. | Discrete frequency seismic exploration using non uniform frequency spectra |
US4037190A (en) * | 1975-09-29 | 1977-07-19 | Geophysical Systems Corporation | Method of vibratory seismic prospecting for minimum correlation noise |
US4047173A (en) * | 1976-06-24 | 1977-09-06 | Westinghouse Electric Corporation | FM pulse compression radar |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3182743A (en) | 1960-01-13 | 1965-05-11 | P R Rowe | Method of seismic exploration |
US3259878A (en) | 1960-12-02 | 1966-07-05 | Exxon Production Research Co | Method of controlling the seismic signal in exploration |
US3716823A (en) | 1960-12-15 | 1973-02-13 | Us Navy | Polychromatic sonar object identification system |
US3568142A (en) | 1967-01-16 | 1971-03-02 | Pan American Petroleum Corp | Multiple frequency surveying system |
US3714573A (en) | 1970-05-06 | 1973-01-30 | Hazeltine Corp | Spread-spectrum position monitoring system |
FR2123839A5 (fr) * | 1971-02-02 | 1972-09-15 | Aquitaine Petrole | |
US3890618A (en) | 1973-08-30 | 1975-06-17 | Us Navy | Bessel sequence echo-location system |
US3809876A (en) | 1973-08-31 | 1974-05-07 | Us Navy | Apparatus for the generation of bessel function signals |
FR2247734B1 (fr) * | 1973-10-15 | 1976-06-18 | Aquitaine Petrole | |
IT1021955B (it) | 1973-10-29 | 1978-02-20 | Texas Instruments Inc | Perfezionamento nei sistemi di acquisizione di dati sismici per prospezioni geofisiche |
NL7403957A (en) | 1974-03-22 | 1975-09-24 | Shape Technical Centre | Spread spectrum communication using multiple transmission and access - imparts additional modulating signal to carrier at sender producing sub carrier and code |
DE2453479A1 (de) * | 1974-11-12 | 1976-05-13 | Texaco Ag | Verfahren zur betreibung von vibratoren zur erzeugung seismischer signale |
US4037195A (en) * | 1976-01-26 | 1977-07-19 | Rca Corporation | Vehicular signal light control system |
US4037157A (en) | 1976-04-05 | 1977-07-19 | The United States Of America As Represented By The Secretary Of The Interior | Electro-optical speed transducer |
US4147228A (en) * | 1976-10-07 | 1979-04-03 | Hydroacoustics Inc. | Methods and apparatus for the generation and transmission of seismic signals |
-
1977
- 1977-08-29 US US05/828,698 patent/US4188610A/en not_active Expired - Lifetime
-
1978
- 1978-07-19 ZA ZA00784106A patent/ZA784106B/xx unknown
- 1978-08-03 DK DK345078A patent/DK345078A/da not_active Application Discontinuation
- 1978-08-09 CA CA000308999A patent/CA1119707A/fr not_active Expired
- 1978-08-23 GB GB7834370A patent/GB2003604B/en not_active Expired
- 1978-08-23 NO NO782871A patent/NO154477C/no unknown
- 1978-08-23 NL NL7808692A patent/NL7808692A/xx not_active Application Discontinuation
- 1978-08-28 SE SE7809058A patent/SE7809058L/xx unknown
- 1978-08-29 JP JP10542178A patent/JPS5446101A/ja active Granted
- 1978-08-29 IT IT27119/78A patent/IT1098766B/it active
- 1978-08-29 DE DE19782837641 patent/DE2837641A1/de active Granted
- 1978-08-29 FR FR7824953A patent/FR2402258A1/fr active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2808577A (en) * | 1955-06-27 | 1957-10-01 | Continental Oil Co | Method of and apparatus for determining the travel time of signals |
GB1112654A (en) * | 1964-07-13 | 1968-05-08 | Gen Dynamics Corp | Improvements in or relating to seismic surveying |
US3326320A (en) * | 1964-12-31 | 1967-06-20 | Pan American Petroleum Corp | Seismic surveying with an impulse pattern consisting of positive and negative impulses |
US4004267A (en) * | 1972-11-28 | 1977-01-18 | Geosource Inc. | Discrete frequency seismic exploration using non uniform frequency spectra |
US4037190A (en) * | 1975-09-29 | 1977-07-19 | Geophysical Systems Corporation | Method of vibratory seismic prospecting for minimum correlation noise |
US4047173A (en) * | 1976-06-24 | 1977-09-06 | Westinghouse Electric Corporation | FM pulse compression radar |
Also Published As
Publication number | Publication date |
---|---|
JPS5446101A (en) | 1979-04-11 |
NO154477C (no) | 1986-10-08 |
NL7808692A (nl) | 1979-03-02 |
DE2837641C2 (fr) | 1992-01-09 |
GB2003604A (en) | 1979-03-14 |
DE2837641A1 (de) | 1979-03-22 |
ZA784106B (en) | 1979-06-27 |
IT7827119A0 (it) | 1978-08-29 |
GB2003604B (en) | 1982-03-10 |
FR2402258B1 (fr) | 1984-08-17 |
NO154477B (no) | 1986-06-16 |
JPH0226193B2 (fr) | 1990-06-07 |
IT1098766B (it) | 1985-09-18 |
DK345078A (da) | 1979-04-10 |
SE7809058L (sv) | 1979-03-01 |
US4188610A (en) | 1980-02-12 |
CA1119707A (fr) | 1982-03-09 |
NO782871L (no) | 1979-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |