Patents
Sitemap › G01 - Measuring; Testing › G01V - Geophysics; Gravitational measurements; Detecting masses or objects; Tags › G01V 1 - Seismology; Seismic or acoustic prospecting or detecting
Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288)
10/1989
10/05/1989DE3809349A1 Protective container for a hydrophone
10/04/1989EP0335450A2 A method for processing seismic data
10/04/1989CN1036081A Improved device for generating acoustic waves by causing falling mass to strike target element coupled with walls of well
10/03/1989US4872144 Endfire seismic receiver and method of use
10/03/1989US4872114 Method of processing excitation response of a shaker disposed within a tool to obtain an equalized seismic signal
10/03/1989US4871045 Telescoping tube omni-directional shear wave vibrator
09/1989
09/28/1989DE3906678A1 Accelerometer
09/28/1989DE3905416A1 Verfahren und vorrichtung zur umsetzung von rohrwellen in koerperwellen, zur seismischen exploration Method and device for implementation of tube waves in koerperwellen, seismic exploration
09/27/1989EP0334752A1 Improved apparatus for generation of acoustic waves by a percussion mass hitting a plate connected to the borehole wall
09/26/1989US4870627 Method and apparatus for detecting and evaluating borehole wall fractures
09/26/1989US4870626 Method for determining the position of a marine seismic receiver cable
09/26/1989US4870625 Marine shear-wave detection system using single mode reflection boundary conversion technique
09/26/1989US4870624 Procedure for seismic surveying
09/26/1989US4870580 Compressional/shear wave separation in vertical seismic profiling
09/26/1989US4869349 Flexcompressional acoustic transducer
09/26/1989US4869338 Method for measuring acoustic impedance and dissipation of medium surrounding a borehole
09/26/1989CA1261459A1 Acoustic logging device
09/26/1989CA1261458A1 Sonic logging system
09/26/1989CA1261457A1 Method for moveout correction and stacking velocity estimation of offset vertical seismic profile data
09/26/1989CA1261456A1 Hydraulic pressure propulsed device for use in deviated well drilling
09/26/1989CA1261055A1 Marine seismic exploration process by means of a coded vibratory signal,and device used for said process
09/26/1989CA1261054A1 Acoustic borehole logging tool
09/26/1989CA1261052A1 Improved ground coupling process for terrestrial seismic sources
09/26/1989CA1260772A1 Streamer interface adapter cable mounted leveler
09/26/1989CA1260616A1 Device for the amplification and sampling of deplexed analog signals
09/26/1989CA1260131A1 Noise suppression during seismic exploration
09/20/1989EP0333363A2 Telescoping actuator for impulsive seismic source
09/20/1989CN1035735A Method and device for monitoring operation of movable components
09/19/1989US4868795 Power leveling telemetry system
09/19/1989US4868794 Method of accumulation data for use in determining the signatures of arrays of marine seismic sources
09/19/1989US4868793 Shared sub-array marine seismic source system
09/19/1989US4867266 Seismic energy source
09/19/1989US4867264 Apparatus and method for investigating wellbores and the like
09/19/1989US4867096 Tubular shear wave source
09/13/1989EP0331827A1 Three-component three-dimensional seismic data acquisition
09/12/1989US4866679 Method for identifying anomalous noise amplitudes in seismic data
09/12/1989US4866659 Method for selection of mining and drilling sites using synthesized three dimensional seismic data
09/12/1989US4866607 Self-contained downhole gauge system
09/12/1989CA1259399A1 Method of migrating seismic data
09/12/1989CA1259398A1 Seismic impulse source transducer
09/08/1989WO1989008270A1 Improvements in or relating to arrays of filamentary form
09/06/1989EP0331585A2 Method for deconvolution of unknown source signatures from unknown waveform data
09/06/1989EP0331428A2 Method and apparatus for generating seismic waves
09/06/1989EP0330784A2 Seismic streamer communication system
09/06/1989CN1035360A Marine seismic data acquisition system and method
09/06/1989CN1035359A Horizon velocity analysis
09/05/1989US4864545 Process for the detection of heterogeneities and/or for the determination of petrophysical characteristics of geological strata of a medium to be explored
09/05/1989US4862991 Sonic well logging tool transmitter
09/05/1989US4862990 Downhole seismic sources
09/05/1989CA1259125A1 Sign bit optical geophone
09/05/1989CA1259124A1 Sign bit optical-electrical geophone
09/05/1989CA1259123A1 Surface processing and display of borehole televiewer signals
08/1989
08/30/1989CN1035182A Semi-sequential transmission method and system for transmitting seismic signals
08/29/1989US4862428 Distributed array hydrophone
08/29/1989US4862425 Device for acquiring seismic data in a borehole and transmission thereof to a central control and recording system
08/29/1989US4862423 System for reducing drill string multiples in field signals
08/29/1989US4862422 Method for determining the geometry of a multisource seismic wave emission device
08/29/1989US4862115 Optical beamformers
08/24/1989WO1989007774A1 Method for vertical-seismic profiling in wells
08/23/1989EP0329546A1 Semi-sequential transmission method and system using a plurality of radio transmission frequencies simultaneously for linking a seismic reception arrangement to a central processing unit
08/23/1989CN1035002A Dividing method for vertical earthquake section
08/22/1989US4860265 Seismic trace restoration using F-K filtering
08/22/1989US4860264 Arrangement for carrying out seismic prospection of the sea bed
08/22/1989US4858718 Tube-wave attenuation method, system and apparatus for use with an inpulsive seismic energy source in liquid-containing wells
08/16/1989EP0327758A2 Process for separating upgoing and downgoing events on vertical seismic profiles
08/16/1989EP0292541A4 Seismic processing and imaging with a drill-bit source.
08/15/1989US4858205 Multi-barrel air gun module
08/15/1989US4858202 Method for estimating shear wave reflection data from acquired compressional wave reflection data
08/15/1989US4858201 Method for estimating shear wave reflection data from acquired compressional wave reflection data
08/15/1989US4858200 Method for determining the presence of hydrocarbons in subsurface geological formations by comparative assessment of compressional and shear wave reflection data
08/15/1989US4858199 Method and apparatus for cancelling nonstationary sinusoidal noise from seismic data
08/15/1989US4858198 Determination of formation permeability from an acoustic log
08/15/1989US4858130 Estimation of hydraulic fracture geometry from pumping pressure measurements
08/15/1989US4856614 Process and device for seismic prospecting of a medium with induced waves created artificially in a bore-hole
08/15/1989CA1258516A1 Adaptive seismometer group recorder having enhanced operating capabilities
08/08/1989US4855967 Seismic vibrator hold-down weight monitor/controller
08/08/1989US4855965 Time ramped gain for borehole televiewer
08/08/1989US4855963 Shear wave logging using acoustic multipole devices
08/08/1989US4855962 Method and system for locating and correcting the orientation of an autonomous mobile object and a non-autonomous mobile object
08/02/1989EP0326476A1 Fibre-optical hydrophone, and antenna comprising a series of hydrophones
08/02/1989CN1034435A Downhole orbital seismic source
08/01/1989USRE33004 Apparatus and method for selectively activating plural electrical loads at predetermined relative times
08/01/1989US4853907 Inclinable vibratory seismic source
08/01/1989US4853906 Apparatus for generating elliptically polarized shear waves
08/01/1989US4853905 Seal for marine seismic source
08/01/1989US4853903 Method and apparatus for removing sinusoidal noise from seismic data
08/01/1989US4853902 Predictive noise filtering of multi-component seismic data
08/01/1989CA1258117A1 Internal bubble suppression
07/1989
07/27/1989DE3900223A1 Pflanzenprofil-sensor Plant profile sensor
07/26/1989EP0325521A1 Automatic balancing device for a centrifuge in operation
07/26/1989EP0325499A1 Acquisition device for digitizing high dynamic signals
07/26/1989EP0325386A1 A drop detector
07/26/1989EP0325029A2 Dowhole orbital seismic source
07/26/1989EP0324785A1 Atmospheric variable compensation for an automated inspection system
07/25/1989USRE32995 Variable cylinder hydraulic vibrator and control system
07/25/1989US4852071 Air supply valve for seismic air gun
07/25/1989US4852069 Thin bed evaluation device
07/25/1989US4852068 Seismic signal velocity filtering
07/25/1989US4852067 Low frequency sonic logging
07/25/1989US4852052 Kelly-to-riser position determining system with adjustment for uncompensated heave
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