FR2169836B1 - - Google Patents

Info

Publication number
FR2169836B1
FR2169836B1 FR7245457A FR7245457A FR2169836B1 FR 2169836 B1 FR2169836 B1 FR 2169836B1 FR 7245457 A FR7245457 A FR 7245457A FR 7245457 A FR7245457 A FR 7245457A FR 2169836 B1 FR2169836 B1 FR 2169836B1
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
FR7245457A
Other versions
FR2169836A1 (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.)
GEOPHYSICAL SURVEY SYST
Original Assignee
GEOPHYSICAL SURVEY SYST
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 GEOPHYSICAL SURVEY SYST filed Critical GEOPHYSICAL SURVEY SYST
Publication of FR2169836A1 publication Critical patent/FR2169836A1/fr
Application granted granted Critical
Publication of FR2169836B1 publication Critical patent/FR2169836B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/005—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements for radiating non-sinusoidal waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
FR7245457A 1972-01-03 1972-12-20 Expired FR2169836B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00214933A US3806795A (en) 1972-01-03 1972-01-03 Geophysical surveying system employing electromagnetic impulses

Publications (2)

Publication Number Publication Date
FR2169836A1 FR2169836A1 (fr) 1973-09-14
FR2169836B1 true FR2169836B1 (fr) 1975-04-25

Family

ID=22800970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7245457A Expired FR2169836B1 (fr) 1972-01-03 1972-12-20

Country Status (10)

Country Link
US (1) US3806795A (fr)
JP (1) JPS5544916B2 (fr)
AU (1) AU5317573A (fr)
BR (1) BR7209234D0 (fr)
CA (1) CA962330A (fr)
DE (1) DE2264037A1 (fr)
FR (1) FR2169836B1 (fr)
GB (1) GB1417722A (fr)
IL (1) IL41056A (fr)
IT (1) IT973244B (fr)

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US4937580A (en) * 1988-05-19 1990-06-26 Trustees Of Dartmouth College Geophysical radar apparatus and method
US5053778A (en) * 1989-08-10 1991-10-01 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Generation of topographic terrain models utilizing synthetic aperture radar and surface level data
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US5192952A (en) * 1991-06-11 1993-03-09 Johler J Ralph Method and apparatus for transmitting electromagnetic signals into the earth from a capacitor
US5280284A (en) * 1991-06-11 1994-01-18 Johler J Ralph Method of determining the electrical properties of the earth by processing electromagnetic signals propagated through the earth from a capacitor
US5457394A (en) * 1993-04-12 1995-10-10 The Regents Of The University Of California Impulse radar studfinder
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US5682164A (en) * 1994-09-06 1997-10-28 The Regents Of The University Of California Pulse homodyne field disturbance sensor
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US5966090A (en) * 1998-03-16 1999-10-12 Mcewan; Thomas E. Differential pulse radar motion sensor
US6060915A (en) * 1998-05-18 2000-05-09 Mcewan; Thomas E. Charge transfer wideband sample-hold circuit
GB9818875D0 (en) * 1998-08-28 1998-10-21 Norske Stats Oljeselskap Method and apparatus for determining the nature of subterranean reservoirs
US7346120B2 (en) 1998-12-11 2008-03-18 Freescale Semiconductor Inc. Method and system for performing distance measuring and direction finding using ultrawide bandwidth transmissions
US6351246B1 (en) 1999-05-03 2002-02-26 Xtremespectrum, Inc. Planar ultra wide band antenna with integrated electronics
GB9921042D0 (en) 1999-09-07 1999-11-10 Stove George C Radar apparatus for spectrometric analysis and a method of performing spectrometric analysis of a substance
GB0002422D0 (en) * 2000-02-02 2000-03-22 Norske Stats Oljeselskap Method and apparatus for determining the nature of subterranean reservoirs
US6834073B1 (en) 2000-05-26 2004-12-21 Freescale Semiconductor, Inc. System and method for baseband removal of narrowband interference in ultra wideband signals
WO2002013313A2 (fr) 2000-08-07 2002-02-14 Xtremespectrum, Inc. Dispositif et systeme d'antenne plane a largeur de bande ultra large, electriquement petite
PT1309887E (pt) * 2000-08-14 2004-08-31 Statoil Asa Metodo e aparelho para determinar a natureza de reservatorios subterraneos
US6918134B1 (en) 2000-09-27 2005-07-12 Rockwell Collins Data request method without using dedicated connections
US6845253B1 (en) * 2000-09-27 2005-01-18 Time Domain Corporation Electromagnetic antenna apparatus
US7006553B1 (en) 2000-10-10 2006-02-28 Freescale Semiconductor, Inc. Analog signal separator for UWB versus narrowband signals
AUPR187100A0 (en) * 2000-12-04 2001-01-04 Cea Technologies Inc. Slope monitoring system
US6677757B2 (en) * 2001-03-09 2004-01-13 Montason Group Limited, Bvi Method and apparatus for determination of electromagnetic properties of underground structure
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GB2383133A (en) * 2001-08-07 2003-06-18 Statoil Asa Investigation of subterranean reservoirs
US7342973B2 (en) * 2001-09-26 2008-03-11 General Atomics Method and apparatus for adapting multi-band ultra-wideband signaling to interference sources
US7236464B2 (en) * 2001-09-26 2007-06-26 General Atomics Flexible method and apparatus for encoding and decoding signals using a time division multiple frequency scheme
US7321601B2 (en) * 2001-09-26 2008-01-22 General Atomics Method and apparatus for data transfer using a time division multiple frequency scheme supplemented with polarity modulation
JP3974577B2 (ja) * 2001-09-26 2007-09-12 ジェネラル アトミックス 時分割多重周波数方式を使用したデータ転送のための方法および装置
US7609608B2 (en) * 2001-09-26 2009-10-27 General Atomics Method and apparatus for data transfer using a time division multiple frequency scheme with additional modulation
US6529006B1 (en) * 2001-10-31 2003-03-04 Paul Hayes Method and apparatus for resolving the position and identity of buried conductive bodies
GB2382875B (en) * 2001-12-07 2004-03-03 Univ Southampton Electromagnetic surveying for hydrocarbon reservoirs
US20070121423A1 (en) * 2001-12-20 2007-05-31 Daniel Rioux Head-mounted display apparatus for profiling system
CA2366030A1 (fr) * 2001-12-20 2003-06-20 Global E Bang Inc. Systeme de profilage
JP4335809B2 (ja) * 2002-02-20 2009-09-30 ジェネラル アトミックス 追加変調を備える時分割多重周波数方式を使用するデータ転送のための方法および装置
GB2385923B (en) * 2002-05-24 2004-07-28 Statoil Asa System and method for electromagnetic wavefield resolution
GB2399640B (en) 2003-03-17 2007-02-21 Statoil Asa Method and apparatus for determining the nature of submarine reservoirs
US7095357B1 (en) * 2003-05-14 2006-08-22 Joseph Ralph Johler Method and apparatus for transmitting electromagnetic signals into the earth at frequencies below 500 KHz from a capacitor emplaced on the surface of the earth or raised aloft in an aircraft
GB2409900B (en) 2004-01-09 2006-05-24 Statoil Asa Processing seismic data representing a physical system
US7506547B2 (en) * 2004-01-26 2009-03-24 Jesmonth Richard E System and method for generating three-dimensional density-based defect map
GB2420855B (en) 2004-12-02 2009-08-26 Electromagnetic Geoservices As Source for electromagnetic surveying
GB2422673B (en) * 2005-02-01 2010-03-24 Electromagnetic Geoservices As Optimum signal for sea bed logging
DE102006002666A1 (de) * 2006-01-19 2007-07-26 Robert Bosch Gmbh Messgerät
US20090045808A1 (en) * 2006-01-29 2009-02-19 Eli Mano System for testing concealed conduits
US8098707B2 (en) * 2006-01-31 2012-01-17 Regents Of The University Of Minnesota Ultra wideband receiver
US20070196621A1 (en) * 2006-02-02 2007-08-23 Arnold Frances Sprayable micropulp composition
GB2434868B (en) 2006-02-06 2010-05-12 Statoil Asa Method of conducting a seismic survey
GB2435693A (en) * 2006-02-09 2007-09-05 Electromagnetic Geoservices As Seabed electromagnetic surveying
GB2439378B (en) * 2006-06-09 2011-03-16 Electromagnetic Geoservices As Instrument for measuring electromagnetic signals
GB2442749B (en) 2006-10-12 2010-05-19 Electromagnetic Geoservices As Positioning system
GB2445582A (en) 2007-01-09 2008-07-16 Statoil Asa Method for analysing data from an electromagnetic survey
WO2010011402A2 (fr) * 2008-05-20 2010-01-28 Oxane Materials, Inc. Procédé de fabrication et d’utilisation d’un agent fonctionnel de soutènement de fissures pour déterminer des géométries de fracture souterraines
US8581772B2 (en) * 2010-06-04 2013-11-12 Brigham Young University Method, apparatus, and system to remotely acquire information from volumes in a snowpack
CA2868602A1 (fr) * 2012-04-05 2013-10-10 Geosonde Pty Ltd Radar a courte portee pour trou de forage
WO2014056094A1 (fr) 2012-10-12 2014-04-17 Fugro Canada Corp. Système électromagnétique (em) utilisant de multiples formes d'ondes d'émetteur d'impulsion
US10634809B2 (en) 2017-10-25 2020-04-28 Saudi Arabian Oil Company Water crest monitoring using electromagnetic transmissions
WO2019084694A1 (fr) 2017-11-06 2019-05-09 Auscultech Inc. Système, électrode et procédé d'évaluation d'une condition de renforts en acier dans le béton

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US2077707A (en) * 1933-08-01 1937-04-20 Melton Benjamin Starr Electromagnetic prospecting method
FR833239A (fr) * 1938-06-08 1938-10-17 Ind Radioelectriques Sa Des Perfectionnements aux antennes de t. s. f.
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US3286163A (en) * 1963-01-23 1966-11-15 Chevron Res Method for mapping a salt dome at depth by measuring the travel time of electromagnetic energy emitted from a borehole drilled within the salt dome
DE1698481B1 (de) * 1963-02-18 1969-09-04 Claus Colani Vorrichtung zur Untersuchung eines relativ homogenen,gegebenenfalls eine gewisse elektrische Leitfaehigkeit aufweisenden Mediums
US3434049A (en) * 1965-12-06 1969-03-18 Tektronix Inc Time domain reflectometry system having a current source for locating discontinuities in a transmission line
FR1529584A (fr) * 1966-10-27 1968-06-21 Inst Francais Du Petrole Procédé et appareillage pour détecter et localiser les discontinuités de résistivité électrique dans le sous-sol
US3538430A (en) * 1967-05-18 1970-11-03 Jury Ivanovich Bulgakov Device for detecting ore bodies by measuring unstable electromagnetic fields excited by magnetic field pulses
US3600674A (en) * 1969-04-02 1971-08-17 Chevron Res Method of determining leaks from buried pipelines using a time-sharing transmission line

Also Published As

Publication number Publication date
US3806795A (en) 1974-04-23
FR2169836A1 (fr) 1973-09-14
DE2264037A1 (de) 1973-07-19
AU5317573A (en) 1974-09-12
IT973244B (it) 1974-06-10
IL41056A (en) 1975-03-13
IL41056A0 (en) 1973-02-28
CA962330A (en) 1975-02-04
BR7209234D0 (pt) 1973-09-18
JPS4879101A (fr) 1973-10-24
GB1417722A (en) 1975-12-17
JPS5544916B2 (fr) 1980-11-14

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Legal Events

Date Code Title Description
ST Notification of lapse