FR2713869B1 - Transducteur électro-acoustique à transformateur mécanique d'impédance. - Google Patents

Transducteur électro-acoustique à transformateur mécanique d'impédance.

Info

Publication number
FR2713869B1
FR2713869B1 FR9314966A FR9314966A FR2713869B1 FR 2713869 B1 FR2713869 B1 FR 2713869B1 FR 9314966 A FR9314966 A FR 9314966A FR 9314966 A FR9314966 A FR 9314966A FR 2713869 B1 FR2713869 B1 FR 2713869B1
Authority
FR
France
Prior art keywords
electro
acoustic transducer
impedance transformer
mechanical impedance
mechanical
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.)
Expired - Fee Related
Application number
FR9314966A
Other languages
English (en)
Other versions
FR2713869A1 (fr
Inventor
Tierce Pascal
Laurent Jean
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.)
IFP Energies Nouvelles IFPEN
CGG SA
Original Assignee
IFP Energies Nouvelles IFPEN
Compagnie Generale de Geophysique SA
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 IFP Energies Nouvelles IFPEN, Compagnie Generale de Geophysique SA filed Critical IFP Energies Nouvelles IFPEN
Priority to FR9314966A priority Critical patent/FR2713869B1/fr
Priority to GB9514940A priority patent/GB2289824B/en
Priority to JP51600595A priority patent/JP3487602B2/ja
Priority to US08/505,163 priority patent/US5635685A/en
Priority to PCT/FR1994/001436 priority patent/WO1995016211A1/fr
Publication of FR2713869A1 publication Critical patent/FR2713869A1/fr
Priority to NO953129A priority patent/NO310002B1/no
Application granted granted Critical
Publication of FR2713869B1 publication Critical patent/FR2713869B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
    • G01V1/52—Structural details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/911—Particular well-logging apparatus
    • Y10S367/912—Particular transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Signal Processing (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR9314966A 1993-12-10 1993-12-10 Transducteur électro-acoustique à transformateur mécanique d'impédance. Expired - Fee Related FR2713869B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR9314966A FR2713869B1 (fr) 1993-12-10 1993-12-10 Transducteur électro-acoustique à transformateur mécanique d'impédance.
GB9514940A GB2289824B (en) 1993-12-10 1994-12-09 Electro-acoustic transducer with mechanical impedance transformer
JP51600595A JP3487602B2 (ja) 1993-12-10 1994-12-09 機械的インピーダンス変成器を有する電気音響変換器
US08/505,163 US5635685A (en) 1993-12-10 1994-12-09 Electroacoustic transducer with mechanical impedance transformer
PCT/FR1994/001436 WO1995016211A1 (fr) 1993-12-10 1994-12-09 Transducteur electro-acoustique a transformateur mecanique d'impedance
NO953129A NO310002B1 (no) 1993-12-10 1995-08-09 Elektroakustisk transduser med omformer for akustisk impedans i form av et resonanskammer som forsterker for lave frekvenser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9314966A FR2713869B1 (fr) 1993-12-10 1993-12-10 Transducteur électro-acoustique à transformateur mécanique d'impédance.

Publications (2)

Publication Number Publication Date
FR2713869A1 FR2713869A1 (fr) 1995-06-16
FR2713869B1 true FR2713869B1 (fr) 1996-01-26

Family

ID=9453883

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9314966A Expired - Fee Related FR2713869B1 (fr) 1993-12-10 1993-12-10 Transducteur électro-acoustique à transformateur mécanique d'impédance.

Country Status (6)

Country Link
US (1) US5635685A (fr)
JP (1) JP3487602B2 (fr)
FR (1) FR2713869B1 (fr)
GB (1) GB2289824B (fr)
NO (1) NO310002B1 (fr)
WO (1) WO1995016211A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9805949A (pt) * 1997-03-17 1999-08-31 Yamamoto Engineering Corp Dispositivo e método para transmissão de onda acústica no subsolo, para recebimento de onda acústica, e método de exploracão de subsolo usando o dispositivo acima mencionado.
RU2134436C1 (ru) * 1998-10-06 1999-08-10 Закрытое акционерное общество "ИНЕФ" Пьезопреобразователь
US7823689B2 (en) * 2001-07-27 2010-11-02 Baker Hughes Incorporated Closed-loop downhole resonant source
DE10150636C2 (de) * 2001-10-12 2003-08-21 Diehl Munitionssysteme Gmbh Hochspannungs-Generator, insbesondere zum Einsatz als Störfrequenz-Generator
US6834743B2 (en) * 2001-12-07 2004-12-28 Haliburton Energy Services, Inc. Wideband isolator for acoustic tools
US20060018190A1 (en) * 2004-07-21 2006-01-26 Schlumberger Technology Corporation Tool for Measuring Perforation Tunnel Depth
US7464588B2 (en) * 2005-10-14 2008-12-16 Baker Hughes Incorporated Apparatus and method for detecting fluid entering a wellbore
US8077053B2 (en) * 2006-03-31 2011-12-13 Chevron U.S.A. Inc. Method and apparatus for sensing a borehole characteristic
US7864629B2 (en) * 2007-11-20 2011-01-04 Precision Energy Services, Inc. Monopole acoustic transmitter comprising a plurality of piezoelectric discs
EP2534332B1 (fr) * 2010-02-12 2016-09-28 Rexonic Ultrasonics AG Système et procédé pour traiter ultrasoniquement des liquides dans des puits et utilisation correspondante du système
RU2744717C1 (ru) * 2020-01-20 2021-03-15 Сергей Александрович Турко Акустический скважинный излучатель

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205970A (en) * 1958-12-29 1965-09-14 Texaco Inc Acoustical well logging tool
US4674067A (en) * 1986-01-10 1987-06-16 Mobil Oil Corporation Method and apparatus for generating low frequency acoustic energy waves
FR2618910B1 (fr) * 1987-07-28 1989-10-27 Inst Francais Du Petrole Methode et dispositif pour ameliorer le coefficient de transmission aux formations geologiques de l'energie creee par une source sismique de puits
US5115880A (en) * 1989-05-08 1992-05-26 Halliburton Geophysical Services Piezoelectric seismic vibrator with hydraulic amplifier
US5069308A (en) * 1990-11-13 1991-12-03 The Board Of Trustees Of The Leland Stanford Junior University Low impedance down-hole acoustic source for well logging
FR2671297A1 (fr) * 1991-01-09 1992-07-10 Inst Francais Du Petrole Source vibrante electro-hydraulique de puits.
US5109946A (en) 1991-04-11 1992-05-05 Omnitech Services Inc. Apparatus for pack-off locking of seismic energy source
US5229554A (en) * 1991-12-31 1993-07-20 Conoco Inc. Downhole electro-hydraulic vertical shear wave seismic source
US5239514A (en) * 1992-10-09 1993-08-24 Exxon Production Research Company Narrow band magnetostrictive acoustic source

Also Published As

Publication number Publication date
WO1995016211A1 (fr) 1995-06-15
GB2289824A (en) 1995-11-29
FR2713869A1 (fr) 1995-06-16
NO953129D0 (no) 1995-08-09
JPH08510556A (ja) 1996-11-05
JP3487602B2 (ja) 2004-01-19
GB2289824B (en) 1997-08-06
NO310002B1 (no) 2001-04-30
NO953129L (no) 1995-10-09
US5635685A (en) 1997-06-03
GB9514940D0 (en) 1995-10-04

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse