NL108195C - - Google Patents

Info

Publication number
NL108195C
NL108195C NL108195DA NL108195C NL 108195 C NL108195 C NL 108195C NL 108195D A NL108195D A NL 108195DA NL 108195 C NL108195 C NL 108195C
Authority
NL
Netherlands
Application number
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.)
Publication of NL108195C publication Critical patent/NL108195C/xx

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
    • G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/36—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
    • G01V1/364—Seismic filtering
    • G01V1/366—Seismic filtering by correlation of seismic signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/36—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
    • G01V1/37—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy specially adapted for seismic systems using continuous agitation of the ground, e.g. using pulse compression of frequency swept signals for enhancement of received signals
    • G01V1/375—Correlating received seismic signals with the emitted source signal
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/06—Apparatus for measuring unknown time intervals by electric means by measuring phase
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
    • G06G7/1914—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions using a magnetic medium, a linear filter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/30—Noise handling
    • G01V2210/32—Noise reduction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
NL108195D 1953-02-27 NL108195C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US339374A US2688124A (en) 1953-02-27 1953-02-27 Method of and apparatus for determining travel time of signals

Publications (1)

Publication Number Publication Date
NL108195C true NL108195C (xx)

Family

ID=23328722

Family Applications (1)

Application Number Title Priority Date Filing Date
NL108195D NL108195C (xx) 1953-02-27

Country Status (4)

Country Link
US (1) US2688124A (xx)
CA (1) CA573546A (xx)
IT (1) IT525271A (xx)
NL (1) NL108195C (xx)

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US2998593A (en) * 1958-04-03 1961-08-29 Jersey Prod Res Co Apparatus for interpreting geophysical data
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US3011713A (en) * 1958-06-30 1961-12-05 Gen Motors Corp Cross-correlator
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US3127508A (en) * 1959-05-11 1964-03-31 Continental Oil Co Method of determining time-phase coincidence between signals
US3152658A (en) * 1959-06-01 1964-10-13 Continental Oil Co Method of generating seismic patterns
US3154778A (en) * 1959-07-31 1964-10-27 Bendix Corp Method and apparatus for obtaining directional locating and detecting characteristics with reduced antenna size
US3108249A (en) * 1959-10-22 1963-10-22 Alvin H Clement Correlation by random time reference utilization
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US3216523A (en) * 1960-09-08 1965-11-09 Phillips Petroleum Co Seismic prospecting
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US3259878A (en) * 1960-12-02 1966-07-05 Exxon Production Research Co Method of controlling the seismic signal in exploration
US3221297A (en) * 1960-12-02 1965-11-30 Exxon Production Research Co System for obtaining a composite seismic signal by generating a number of discrete single frequency seismic waveforms and recording individually the detected reflections
DE1237342B (de) * 1961-01-31 1967-03-23 Continental Oil Co Verfahren und Einrichtung zur seismischen Forschung
US3158830A (en) * 1961-04-04 1964-11-24 Jr Clarence S Clay Signal correlation method and means
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US3982114A (en) * 1961-08-28 1976-09-21 Trw Inc. Signal processing system
US3281773A (en) * 1962-01-23 1966-10-25 Seismograph Service Corp Methods and apparatus using a single downhole detector for making seismic velocity measurements
US3208547A (en) * 1962-03-29 1965-09-28 Exxon Production Research Co Seismic prospecting
US3199106A (en) * 1962-04-02 1965-08-03 Thompson Ramo Wooldridge Inc Time distortion tolerant signalling system
US3366781A (en) * 1962-08-17 1968-01-30 Exxon Production Research Co Processing seismic data by optical scanning
US3228232A (en) * 1962-08-23 1966-01-11 American Mach & Foundry Ultrasonic inspection device
US3295362A (en) * 1963-07-15 1967-01-03 American Mach & Foundry Method of and apparatus for ultrasonic inspection utilizing correlation techniques
US3300754A (en) * 1963-11-20 1967-01-24 Continental Oil Co Method for producing impedance logs using seismographic techniques
US3302746A (en) * 1964-03-04 1967-02-07 Ikrath Kurt Self-excited seismic systems
US3386525A (en) * 1965-06-18 1968-06-04 Pan American Petroleum Corp Seismic exploration control method
US3394343A (en) * 1966-03-10 1968-07-23 Lloyd M. Hammett Method for determining travel time of a signal in continuous-wave seismic prospecting
US3413596A (en) * 1966-12-08 1968-11-26 Texas Instruments Inc Continuous wave marine seismic exploration
US5459846A (en) * 1988-12-02 1995-10-17 Hyatt; Gilbert P. Computer architecture system having an imporved memory
US4686655A (en) * 1970-12-28 1987-08-11 Hyatt Gilbert P Filtering system for processing signature signals
US4944036A (en) * 1970-12-28 1990-07-24 Hyatt Gilbert P Signature filter system
US3739870A (en) * 1971-01-29 1973-06-19 Pelton Co Method and apparatus for remotely controlling a seismic vibrator and recording system
US5053983A (en) * 1971-04-19 1991-10-01 Hyatt Gilbert P Filter system having an adaptive control for updating filter samples
US3968471A (en) * 1972-01-17 1976-07-06 Western Geophysical Company Of America Method for suppressing side lobes in correlation processes
DE2404223C3 (de) * 1974-01-30 1979-03-22 Kabel- Und Metallwerke Gutehoffnungshuette Ag, 3000 Hannover Verfahren zur Messung der elektrischen Ladung von Teilentladungen und zur Ortung von Fehlerstellen in der Isolierung von isolierten Leitern
CA1063729A (en) * 1976-06-01 1979-10-02 James W. Smith Field correlator
US4592031A (en) * 1979-06-04 1986-05-27 Standard Oil Company (Indiana) Precorrelation filtering
US4561075A (en) * 1982-12-29 1985-12-24 Standard Oil Company Method and apparatus for selecting inverse power weighting prior to vertically stacking acquired seismic data for suppressing noise
US4639901A (en) * 1982-12-29 1987-01-27 Standard Oil Company Method for testing cableless seismic digital field recorders
US4561074A (en) * 1982-12-29 1985-12-24 Amoco Corporation Computationally efficient weighting and vertical stacking methods and apparatus for improving signal-to-noise ratio of seismic data
US4601022A (en) * 1983-08-23 1986-07-15 Chevron Research Company Seismic exploration using non-impulsive vibratory sources activated by stationary, Gaussian codes, and processing the results in distortion-free final records particularly useful in urban areas
US4598391A (en) * 1983-08-23 1986-07-01 Chevron Research Company Seismic exploration using non-impulsive vibratory sources activated by stationary, Gaussian codes, detecting vibrations via receivers within a wellbore and processing the results into distortion-free final records
US4607353A (en) * 1983-08-23 1986-08-19 Chevron Research Company Seismic exploration using non-impulsive vibratory sources activated by stationary, Gaussian codes to simulate an impulsive, causal generating, recording and pre-processing system and processing the results into distortion-free final records
US4768174A (en) * 1986-09-29 1988-08-30 Chevron Research Company Method for generating and collecting random vibratory seismic data wherein a pre-specified wavelet of minimum side lobe content is always produced in the final correlations by maintaining domain consistency
US4882713A (en) * 1988-09-06 1989-11-21 Exxon Production Research Company Method for noise suppression in the stacking of seismic traces
US4905204A (en) * 1988-09-06 1990-02-27 Exxon Production Research Company Method of weighting a trace stack from a plurality of input traces
US4933911A (en) * 1989-09-01 1990-06-12 Amoco Corporation Method for determining seismic velocities
US5205173A (en) * 1991-06-21 1993-04-27 Palmer Environmental Services Method and apparatus for detecting leaks in pipelines using cross-correlation techniques
US5545858A (en) * 1992-06-19 1996-08-13 Sansone; Stanley A. Method for processing and interpreting wide band FM seismic signals
US5901112A (en) * 1994-04-11 1999-05-04 Walker; David A. Signal energy enhancement for seismic exploration
US5901113A (en) * 1996-03-12 1999-05-04 Schlumberger Technology Corporation Inverse vertical seismic profiling using a measurement while drilling tool as a seismic source
FR2818754B1 (fr) * 2000-12-21 2004-06-18 Inst Francais Du Petrole Dispositif pour engendrer des ondes elastiques focalisees dans un milieu materiel tel que le sous-sol, et methode pour sa mise en oeuvre
FR2836723B1 (fr) 2002-03-01 2004-09-03 Inst Francais Du Petrole Methode et dispositif de prospection sismique par emission simultanee de signaux sismiques a base de sequences pseudo aleatoires
US8116994B2 (en) * 2008-11-23 2012-02-14 Parker David H Method for locating an underground septic tank, conduit, or the like using injection/detection synchronization of an acoustic signal and digital signal processing
EP2603817A1 (en) * 2010-08-11 2013-06-19 ConocoPhillips Company Constant holddown weight for vibratory seismic sources
US9507039B2 (en) 2010-12-13 2016-11-29 Schlumberger Technology Corporation Seismic source, system, and method
US10020895B2 (en) 2011-06-22 2018-07-10 David H. Parker Methods and apparatus for emergency mine communications using acoustic waves, time synchronization, and digital signal processing

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2634398A (en) * 1950-11-24 1953-04-07 Phillips Petroleum Co Method of eliminating an undesired component of seismic waves

Also Published As

Publication number Publication date
IT525271A (xx)
US2688124A (en) 1954-08-31
CA573546A (en) 1959-04-07

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