Patents
Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288)
10/1997
10/14/1997US5677892 Unaliased spatial trace interpolation in the f-k domain
10/09/1997WO1997037246A1 Bottom-referenced seismic cable with vertical hydrophone arrays
10/08/1997EP0799455A1 Data compression for seismic signal data
10/08/1997EP0799429A1 Source signature determination and multiple reflection reduction
10/08/1997EP0658252A4 Quality assurance of spatial sampling for dmo.
10/08/1997CN1161456A Acceleration type high sensitivity electromechanical transducer series
10/07/1997US5675551 Apparatus and method for evaluation of score failures in picking of 3-D seismic data
10/07/1997US5673644 Tri-joint coupling
10/07/1997CA2004109C Multiple transmission path seismic telemetering system
10/02/1997WO1997036191A1 A mechanical filter
10/01/1997EP0797780A1 Method for processing reflection seismic traces recorded for variable offsets
10/01/1997EP0609206B1 Borehole digital geophone tool
10/01/1997CN2263797Y Seismic exploration data acquisition station
09/1997
09/30/1997US5673235 Sock shaped internal strength member for towed arrays
09/30/1997US5672825 Method and apparatus for detecting and discriminating objects under the ground
09/30/1997US5672819 Formation evaluation using phase shift periodic pressure pulse testing
09/25/1997DE4212072A1 Detecting and classifying sound waves esp. of vehicles using geophones e.g. for mine detection
09/24/1997EP0797107A2 Object detector and object detector system
09/24/1997EP0796444A1 Method of and apparatus for marine seismic surveying
09/24/1997EP0796443A1 Method for obtaining a representation of the textures of a geological structure
09/24/1997EP0796442A1 Method and apparatus for seismic signal processing and exploration
09/24/1997EP0796441A2 Processing surface-reflected shear-wave signatures from an azimuthally-anisotropic geological formation
09/24/1997EP0796440A1 Method for reducing data storage and transmission requirements for seismic data
09/24/1997EP0796439A1 Reception method with ambiguity removal for a towed linear acoustic antenna
09/24/1997CN2263354Y Electronic sensor for earthquake alarm device
09/24/1997CN2263353Y Middle layer seismic focus demolition bomb
09/23/1997US5671344 Process for displaying N dimensional data in an N-1 dimensional format
09/23/1997US5671136 Process for seismic imaging measurement and evaluation of three-dimensional subterranean common-impedance objects
09/22/1997CA2200273A1 Intrinsically safe data network
09/17/1997EP0795764A2 Inverse vertical seismic profiling
09/16/1997US5668779 Hydrophone group design for shallow towed applications
09/16/1997US5668775 Methods for determining the position of seismic equipment, and applications of the methods
09/12/1997WO1997033184A1 Method for geophysical processing and interpretation using seismic trace difference for analysis and display
09/12/1997WO1997033183A1 Method for geophysical processing and interpretation using instantaneous phase and its derivatives and their derivatives
09/10/1997EP0794617A2 Method for adaptive filtering of well logging data
09/10/1997EP0794414A2 Fiber optic hydrophone having rigid mandrel
09/10/1997EP0793881A1 Communications protocol for well-logging digital telemetry system
09/10/1997EP0793811A1 Acoustic transmitter
09/10/1997CN1159228A Geophone shock absorber
09/09/1997US5666328 Three axis seismic vibrator
09/09/1997US5665909 Free-fall, wire-guided hydrographic profiler
09/08/1997CA2199442A1 Method for adaptive filtering of well logging data
09/03/1997EP0793217A2 Hydrophone cover
09/03/1997EP0793118A2 Pipework position and connection determining apparatus
09/03/1997CN1158426A Seismosensitive element
09/02/1997US5663929 Drilling signal transmission method and system
09/02/1997US5663928 Method for analysing and processing seismic reflection data for the determination of a high resolution spatial velocity field for hyperbolicity correction
09/02/1997US5663927 Buoyed sensor array communications system
09/02/1997US5663501 Method and apparatus for determining seismic vulnerability of a structure
09/02/1997US5662165 Production wells having permanent downhole formation evaluation sensors
09/02/1997CA2044623C Method for reducing noise in drill string signals
09/02/1997CA2034137C Correction for variable water column velocity in seismic data
08/1997
08/27/1997CN1158168A High resolution geophone
08/26/1997US5661698 Method for modelling the spatial distribution of geometric objects in an environment, such as faults in a geologic formation
08/26/1997US5661697 Method and apparatus for detection of sand formations in amplitude-versus-offset seismic surveys
08/26/1997US5661696 Methods and apparatus for determining error in formation parameter determinations
08/21/1997WO1997030361A1 Method for controlling the navigation of a towed linear acoustic antenna, and devices therefor
08/20/1997EP0790506A1 Linear acoustic antenna with device for ambiguity resolution
08/20/1997EP0789849A1 Method for representing the path of one or more boreholes in a spatial and temporal domain
08/20/1997CN2260334Y Multi-function magnetic earth-quake alarming device
08/20/1997CN1157417A Short window norm optimization multi-source multi-component seismic data
08/20/1997CN1035693C Shaped-sweep technology
08/16/1997CA2197703A1 Linear acoustic antenna with disambiguation facility
08/14/1997WO1997029390A1 Seismic reverberation and coupling error removal
08/12/1997US5657294 Short window norm optimization for multi-source multi-component seismic data
08/12/1997US5657223 Method for seismic data processing using depth slice decomposition
08/12/1997CA2045261C Method of layer stripping to predict subsurface stress regimes
08/12/1997CA2045215C Method of layer stripping to determine fault plane stress build-up
08/07/1997WO1997028466A1 Borehole logging system
08/07/1997WO1997028464A1 Sonic data logging system
08/05/1997US5654939 Retrievable volumetric/planar acoustic array apparatus
08/05/1997US5654938 Method for identifying alteration of earth formations using dipole acoustic logging
08/05/1997US5654937 Acoustic element tester for an array of hydrophones
07/1997
07/31/1997WO1997027502A1 A drilling system with an acoustic measurement-while-drilling system for determining parameters of interest and controlling the drilling direction
07/30/1997EP0786671A1 Process for underwater seismic prospection using a hydrophone-geophone sensor pair
07/30/1997EP0786670A1 Procedure for calibration processing of a hydrophone/geophone sensor pair and procedure for seismic prospection implementing this processing
07/30/1997EP0786098A1 Method for deriving reservoir lithology and fluid content from pre-stack inversion of seismic data
07/30/1997EP0585407B1 Apparatus for generating vibrational energy in a borehole
07/30/1997CN2258621Y Earthquake alarm device
07/29/1997US5652735 Acoustic source assembly
07/29/1997US5651444 Coin handling apparatus and methods of determining information regarding moving coins
07/24/1997WO1997026559A1 Method for removing borehole rugosity noise from well log data
07/24/1997WO1997026558A1 Method and apparatus for reducing the effect of rough sea surface conditions on marine seismic sources
07/24/1997WO1997011395A3 Coil support device for an underwater cable
07/23/1997CN2258283Y Multi-functional domestic earthquake alarm
07/23/1997CN2258282Y Geologic structure detecting rocket
07/22/1997US5650981 Multi-vessel timing synchronization method and device
07/17/1997WO1997025632A1 Noise filtering method for seismic data
07/17/1997WO1997025519A1 Trenchless underground boring system with boring tool location
07/17/1997CA2241808A1 Trenchless underground boring system with boring tool location
07/16/1997CN2257929Y Household earthquake precursor
07/16/1997CN2257928Y Underwater earthquake demodulator
07/16/1997CN1154744A Method and apparatus for the transmission of acoustic information as tactile vibration
07/15/1997US5648939 Method of seismic processing
07/15/1997US5648938 Seismic data acquisition
07/15/1997US5648937 Method of operating a computer to correlate a seismic survey
07/09/1997EP0736185B1 Processing 3-D seismic data
07/08/1997US5646380 Drive assembly for acoustic sources
07/08/1997US5646379 Attentuator for borehole acoustic waves
07/08/1997US5646349 Floating mass accelerometer