Patents
Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288)
02/1998
02/12/1998WO1998005981A1 Acoustic isolator for acoustic well logging tool
02/11/1998EP0823060A1 Method of processing seismic data to obtain the travel time curve
02/11/1998EP0733217A4 Hydrophone carrier
02/10/1998US5717655 Method for providing uniform subsurface coverage in the presence of steep dips
02/10/1998US5717170 Swinging-weight vibrator for seismic exploration
02/10/1998US5717169 Method and apparatus for inspecting well bore casing
02/05/1998WO1998004933A1 Seismic reflection data acquisition and processing method and device for prospecting in tectonically complex environments
02/05/1998WO1997050007A3 Method of locating hydrophones
02/05/1998DE19701997A1 Damped pre-amplifier for use with electrodynamic seismic transducer
02/05/1998CA2229988A1 Seismic reflection data acquisition and processing method and device for prospecting in tectonically complex environments
02/03/1998US5715213 High fidelity vibratory source seismic method using a plurality of vibrator sources
01/1998
01/29/1998WO1998003886A1 Physical attribute migration method for a medium
01/29/1998WO1998003885A1 Methods and devices for repairing marine seismic cables
01/29/1998CA2229580A1 Geophysical attribute migration method of a medium
01/28/1998EP0820400A1 Mooring bed assessment apparatus and method
01/27/1998US5712829 Method for determining earth formation shear wave anisotropy parameters by inversion processing of signals from a multiple-component dipole array acoustic well logging instrument
01/27/1998US5712631 Intrinsically safe data network
01/21/1998EP0819951A1 Method and apparatus for detection of diastrophism
01/20/1998US5710377 Ultrasonic leak detection system
01/20/1998US5709497 Latching device
01/14/1998EP0818773A2 Ground penetrating sonar
01/14/1998EP0818738A2 Signal interpolation and decimation exploiting filter symmetry
01/14/1998EP0817979A1 Compact sleeve air gun
01/14/1998CN1170137A Ultrasonic device in particular for detecting presence of foreign bodies on surface of window
01/06/1998US5706250 Seismic transmission method and system utilizing concentration units
01/06/1998US5706194 Program storage device
12/1997
12/31/1997WO1997050007A2 Method of locating hydrophones
12/30/1997US5703835 System for effective control of urban environment security
12/30/1997US5703833 One step inversion/separation scheme using a plurality of vibrator sources
12/29/1997EP0813725A1 Earthquake sensor
12/24/1997WO1997048989A1 Tool
12/24/1997WO1997048967A1 Tool for placing an explosive cartridge under the soil surface
12/18/1997WO1997047989A1 Sampling and reconstruction of propagating wavefields
12/18/1997CA2258086A1 Sampling and reconstruction of propagating wavefields
12/17/1997EP0812429A1 Method for identifying subsurface fluid migrational pathways using 3-d and 4-d seismic imaging
12/10/1997EP0811302A1 Self-centering dual shuttle air gun
12/10/1997CN1036682C Migration velocity analysis using limited aperture migration
12/09/1997US5696738 Underwater sensing device for ocean floor contact
12/09/1997US5696735 Seismic migration using offset checkshot data
12/09/1997US5696734 Method and system for eliminating ghost reflections from ocean bottom cable seismic survey signals
12/09/1997US5696733 Method for verifying the location of an array of sensors
12/04/1997WO1997045756A1 Buoyancy adjustment
12/03/1997EP0810132A1 Ultrasonic detection device for detecting foreign bodies on the surface of glass
12/03/1997EP0809922A1 Occupancy sensor and method of operating same
12/02/1997US5694129 Method of imminent earthquake prediction by observation of electromagnetic field and system for carrying out the same
12/02/1997US5693885 Sampling and reconstruction of propagating wavefields
12/02/1997US5692918 Two-piece universal cable-connector adapter
11/1997
11/27/1997WO1997044751A1 Presentation and interpretation of seismic data
11/27/1997WO1997044685A1 Method for attenuation of reverberations using a pressure-velocity bottom cable
11/27/1997CA2255806A1 Presentation and interpretation of seismic data
11/26/1997EP0809122A1 Computation of Q-derived static corrections from seismic data
11/26/1997EP0808467A1 Automatic seismic pattern recognition method
11/26/1997EP0808466A1 Method for making a linear acoustic antenna
11/26/1997CN1166207A Method and appts. for seismic signal processing and exploration
11/26/1997CN1165956A Transducer for sonic logging-while-drilling
11/25/1997US5691958 Method for determining formation properties from seismic attributes
11/25/1997US5691957 Ocean acoustic tomography
11/21/1997CA2205426A1 Method for measuring the water thickness above a bottom cable
11/19/1997CN1165563A Method for obtaining a representation of the texture of a geological structure
11/19/1997CN1165562A Automatic seismic pattern recognition method
11/19/1997CN1165561A Reflection shear-wave seismic method
11/18/1997CA2070562C Method of geophysical exploration by analyzing shear-wave polarization directions
11/13/1997WO1997042526A1 A method of and apparatus for determining the quality of seismic data
11/13/1997WO1997042525A1 Three-dimensional seismic acquisition
11/12/1997EP0806639A1 Calibration and control method for an object detection apparatus using ultrasound in air
11/12/1997CN1164651A Seislog multiple information reservoir parameter inversion method
11/11/1997US5687138 Methods of analyzing stoneley waveforms and characterizing underground formations
11/06/1997WO1997041456A1 Method for inverting reflection trace data from 3-d and 4-d seismic surveys
11/06/1997WO1997041455A1 Method for charting drillable zones in an oilfield avoiding anomaly zones
11/06/1997WO1997041454A1 Acoustic source ii
11/06/1997WO1997041453A1 Acoustic source i
11/06/1997WO1997019370A3 Method of determining, displaying and using the relative changes of elastic modulus and density of underground rock
11/06/1997CA2251749A1 Method for inverting reflection trace data from 3-d and 4-d seismic surveys
11/04/1997USH1693 Method for removing non-geologic amplitude variations from seismic data
11/04/1997US5684754 Method and system for correcting seismic traces for normal move-out stretch effects
11/04/1997US5684693 Method for bit-stream data compression
11/04/1997US5684249 Ground vibration properties detection method and equipment thereof
11/04/1997US5683115 Weak link for a seismic streamer cable connector module
11/04/1997US5682834 Earthquake alarm
10/1997
10/30/1997WO1997040406A1 Method for the determination of migration velocities in seismic processing
10/30/1997DE19713754A1 Modular borehole measurement probe obviating collection and storage of specialised, expensive and inflexible probes
10/30/1997CA2224868A1 Method for the determination of migration velocities in seismic processing
10/29/1997CN2266138Y Civil Seism automatic alarm device
10/29/1997CN1036301C Acceleration responsive switch and its making method
10/29/1997CN1036294C Seismic signal transmission method and system utilizing concentrating units
10/28/1997US5682359 Hydrophone retrieval mechanism and system
10/28/1997US5682357 Method for ocean bottom surveys
10/28/1997US5681982 For determining undrained shear strength of seafloor sediments
10/28/1997US5680906 Method for real time location of deep boreholes while drilling
10/23/1997WO1997039367A1 Method and apparatus for seismic signal processing and exploration
10/23/1997WO1997039366A1 Method for locating and identifying site anomalies
10/23/1997WO1997038803A1 Water hammer driven cavitation chamber
10/23/1997WO1997038775A1 Apparatus for degassing liquids
10/22/1997CN2265546Y Earthquake alarm instrument
10/21/1997US5678643 Acoustic logging while drilling tool to determine bed boundaries
10/16/1997WO1997038330A1 3-d geologic modelling
10/15/1997EP0800656A1 Acoustic emission method for sonars
10/15/1997EP0623221B1 Method and device for the detection of structural changes in solid bodies
10/15/1997EP0615628B1 Seismic energy source
10/14/1997US5677893 Method of processing seismic data