FR2308112B1 - - Google Patents

Info

Publication number
FR2308112B1
FR2308112B1 FR7512221A FR7512221A FR2308112B1 FR 2308112 B1 FR2308112 B1 FR 2308112B1 FR 7512221 A FR7512221 A FR 7512221A FR 7512221 A FR7512221 A FR 7512221A FR 2308112 B1 FR2308112 B1 FR 2308112B1
Authority
FR
France
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.)
Expired
Application number
FR7512221A
Other languages
French (fr)
Other versions
FR2308112A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DAVIES CHADWICK
Original Assignee
DAVIES CHADWICK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DAVIES CHADWICK filed Critical DAVIES CHADWICK
Priority to FR7512221A priority Critical patent/FR2308112A1/fr
Priority to BR7602346A priority patent/BR7602346A/pt
Priority to GB1572776A priority patent/GB1538279A/en
Priority to CA250,412A priority patent/CA1070819A/en
Priority to SU762345908A priority patent/SU858580A3/ru
Priority to DE19762616959 priority patent/DE2616959C2/de
Priority to JP51043761A priority patent/JPS51139318A/ja
Publication of FR2308112A1 publication Critical patent/FR2308112A1/fr
Application granted granted Critical
Publication of FR2308112B1 publication Critical patent/FR2308112B1/fr
Priority to US05/857,146 priority patent/US4185714A/en
Granted legal-status Critical Current

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
    • G01V1/02—Generating seismic energy
    • G01V1/133—Generating seismic energy using fluidic driving means, e.g. highly pressurised fluids; using implosion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C1/00—Circuit elements having no moving parts
    • F15C1/22—Oscillators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
    • G01V1/387—Reducing secondary bubble pulse, i.e. reducing the detected signals resulting from the generation and release of gas bubbles after the primary explosion

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Geophysics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Oceanography (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
FR7512221A 1975-04-18 1975-04-18 Dispositif perfectionne pour creer (par implosion) une onde de choc au sein d'un liquide, destine notamment a l'etude sismique du sous-sol subaquatique Granted FR2308112A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7512221A FR2308112A1 (fr) 1975-04-18 1975-04-18 Dispositif perfectionne pour creer (par implosion) une onde de choc au sein d'un liquide, destine notamment a l'etude sismique du sous-sol subaquatique
BR7602346A BR7602346A (pt) 1975-04-18 1976-04-14 Processo para gerar um impulso acustico,gerador de um impulso acustico em massa liquida e processo de exploracao sismica maritima
CA250,412A CA1070819A (en) 1975-04-18 1976-04-15 Implosion acoustic impulse generator
GB1572776A GB1538279A (en) 1975-04-18 1976-04-15 Generator for producing acoustic impulses
SU762345908A SU858580A3 (ru) 1975-04-18 1976-04-16 Устройство дл генерировани акустических импульсов в жидкой среде
DE19762616959 DE2616959C2 (de) 1975-04-18 1976-04-17 Generator zur Erzeugung akustischer Impulse durch Implosionen
JP51043761A JPS51139318A (en) 1975-04-18 1976-04-19 Inner plosive acoustic shock generator
US05/857,146 US4185714A (en) 1975-04-18 1977-12-05 Implosive acoustic generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7512221A FR2308112A1 (fr) 1975-04-18 1975-04-18 Dispositif perfectionne pour creer (par implosion) une onde de choc au sein d'un liquide, destine notamment a l'etude sismique du sous-sol subaquatique

Publications (2)

Publication Number Publication Date
FR2308112A1 FR2308112A1 (fr) 1976-11-12
FR2308112B1 true FR2308112B1 (enExample) 1977-11-10

Family

ID=9154189

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7512221A Granted FR2308112A1 (fr) 1975-04-18 1975-04-18 Dispositif perfectionne pour creer (par implosion) une onde de choc au sein d'un liquide, destine notamment a l'etude sismique du sous-sol subaquatique

Country Status (1)

Country Link
FR (1) FR2308112A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131178A (en) * 1977-11-30 1978-12-26 Hydroacoustics, Inc. Seismic source for use under water
US4234052A (en) * 1978-11-13 1980-11-18 Bolt Associates, Inc. Method and apparatus for generating seismic impulses using high pressure water pump as the energizing source
US4303141A (en) * 1979-01-26 1981-12-01 Pascouet Adrien P Liquid slug projector apparatus
US4632214A (en) * 1980-03-13 1986-12-30 Hydroacoustics Seismic source for use underwater
FR2535469B1 (fr) * 1982-10-28 1985-06-21 Geophysique Cie Gle Procede pour creer sous la surface d'une nappe d'eau une onde de choc a partir d'une pluralite de sources sismiques a implosion, et appareillage pour sa mise en oeuvre
US4594697A (en) * 1983-05-25 1986-06-10 Pascouet Adrien P Pneumatically-operated liquid slug projector apparatus
GB2148503B (en) * 1983-10-21 1987-11-18 Siesmograph Service Underwater seismic sources
FR2566135B1 (fr) * 1984-06-18 1987-05-15 Inst Francais Du Petrole Procede pour optimiser le spectre de frequence des impulsions emises par des sources sismiques a implosion

Also Published As

Publication number Publication date
FR2308112A1 (fr) 1976-11-12

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Legal Events

Date Code Title Description
ST Notification of lapse