FR2308112A1 - Implosion generator producing acoustic impulse - using main and branch liq. jets driven by magnetic field at high speed producing hollow space - Google Patents

Implosion generator producing acoustic impulse - using main and branch liq. jets driven by magnetic field at high speed producing hollow space

Info

Publication number
FR2308112A1
FR2308112A1 FR7512221A FR7512221A FR2308112A1 FR 2308112 A1 FR2308112 A1 FR 2308112A1 FR 7512221 A FR7512221 A FR 7512221A FR 7512221 A FR7512221 A FR 7512221A FR 2308112 A1 FR2308112 A1 FR 2308112A1
Authority
FR
France
Prior art keywords
branch
main
implosion
magnetic field
jets
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
Application number
FR7512221A
Other languages
French (fr)
Other versions
FR2308112B1 (en
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/en
Priority to BR7602346A priority patent/BR7602346A/en
Priority to CA250,412A priority patent/CA1070819A/en
Priority to GB1572776A priority patent/GB1538279A/en
Priority to SU762345908A priority patent/SU858580A3/en
Priority to DE19762616959 priority patent/DE2616959C2/en
Priority to JP51043761A priority patent/JPS51139318A/en
Publication of FR2308112A1 publication Critical patent/FR2308112A1/en
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)

Abstract

The implosion generator produces an acoustic impulse. The generator produces a main liquid jet which is introduced at very high speed along a pre-determined trajectory into a liquid body. The liquid jet is driven by a magnetic field which is practically stopped for a brief moment. The speed selected is sufficiently high to produce a hollow space with subsequently an implosion being produced. The main liquid jet is subdivided into at least two branch liquid jets with the branch jets being diverted into a plane about vertical to the trajectory of the main jet. The branch liquid jets are offset in relation to each other by about 90 degrees.
FR7512221A 1975-04-18 1975-04-18 Implosion generator producing acoustic impulse - using main and branch liq. jets driven by magnetic field at high speed producing hollow space Granted FR2308112A1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7512221A FR2308112A1 (en) 1975-04-18 1975-04-18 Implosion generator producing acoustic impulse - using main and branch liq. jets driven by magnetic field at high speed producing hollow space
BR7602346A BR7602346A (en) 1975-04-18 1976-04-14 PROCESS TO GENERATE AN ACOUSTIC IMPULSE, GENERATOR OF AN ACOUSTIC IMPULSE IN LIQUID MASS AND SEA SYSTEMATIC EXPLORATION PROCESS
GB1572776A GB1538279A (en) 1975-04-18 1976-04-15 Generator for producing acoustic impulses
CA250,412A CA1070819A (en) 1975-04-18 1976-04-15 Implosion acoustic impulse generator
SU762345908A SU858580A3 (en) 1975-04-18 1976-04-16 Device for generating acoustic impulses in liquid medium
DE19762616959 DE2616959C2 (en) 1975-04-18 1976-04-17 Generator for generating acoustic impulses through implosions
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 (en) 1975-04-18 1975-04-18 Implosion generator producing acoustic impulse - using main and branch liq. jets driven by magnetic field at high speed producing hollow space

Publications (2)

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

Family

ID=9154189

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7512221A Granted FR2308112A1 (en) 1975-04-18 1975-04-18 Implosion generator producing acoustic impulse - using main and branch liq. jets driven by magnetic field at high speed producing hollow space

Country Status (1)

Country Link
FR (1) FR2308112A1 (en)

Cited By (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
FR2481382A1 (en) * 1980-04-28 1981-10-30 Pascouet Adrien APPARATUS FOR PROJECTING LIQUID PLUGS
FR2535469A1 (en) * 1982-10-28 1984-05-04 Geophysique Cie Gle Method for creating a shock wave under the surface of a sheet of water from a number of implosive seismic sources and apparatus for implementing the method
FR2553899A1 (en) * 1983-10-21 1985-04-26 Seismograph Service England METHOD FOR MODIFYING THE SPECTRAL DENSITY OF ENERGY OF THE RADIATION WAVEFIELD OF AN IMPLOSIVE MARINE SOURCE
FR2566135A1 (en) * 1984-06-18 1985-12-20 Inst Francais Du Petrole METHOD FOR OPTIMIZING THE FREQUENCY SPECTRUM OF IMPULSES EMITTED BY SEISMIC SOURCES OF IMPLOSION
US4594697A (en) * 1983-05-25 1986-06-10 Pascouet Adrien P Pneumatically-operated liquid slug projector apparatus
US4632214A (en) * 1980-03-13 1986-12-30 Hydroacoustics Seismic source for use underwater

Cited By (11)

* 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
WO1979000325A1 (en) * 1977-11-30 1979-06-14 Hydroacoustic 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
FR2481382A1 (en) * 1980-04-28 1981-10-30 Pascouet Adrien APPARATUS FOR PROJECTING LIQUID PLUGS
FR2535469A1 (en) * 1982-10-28 1984-05-04 Geophysique Cie Gle Method for creating a shock wave under the surface of a sheet of water from a number of implosive seismic sources and apparatus for implementing the method
US4594697A (en) * 1983-05-25 1986-06-10 Pascouet Adrien P Pneumatically-operated liquid slug projector apparatus
FR2553899A1 (en) * 1983-10-21 1985-04-26 Seismograph Service England METHOD FOR MODIFYING THE SPECTRAL DENSITY OF ENERGY OF THE RADIATION WAVEFIELD OF AN IMPLOSIVE MARINE SOURCE
FR2566135A1 (en) * 1984-06-18 1985-12-20 Inst Francais Du Petrole METHOD FOR OPTIMIZING THE FREQUENCY SPECTRUM OF IMPULSES EMITTED BY SEISMIC SOURCES OF IMPLOSION
EP0167438A1 (en) * 1984-06-18 1986-01-08 Institut Français du Pétrole Method for optimizing the pulse frequency spectrum emitted by an emission apparatus consisting of several seismic implosion sources

Also Published As

Publication number Publication date
FR2308112B1 (en) 1977-11-10

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Legal Events

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